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Subject: New: Lower GPT-5.6 pricing and Fast mode for Sol
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Today,=EF=BB=BF we=E2=80=99re making GPT-5=EF=BB=BF.6 more affordable and f=
aster=EF=BB=BF.
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Logo ( http://url3243.email.openai.com/ls/click?upn=3Du001.GyApCCuCEL-2BZgy=
Wl1glfWAtSbaNBdL-2BYAuI-2BAqS-2FGC2HRgyeZggfKxpVq7OnKL0TjBQ8Hei-2BC6uiGXJls=
th-2BXswrHZ3at5y3fkEjq-2FJBqdaUsC-2Fs4pidlaUnPtOkK-2BZ-2BR2yVzcWKqNoXKfvhYU=
GDVqnPQkjVxdrzK9hjHOGm0-2Bw-3DlZ62_49kUSkg6aCVOJiN3eqMATybncpTVfcA0ME1yvhSN=
jgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgqcHHAN3h5P=
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PPDMpT4nlZmC76uzD-2Fp1-2BodVX4ugqHbSMb5kZOjeI9EfyVYdXNuaDySFdUxgP1gbe0USaNA=
CerUC4Q-3D-3D )

Today, we=E2=80=99re making GPT-5.6 more affordable and faster. GPT-5.6 Lun=
a now costs 80% less, GPT-5.6 Terra costs 20% less, and Fast mode gives API=
 customers an option for faster access to GPT-5.6 Sol.

Read the announcement ( http://url3243.email.openai.com/ls/click?upn=3Du001=
.GyApCCuCEL-2BZgyWl1glfWCtz7LLnf5-2BGekc3d3musQxbbJZhn2D21XN7lieUBOTr6TRO6a=
2iacYRNwbRkxswJh9gK2HKhqFpAJJIThw3I4S5yPJOW9UtNQd04M49yi4saG-d_49kUSkg6aCVO=
JiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9=
YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQX=
DycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeWopIYFQ7SZHoQk1Hyu=
RjyF7MSdKsNzBaAayQWYzp3s44QnSyyV92XhbREZ8QjnuwKMxgw4mUwUB9-2FGkoFrY9H0F4kHq=
-2BInOAjesXLc9gryNMAefgUG6TEW6OfQXdLSENmzquaAhB6D5LEfqI9pRkt1eOg7FmwW24Nh87=
zIe7C2P9Bkgs2zpHqFvFu7-2BjX7upA-3D-3D )

*GPT-5.6 Luna is now 80% less expensive*

Luna is our fastest and most affordable model, built to use tools and compl=
ete multi-step workflows at scale. It delivers performance comparable to mo=
dels that were frontier-class a year ago at roughly 6 cents on the dollar p=
er task, and at nearly 9 times the speed.

Luna now costs $0.20 per million input tokens and $1.20 per million output =
tokens.

Try GPT-5.6 Luna ( http://url3243.email.openai.com/ls/click?upn=3Du001.GyAp=
CCuCEL-2BZgyWl1glfWOBaunxKVIa8HlKwEjEx6X-2B2FFee5qn7oZ-2F7JRXpS9UfWnrCzZRJ5=
Y1XjBYlFbuNrUlLhNyOYiQU1HKH-2BVvxcKc-3DHJyT_49kUSkg6aCVOJiN3eqMATybncpTVfcA=
0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgq=
cHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZH39E2NfevAFxZ=
fsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeWopIYFQ7SZHoQk1HyuRjyHRqCvK4OjdqBVOCe=
U-2FsFX-2FlvJfff3IlWLWT8J8BCW8HBgZobGkXjGjkdnrjZ0MQwHHNcl7C79IoFKIoQOad484Q=
4RkZjCWP7fGHDQzSg4e3IoiGExWAcgQGEjay-2FszwWq-2BruTlLWYUJO-2BMiXl8bmSozoaMkg=
tPissn-2BuDfEIwSzw-3D-3D )

*GPT-5.6 Terra is now 20% less expensive*

Terra, our balanced model for everyday work, now costs $2 per million input=
 tokens and $12 per million output tokens. It balances intelligence, speed,=
 and cost to make everyday production work more economical. If you currentl=
y default to Sol for work that doesn=E2=80=99t require maximum intelligence=
, consider evaluating Terra.

Try GPT-5.6 Terra ( http://url3243.email.openai.com/ls/click?upn=3Du001.GyA=
pCCuCEL-2BZgyWl1glfWOBaunxKVIa8HlKwEjEx6X-2B2FFee5qn7oZ-2F7JRXpS9UfQB0dzn-2=
BRni5szmZe3aHd5vx9g1MrYyGDcXkBg0tTVRE-3DpPjb_49kUSkg6aCVOJiN3eqMATybncpTVfc=
A0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlg=
qcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZH39E2NfevAFx=
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aB7p61O1hZadaFIQboG6rxykUR3CXJUryk926Bt-2Fio6cKZhc0Ut-2F0pCNJFPqOS5iIrzwdJV=
MOrAkU3bwf3t0-2FA-3D-3D )

*Fast mode for GPT 5.6 Sol: Up to 2.5x faster responses*

We=E2=80=99re also introducing Fast mode in the API, which replaces our Pri=
ority Processing offering. For GPT=E2=80=915.6 Sol, Fast mode now delivers =
up to 2.5=C3=97 faster speeds than Standard processing at twice the price, =
with no change in intelligence. Fast mode is backward compatible: requests =
tagged `priority` will automatically use Fast mode. For new requests, pass =
`service_tier=3D"fast"`.

Learn more about Fast mode ( http://url3243.email.openai.com/ls/click?upn=
=3Du001.GyApCCuCEL-2BZgyWl1glfWP2GawfM7ZRC8k3tFwO5MOMLu7zYjmHeq0yVRzapF8oRp=
S6W_49kUSkg6aCVOJiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8=
cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG=
53F9bmtEcYmiXlQXDycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeWo=
pIYFQ7SZHoQk1HyuRjyFT5qnJGo7mfDaPcQCuN2NUDBtoy1JOV-2FrVAHWtiAefJQbV1AqDMDBB=
mix-2FkS0fYX9gtY5Wmye8JHcMFcMAw8tG2ZM770Gm980e9ngybGyQWCNi-2BokbV4rbQpiHKma=
4QphlI48HpTffjgW0e1wbEYBxtSBRmEzl0T-2BeBcCATTw5xw-3D-3D )

Making advanced intelligence more abundant, affordable, and useful is centr=
al to our mission.

Together, the GPT-5.6 family gives you a clear model for every job: Sol for=
 the hardest problems, Terra for everyday production work, Luna for high-vo=
lume workflows.

With today=E2=80=99s updates, more workloads are now practical to run at sc=
ale, opening up new possibilities for what you can build.

Read the announcement ( http://url3243.email.openai.com/ls/click?upn=3Du001=
.GyApCCuCEL-2BZgyWl1glfWCtz7LLnf5-2BGekc3d3musQxbbJZhn2D21XN7lieUBOTr6TRO6a=
2iacYRNwbRkxswJh9gK2HKhqFpAJJIThw3I4S5yPJOW9UtNQd04M49yi4sZ7dx_49kUSkg6aCVO=
JiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9=
YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQX=
DycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeWopIYFQ7SZHoQk1Hyu=
RjyEts0-2FX0bwM-2B0MCMxfXpU4szR40CMkTY2tjOa0ppOGMpskDuZnFsra-2F4F-2FAuxbvbk=
dkn9uzp1alW842t65zi-2FWSidRVfcXhk8A2NYyR5k5vXqX1z2d-2BBeb3wVlEWjt0gat7pi-2F=
aMBcPEDXI6-2FIAK8sC8gP3ueNnfQwktjOE2J2G6Q-3D-3D )

View updated API pricing ( http://url3243.email.openai.com/ls/click?upn=3Du=
001.GyApCCuCEL-2BZgyWl1glfWOBaunxKVIa8HlKwEjEx6X-2B2FFee5qn7oZ-2F7JRXpS9Ufi=
sbLkQtvGK9S6v4XSh7hTQ-3D-3D41nf_49kUSkg6aCVOJiN3eqMATybncpTVfcA0ME1yvhSNjgB=
8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgqcHHAN3h5P1Kv=
gpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZH39E2NfevAFxZfsvAVgthcaHe=
7qHI64iIvWhmwxcDMrBGtyqjDeWopIYFQ7SZHoQk1HyuRjyGeExy-2Bq9kDXoPvOiWelBHnJoZw=
sYXJ817KbybVZMBdMHhoRdArd92ZxlYOkolRhWcJdt0jC0U3tB-2FaNMWOkyyi9y5tLdWzstXms=
WLHCYhPRFY92ycC-2Ftk0Z4hS-2BdCIpwx6pC-2BszkTucPuBmmDaxeDjGiWUEp-2FL0yFFf5te=
TTykRQ-3D-3D )

Thank you for building with OpenAI,

=E2=80=94The OpenAI Team

Logo ( http://url3243.email.openai.com/ls/click?upn=3Du001.GyApCCuCEL-2BZgy=
Wl1glfWAtSbaNBdL-2BYAuI-2BAqS-2FGC2HRgyeZggfKxpVq7OnKL0TjBQ8Hei-2BC6uiGXJls=
th-2BXswrHZ3at5y3fkEjq-2FJBqdaUsC-2Fs4pidlaUnPtOkK-2BZ-2BR2yVzcWKqNoXKfvhYU=
GDVqnPQkjVxdrzK9hjHOGm0-2Bw-3Dqr3d_49kUSkg6aCVOJiN3eqMATybncpTVfcA0ME1yvhSN=
jgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgqcHHAN3h5P=
1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZH39E2NfevAFxZfsvAVgthc=
aHe7qHI64iIvWhmwxcDMrBGtyqjDeWopIYFQ7SZHoQk1HyuRjyHtiYtdrBUaGmt3MtUbNE4gRZ5=
qs4qVnkdGDJ0ZR7JVJQZtruOxsFmjBGAWU0cvNuSaNn-2FjcnyNopnbhdCrHTmoiZMsPWH6Ju41=
djpymEVv-2BmwiImQVptJ9wmn6MakcO3lr3vHfsDOcjvnuBzY7529K-2BFTjTVrP4EZJ3BdwtjJ=
SIA-3D-3D )

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=3D"0" cellspacing=3D"0"><tr><td style=3D"vertical-align:middle;width:260px=
;" ><![endif]--><div class=3D"mj-column-per-50 mj-outlook-group-fix" style=
=3D"font-size:0px;text-align:left;direction:ltr;display:inline-block;vertic=
al-align:middle;width:50%;"><table border=3D"0" cellpadding=3D"0" cellspaci=
ng=3D"0" role=3D"presentation" style=3D"border-radius:0px;vertical-align:mi=
ddle;" width=3D"100%"><tr><td class=3D"img-container" style=3D"font-size:0p=
x;padding:0px;word-break:break-word;text-align:left;"><div style=3D"margin:=
0 auto 0 0;max-width:90px;"><a href=3D"http://url3243.email.openai.com/ls/c=
lick?upn=3Du001.GyApCCuCEL-2BZgyWl1glfWAtSbaNBdL-2BYAuI-2BAqS-2FGC2HRgyeZgg=
fKxpVq7OnKL0TjBQ8Hei-2BC6uiGXJlsth-2BXswrHZ3at5y3fkEjq-2FJBqdaUsC-2Fs4pidla=
UnPtOkK-2BZ-2BR2yVzcWKqNoXKfvhYUGDVqnPQkjVxdrzK9hjHOGm0-2Bw-3Der5X_49kUSkg6=
aCVOJiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xR=
u4m9YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmi=
XlQXDycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeUqBD9cTDI8qniB=
FdK-2BY6D8a-2FCZ9kR4YS31J7SqG5g1Ef5k-2BCrrKWmiXppraeZO71yXd5uE526YpKPh3XvJ6=
eaYdt0EIE-2FNPudx3nEeQ7jcMCLtez8jt54bgOQNyorX4j-2Bc-2BUyEx0SNFnUKUzm1QnVkiG=
jVHOSByPQ9k4uvHl06GGw0ZR22vcINjFiSq1Vc0Iw-3D-3D" target=3D"_blank" style=3D=
"text-decoration: none; color: #000000;"><img alt=3D"Logo" height=3D"auto" =
width=3D"90" src=3D"https://go.openai.com/rs/504-SWE-347/images/logo-openAI=
-black.png" style=3D"border:none;outline:none;text-decoration:none;height:a=
uto;width:100%;font-size:13px;display:block;"></a></div></td></tr></table><=
/div><!--[if mso | IE]></td><td style=3D"vertical-align:middle;width:260px;=
" ><![endif]--><div class=3D"mj-column-per-50 mj-outlook-group-fix" style=
=3D"font-size:0px;text-align:left;direction:ltr;display:inline-block;vertic=
al-align:middle;width:50%;"><table border=3D"0" cellpadding=3D"0" cellspaci=
ng=3D"0" role=3D"presentation" style=3D"border-radius:0px;vertical-align:mi=
ddle;" width=3D"100%"></table></div><!--[if mso | IE]></td></tr></table><![=
endif]--></div><!--[if mso | IE]></td></tr></table><![endif]--></td></tr></=
table></div><!--[if mso | IE]></td></tr></table><![endif]--></div></td></tr=
></table><table align=3D"center" border=3D"0" cellpadding=3D"0" cellspacing=
=3D"0" role=3D"presentation" style=3D"width:100%;" class=3D"section"><tr><t=
d align=3D"center"><div role=3D"none"><!--[if mso | IE]><table align=3D"cen=
ter" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" class=3D"block-grid-o=
utlook" style=3D"width:600px;" width=3D"600" ><tr><td style=3D"line-height:=
0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]--><div style=3D"=
background:#FFFFFF;background-color:#FFFFFF;margin:0 auto;max-width:600px;"=
><table align=3D"center" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" r=
ole=3D"presentation" style=3D"background-color:#FFFFFF;width:100%;"><tr><td=
 style=3D"font-size:0px;padding:0px 16px 20px 16px;text-align:center;vertic=
al-align:top;mso-padding-alt:0px 40px 24px 40px;" class=3D"block-grid paddi=
ng-0px-40px-24px-40px"><!--[if mso | IE]><table role=3D"presentation" borde=
r=3D"0" cellpadding=3D"0" cellspacing=3D"0"><tr><td style=3D"vertical-align=
:top;width:520px;" ><![endif]--><div class=3D"mj-column-per-100 mj-outlook-=
group-fix" style=3D"font-size:0px;text-align:left;direction:ltr;display:inl=
ine-block;vertical-align:top;width:100%;"><table border=3D"0" cellpadding=
=3D"0" cellspacing=3D"0" role=3D"presentation" style=3D"border-radius:0px;v=
ertical-align:top;" width=3D"100%"><tr><td class=3D"text-container" style=
=3D"font-size:0px;padding:8px 0px 8px 0px;word-break:break-word;text-align:=
left;"><div class=3D"links-000000-underline-bold"><div style=3D"font-family=
:'OpenAI Sans', Arial, sans-serif;font-size:16px;font-weight:normal;letter-=
spacing:none;line-height:1.20;text-align:left;mso-line-height-alt:1.188em;c=
olor:#000000;"><p style=3D"margin: 0;"><span style=3D"font-family: 'OpenAI =
Sans', Arial, sans-serif;">Today, we=E2=80=99re making GPT-5.6 more afforda=
ble and faster. GPT-5.6 Luna now costs 80% less, GPT-5.6 Terra costs 20% le=
ss, and Fast mode gives API customers an option for faster access to GPT-5.=
6 Sol.</span></p><p style=3D"margin: 0;">&nbsp;</p></div></div></td></tr><t=
r><td valign=3D"middle" class=3D"button-container" style=3D"font-size:0px;p=
adding:0px;word-break:break-word;text-align:center;"><table border=3D"0" ce=
llpadding=3D"0" cellspacing=3D"0" role=3D"presentation" style=3D"border-col=
lapse:separate;line-height:100%;margin:0 auto;"><tr><td align=3D"center" bg=
color=3D"#000000" role=3D"presentation" style=3D"border:none;border-bottom:=
1px solid #FFFFFF;border-left:1px solid #FFFFFF;border-radius:40px;border-r=
ight:1px solid #FFFFFF;border-top:1px solid #FFFFFF;cursor:auto;mso-padding=
-alt:12px 20px 12px 20px;text-align:center;background:#000000;" valign=3D"m=
iddle"><a href=3D"http://url3243.email.openai.com/ls/click?upn=3Du001.GyApC=
CuCEL-2BZgyWl1glfWCtz7LLnf5-2BGekc3d3musQxbbJZhn2D21XN7lieUBOTr6TRO6a2iacYR=
NwbRkxswJh9gK2HKhqFpAJJIThw3I4S5yPJOW9UtNQd04M49yi4sG0Kw_49kUSkg6aCVOJiN3eq=
MATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM6=
4YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZ=
H39E2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeUqBD9cTDI8qniBFdK-2BY6D-=
2BZfbjuLIA4pYq17yGJYYK6TuKBG3HksZXXisrMW7NAeNm1fFMQpfp-2FbjaUUfq8RiGkJebv-2=
B-2FD83yCg178u5MtBXF8HW9z2UJsFjIrgzdRYA-2BzAW2Y-2FETUzgs-2B1CuDqta6Uc5DXdkY=
7lEL1a9-2FoH8TtyR5mHgQn6pfbmkj6Uiny6g-3D-3D" style=3D"display: block; backg=
round: #000000; color: #FFFFFF; font-family: Arial, sans-serif; font-size: =
15px; font-weight: normal; line-height: 1.2; margin: 0; text-decoration: no=
ne; text-transform: none; padding: 12px 20px 12px 20px; mso-padding-alt: 0p=
x; border-radius: 40px;" target=3D"_blank"><span style=3D"font-family: 'Ope=
nAI Sans', Arial, sans-serif;">Read the announcement</span></a></td></tr></=
table></td></tr></table></div><!--[if mso | IE]></td></tr></table><![endif]=
--></td></tr></table></div><!--[if mso | IE]></td></tr></table><![endif]-->=
</div></td></tr></table><table align=3D"center" border=3D"0" cellpadding=3D=
"0" cellspacing=3D"0" role=3D"presentation" style=3D"width:100%;" class=3D"=
section"><tr><td align=3D"center"><div role=3D"none"><!--[if mso | IE]><tab=
le align=3D"center" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" class=
=3D"block-grid-outlook" style=3D"width:600px;" width=3D"600" ><tr><td style=
=3D"line-height:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]-=
-><div style=3D"background:#FFFFFF;background-color:#FFFFFF;margin:0 auto;m=
ax-width:600px;"><table align=3D"center" border=3D"0" cellpadding=3D"0" cel=
lspacing=3D"0" role=3D"presentation" style=3D"background-color:#FFFFFF;widt=
h:100%;"><tr><td style=3D"font-size:0px;padding:0px 16px 20px 16px;text-ali=
gn:center;vertical-align:top;mso-padding-alt:0px 40px 24px 40px;" class=3D"=
block-grid padding-0px-40px-24px-40px"><!--[if mso | IE]><table role=3D"pre=
sentation" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"><tr><td style=
=3D"vertical-align:top;width:520px;" ><![endif]--><div class=3D"mj-column-p=
er-100 mj-outlook-group-fix" style=3D"font-size:0px;text-align:left;directi=
on:ltr;display:inline-block;vertical-align:top;width:100%;"><table border=
=3D"0" cellpadding=3D"0" cellspacing=3D"0" role=3D"presentation" style=3D"b=
order-radius:0px;vertical-align:top;" width=3D"100%"><tr><td class=3D"text-=
container" style=3D"font-size:0px;padding:8px 0px 8px 0px;word-break:break-=
word;text-align:left;"><div class=3D"links-000000-underline-bold"><div styl=
e=3D"font-family:'OpenAI Sans', Arial, sans-serif;font-size:16px;font-weigh=
t:normal;letter-spacing:none;line-height:1.20;text-align:left;mso-line-heig=
ht-alt:1.188em;color:#000000;"><p style=3D"margin: 0;"><span style=3D"font-=
family: 'OpenAI Sans', Arial, sans-serif;"><strong>GPT-5.6 Luna is now 80% =
less expensive</strong></span></p><p style=3D"margin: 0;">&nbsp;</p><p styl=
e=3D"margin: 0;"><span style=3D"font-family: 'OpenAI Sans', Arial, sans-ser=
if;">Luna is our fastest and most affordable model, built to use tools and =
complete multi-step workflows at scale. It delivers performance comparable =
to models that were frontier-class a year ago at roughly 6 cents on the dol=
lar per task, and at nearly 9 times the speed.</span></p><p style=3D"margin=
: 0;">&nbsp;</p><p style=3D"margin: 0;"><span style=3D"font-family: 'OpenAI=
 Sans', Arial, sans-serif;">Luna now costs $0.20 per million input tokens a=
nd $1.20 per million output tokens.</span></p><p style=3D"margin: 0;">&nbsp=
;</p><p style=3D"margin: 0;"><span style=3D"font-family: 'OpenAI Sans', Ari=
al, sans-serif;"><a href=3D"http://url3243.email.openai.com/ls/click?upn=3D=
u001.GyApCCuCEL-2BZgyWl1glfWOBaunxKVIa8HlKwEjEx6X-2B2FFee5qn7oZ-2F7JRXpS9Uf=
WnrCzZRJ5Y1XjBYlFbuNrUlLhNyOYiQU1HKH-2BVvxcKc-3Dfnj7_49kUSkg6aCVOJiN3eqMATy=
bncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64Yzt=
fGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZH39E=
2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeUqBD9cTDI8qniBFdK-2BY6D8X09x=
XFKgOVRcgxD87-2F1t18wcqXBVYop03jRBcDcuO2akwJBikSohCddZf-2Fg8rPRxEhPgfCZ18xg=
PFY6BH51mKuYIdqjWkRg6q2iiPUdtxOoud-2FDaV1ps2F-2BTFgn5jy-2FN1WCSrGWROM55BCBc=
7ovr0rAMV4WbOGHO0JpF3LJnUsQ-3D-3D" target=3D"_blank" rel=3D"noopener" style=
=3D"color: rgb(0, 0, 0); text-decoration: underline; font-weight: 700;">Try=
 GPT-5.6 Luna</a></span></p><p style=3D"margin: 0;">&nbsp;</p></div></div><=
/td></tr><tr><td class=3D"img-container" style=3D"font-size:0px;padding:0px=
;word-break:break-word;text-align:center;"><div style=3D"margin:0 auto;max-=
width:520px;" class=3D"img-full-width"><img alt=3D"GPT-5.6 Luna delivers fr=
ontier-level intelligence at a fraction of the cost of similarly capable mo=
dels." height=3D"auto" width=3D"520" src=3D"https://client-data.knak.io/pro=
duction/email_assets/688b6df4a8798/versions/Hm8DYhizFbT5djnBvnxG.png?utm_so=
urce=3Demail:6a6b882b5caf8" style=3D"border:none;outline:none;text-decorati=
on:none;height:auto;width:100%;font-size:13px;display:block;"></div></td></=
tr></table></div><!--[if mso | IE]></td></tr></table><![endif]--></td></tr>=
</table></div><!--[if mso | IE]></td></tr></table><![endif]--></div></td></=
tr></table><table align=3D"center" border=3D"0" cellpadding=3D"0" cellspaci=
ng=3D"0" role=3D"presentation" style=3D"width:100%;" class=3D"section"><tr>=
<td align=3D"center"><div role=3D"none"><!--[if mso | IE]><table align=3D"c=
enter" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" class=3D"block-grid=
-outlook" style=3D"width:600px;" width=3D"600" ><tr><td style=3D"line-heigh=
t:0px;font-size:0px;mso-line-height-rule:exactly;"><![endif]--><div style=
=3D"background:#FFFFFF;background-color:#FFFFFF;margin:0 auto;max-width:600=
px;"><table align=3D"center" border=3D"0" cellpadding=3D"0" cellspacing=3D"=
0" role=3D"presentation" style=3D"background-color:#FFFFFF;width:100%;"><tr=
><td style=3D"border-top:1px solid #E7EFFF;font-size:0px;padding:20px 16px =
20px 16px;text-align:center;vertical-align:top;mso-padding-alt:24px 40px 24=
px 40px;" class=3D"block-grid padding-24px-40px-24px-40px"><!--[if mso | IE=
]><table role=3D"presentation" border=3D"0" cellpadding=3D"0" cellspacing=
=3D"0"><tr><td style=3D"vertical-align:top;width:520px;" ><![endif]--><div =
class=3D"mj-column-per-100 mj-outlook-group-fix" style=3D"font-size:0px;tex=
t-align:left;direction:ltr;display:inline-block;vertical-align:top;width:10=
0%;"><table border=3D"0" cellpadding=3D"0" cellspacing=3D"0" role=3D"presen=
tation" style=3D"border-radius:0px;vertical-align:top;" width=3D"100%"><tr>=
<td class=3D"text-container" style=3D"font-size:0px;padding:8px 0px 20px 0p=
x;word-break:break-word;text-align:left;"><div class=3D"links-000000-underl=
ine-bold"><div style=3D"font-family:'OpenAI Sans', Arial, sans-serif;font-s=
ize:16px;font-weight:normal;letter-spacing:none;line-height:1.20;text-align=
:left;mso-line-height-alt:1.188em;color:#000000;"><p style=3D"margin: 0;"><=
span style=3D"font-family: 'OpenAI Sans', Arial, sans-serif;"><strong>GPT-5=
.6 Terra is now 20% less expensive</strong></span></p><p style=3D"margin: 0=
;">&nbsp;</p><p style=3D"margin: 0;"><span style=3D"font-family: 'OpenAI Sa=
ns', Arial, sans-serif;">Terra, our balanced model for everyday work, now c=
osts $2 per million input tokens and $12 per million output tokens. It bala=
nces intelligence, speed, and cost to make everyday production work more ec=
onomical. If you currently default to Sol for work that doesn=E2=80=99t req=
uire maximum intelligence, consider evaluating Terra.&nbsp;</span></p><p st=
yle=3D"margin: 0;">&nbsp;</p><p style=3D"margin: 0;"><span style=3D"font-fa=
mily: 'OpenAI Sans', Arial, sans-serif;"><a href=3D"http://url3243.email.op=
enai.com/ls/click?upn=3Du001.GyApCCuCEL-2BZgyWl1glfWOBaunxKVIa8HlKwEjEx6X-2=
B2FFee5qn7oZ-2F7JRXpS9UfQB0dzn-2BRni5szmZe3aHd5vx9g1MrYyGDcXkBg0tTVRE-3DW2d=
7_49kUSkg6aCVOJiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO=
-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53=
F9bmtEcYmiXlQXDycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeUqBD=
9cTDI8qniBFdK-2BY6D-2FjvC7QgF1c1PcGyP7JF7QMcAfiBVoHLjWdBqjrVw39poMpULbrqCd3=
aLAXY7aCnyDetE3ZfJFC-2F7oJU9MzruNeO7Oj1WFnyltnzoh0JwnG5YT3-2FOdBFwr2VJheIJv=
x5qkAGXR5UY1vJgoyNLd8FwvjL01Uzqf3E9cWwAUEd2Ze-2Fw-3D-3D" target=3D"_blank" =
rel=3D"noopener" style=3D"color: rgb(0, 0, 0); text-decoration: underline; =
font-weight: 700;">Try GPT-5.6 Terra</a></span></p></div></div></td></tr></=
table></div><!--[if mso | IE]></td></tr></table><![endif]--></td></tr></tab=
le></div><!--[if mso | IE]></td></tr></table><![endif]--></div></td></tr></=
table><table align=3D"center" border=3D"0" cellpadding=3D"0" cellspacing=3D=
"0" role=3D"presentation" style=3D"width:100%;" class=3D"section"><tr><td a=
lign=3D"center"><div role=3D"none"><!--[if mso | IE]><table align=3D"center=
" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" class=3D"block-grid-outl=
ook" style=3D"width:600px;" width=3D"600" ><tr><td style=3D"line-height:0px=
;font-size:0px;mso-line-height-rule:exactly;"><![endif]--><div style=3D"bac=
kground:#FFFFFF;background-color:#FFFFFF;margin:0 auto;max-width:600px;"><t=
able align=3D"center" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" role=
=3D"presentation" style=3D"background-color:#FFFFFF;width:100%;"><tr><td st=
yle=3D"border-top:1px solid #E7EFFF;font-size:0px;padding:20px 16px 20px 16=
px;text-align:center;vertical-align:top;mso-padding-alt:24px 40px 24px 40px=
;" class=3D"block-grid padding-24px-40px-24px-40px"><!--[if mso | IE]><tabl=
e role=3D"presentation" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"><t=
r><td style=3D"vertical-align:top;width:520px;" ><![endif]--><div class=3D"=
mj-column-per-100 mj-outlook-group-fix" style=3D"font-size:0px;text-align:l=
eft;direction:ltr;display:inline-block;vertical-align:top;width:100%;"><tab=
le border=3D"0" cellpadding=3D"0" cellspacing=3D"0" role=3D"presentation" s=
tyle=3D"border-radius:0px;vertical-align:top;" width=3D"100%"><tr><td class=
=3D"text-container" style=3D"font-size:0px;padding:8px 0px 20px 0px;word-br=
eak:break-word;text-align:left;"><div class=3D"links-000000-underline-bold"=
><div style=3D"font-family:'OpenAI Sans', Arial, sans-serif;font-size:16px;=
font-weight:normal;letter-spacing:none;line-height:1.20;text-align:left;mso=
-line-height-alt:1.188em;color:#000000;"><p style=3D"margin: 0;"><span styl=
e=3D"font-family: 'OpenAI Sans', Arial, sans-serif;"><strong>Fast mode for =
GPT 5.6 Sol: Up to 2.5x faster responses</strong></span></p><p style=3D"mar=
gin: 0;">&nbsp;</p><p style=3D"margin: 0;"><span style=3D"font-family: 'Ope=
nAI Sans', Arial, sans-serif;">We=E2=80=99re also introducing Fast mode in =
the API, which replaces our Priority Processing offering. For GPT=E2=80=915=
.6 Sol, Fast mode now delivers up to 2.5=C3=97 faster speeds than Standard =
processing at twice the price, with no change in intelligence. Fast mode is=
 backward compatible: requests tagged `priority` will automatically use Fas=
t mode. For new requests, pass `service_tier=3D"fast"`.</span></p><p style=
=3D"margin: 0;">&nbsp;</p><p style=3D"margin: 0;"><span style=3D"font-famil=
y: 'OpenAI Sans', Arial, sans-serif;"><a href=3D"http://url3243.email.opena=
i.com/ls/click?upn=3Du001.GyApCCuCEL-2BZgyWl1glfWP2GawfM7ZRC8k3tFwO5MOMLu7z=
YjmHeq0yVRzapF8oRh0zz_49kUSkg6aCVOJiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNo=
C3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh=
-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iIvW=
hmwxcDMrBGtyqjDeUqBD9cTDI8qniBFdK-2BY6D9LqVJ73zIjDdjO0VOREmt0x4uNOo3BYhbsiA=
-2BtbaXj7wlMVDzPFd8aaP-2FBQn90C-2Fd4S7FbQC9vKqmGEtyHD9TOreGX7FHOxXPd1HbBycq=
K-2Fvg9sdfHV1W-2BVsODrw7I1ct-2FGIHTAqGhcnDLaPndaaVQ0ATsdOIQttLhmBDp-2FNI5xA=
-3D-3D" target=3D"_blank" rel=3D"noopener" style=3D"color: rgb(0, 0, 0); te=
xt-decoration: underline; font-weight: 700;">Learn more about Fast mode</a>=
</span></p></div></div></td></tr></table></div><!--[if mso | IE]></td></tr>=
</table><![endif]--></td></tr></table></div><!--[if mso | IE]></td></tr></t=
able><![endif]--></div></td></tr></table><table align=3D"center" border=3D"=
0" cellpadding=3D"0" cellspacing=3D"0" role=3D"presentation" style=3D"width=
:100%;" class=3D"section"><tr><td align=3D"center"><div role=3D"none"><!--[=
if mso | IE]><table align=3D"center" border=3D"0" cellpadding=3D"0" cellspa=
cing=3D"0" class=3D"block-grid-outlook" style=3D"width:600px;" width=3D"600=
" ><tr><td style=3D"line-height:0px;font-size:0px;mso-line-height-rule:exac=
tly;"><![endif]--><div style=3D"background:#FFFFFF;background-color:#FFFFFF=
;margin:0 auto;max-width:600px;"><table align=3D"center" border=3D"0" cellp=
adding=3D"0" cellspacing=3D"0" role=3D"presentation" style=3D"background-co=
lor:#FFFFFF;width:100%;"><tr><td style=3D"border-top:1px solid #E7EFFF;font=
-size:0px;padding:20px 16px 20px 16px;text-align:center;vertical-align:top;=
mso-padding-alt:24px 40px 24px 40px;" class=3D"block-grid padding-24px-40px=
-24px-40px"><!--[if mso | IE]><table role=3D"presentation" border=3D"0" cel=
lpadding=3D"0" cellspacing=3D"0"><tr><td style=3D"vertical-align:top;width:=
520px;" ><![endif]--><div class=3D"mj-column-per-100 mj-outlook-group-fix" =
style=3D"font-size:0px;text-align:left;direction:ltr;display:inline-block;v=
ertical-align:top;width:100%;"><table border=3D"0" cellpadding=3D"0" cellsp=
acing=3D"0" role=3D"presentation" style=3D"border-radius:0px;vertical-align=
:top;" width=3D"100%"><tr><td class=3D"text-container" style=3D"font-size:0=
px;padding:8px 0px 20px 0px;word-break:break-word;text-align:left;"><div cl=
ass=3D"links-000000-underline-bold"><div style=3D"font-family:'OpenAI Sans'=
, Arial, sans-serif;font-size:16px;font-weight:normal;letter-spacing:none;l=
ine-height:1.20;text-align:left;mso-line-height-alt:1.188em;color:#000000;"=
><p style=3D"margin: 0;"><span style=3D"font-family: 'OpenAI Sans', Arial, =
sans-serif;">Making advanced intelligence more abundant, affordable, and us=
eful is central to our mission.</span></p><p style=3D"margin: 0;">&nbsp;</p=
><p style=3D"margin: 0;"><span style=3D"font-family: 'OpenAI Sans', Arial, =
sans-serif;">Together, the GPT-5.6 family gives you a clear model for every=
 job: Sol for the hardest problems, Terra for everyday production work, Lun=
a for high-volume workflows.</span></p><p style=3D"margin: 0;">&nbsp;</p><p=
 style=3D"margin: 0;"><span style=3D"font-family: 'OpenAI Sans', Arial, san=
s-serif;">With today=E2=80=99s updates, more workloads are now practical to=
 run at scale, opening up new possibilities for what you can build.</span><=
/p><p style=3D"margin: 0;">&nbsp;</p><p style=3D"margin: 0;"><span style=3D=
"font-family: 'OpenAI Sans', Arial, sans-serif;"><a href=3D"http://url3243.=
email.openai.com/ls/click?upn=3Du001.GyApCCuCEL-2BZgyWl1glfWCtz7LLnf5-2BGek=
c3d3musQxbbJZhn2D21XN7lieUBOTr6TRO6a2iacYRNwbRkxswJh9gK2HKhqFpAJJIThw3I4S5y=
PJOW9UtNQd04M49yi4s_PbH_49kUSkg6aCVOJiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2n=
NoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m9YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5=
uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQXDycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iI=
vWhmwxcDMrBGtyqjDeUqBD9cTDI8qniBFdK-2BY6D-2F69T3Vpdt185rQ5TJyV5UpooPCYkVNl2=
7BxJYrL9fN61QS2NlZCrZvpBW4Ls76PikX03wsJd7DBnfzf3qliIVMRvZd6-2FDTuomoHri8lt5=
5ir-2B1yr83lRF6d8fJERBwXtQbuvetjv05vBHW-2FdjEzUIXp1j7MWLdm5VVdMgmHWmmFQ-3D-=
3D" target=3D"_blank" rel=3D"noopener" style=3D"color: rgb(0, 0, 0); text-d=
ecoration: underline; font-weight: 700;">Read the announcement</a></span></=
p><p style=3D"margin: 0;">&nbsp;</p><p style=3D"margin: 0;"><span style=3D"=
font-family: 'OpenAI Sans', Arial, sans-serif;"><a href=3D"http://url3243.e=
mail.openai.com/ls/click?upn=3Du001.GyApCCuCEL-2BZgyWl1glfWOBaunxKVIa8HlKwE=
jEx6X-2B2FFee5qn7oZ-2F7JRXpS9UfisbLkQtvGK9S6v4XSh7hTQ-3D-3Dd-fq_49kUSkg6aCV=
OJiN3eqMATybncpTVfcA0ME1yvhSNjgB8JdlYz2nNoC3zWbY5kG8Efh3Oke8cO-2BA5oi0xRu4m=
9YeuHM64YztfGlA9xlgqcHHAN3h5P1KvgpF0r3r5uh-2Fb8-2FUSrbg8R3DG53F9bmtEcYmiXlQ=
XDycuQZH39E2NfevAFxZfsvAVgthcaHe7qHI64iIvWhmwxcDMrBGtyqjDeUqBD9cTDI8qniBFdK=
-2BY6D-2B61pvGCCAP-2B1DHv2F-2BaHc5zyR-2BP2sAYafiKOIUtXDo5PXQ7nO5KrwGphitcRS=
YHbInStfrpwkPzE4q7ryRii1k6QRfhWe0hXUZe4Fij2mppmHddF0Erwt4voSdlXzlvHuylVBBWG=
BdwmnIhgK1ZwpnOwKalRXL4PP7nqZl2WarCw-3D-3D" target=3D"_blank" rel=3D"noopen=
er" style=3D"color: rgb(0, 0, 0); text-decoration: underline; font-weight: =
700;">View updated API pricing</a></span></p></div></div></td></tr><tr><td =
class=3D"text-container" style=3D"font-size:0px;padding:8px 0px 20px 0px;wo=
rd-break:break-word;text-align:left;"><div class=3D"links-222222-underline"=
><div style=3D"font-family:Arial, sans-serif;font-size:16px;font-weight:nor=
mal;letter-spacing:none;line-height:1.20;text-align:left;mso-line-height-al=
t:1.188em;color:#222222;"><p style=3D"margin: 0;">Thank you for building wi=
th OpenAI,<br>&nbsp;</p><p style=3D"margin: 0;">=E2=80=94The OpenAI Team</p=
></div></div></td></tr></table></div><!--[if mso | IE]></td></tr></table><!=
[endif]--></td></tr></table></div><!--[if mso | IE]></td></tr></table><![en=
dif]--></div></td></tr></table><table align=3D"center" border=3D"0" cellpad=
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r:transparent;width:100%;" class=3D"section"><tr><td align=3D"center"><div =
role=3D"none"><!--[if mso | IE]><table align=3D"center" border=3D"0" cellpa=
dding=3D"0" cellspacing=3D"0" class=3D"block-grid-outlook" style=3D"width:6=
00px;" width=3D"600" ><tr><td style=3D"line-height:0px;font-size:0px;mso-li=
ne-height-rule:exactly;"><![endif]--><div style=3D"background:#FFFFFF;backg=
round-color:#FFFFFF;margin:0 auto;max-width:600px;"><table align=3D"center"=
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le=3D"background-color:#FFFFFF;width:100%;"><tr><td style=3D"font-size:0px;=
padding:30px 16px 30px 16px;text-align:center;vertical-align:top;mso-paddin=
g-alt:30px 40px 30px 40px;" class=3D"block-grid padding-30px-40px-30px-40px=
"><table align=3D"center" border=3D"0" cellpadding=3D"0" cellspacing=3D"0" =
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class=3D"mj-column-per-33-33 mj-outlook-group-fix" style=3D"font-size:0px;t=
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entation" style=3D"border-radius:0px;vertical-align:top;" width=3D"100%"><t=
r><td class=3D"img-container" style=3D"font-size:0px;padding:0px 0px 5px 0p=
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nai.com/ls/click?upn=3Du001.GyApCCuCEL-2BZgyWl1glfWAtSbaNBdL-2BYAuI-2BAqS-2=
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aoAHdV4WbsRLiidXYxSy2TrgOVz5iv-2BufxkUwC7n8DHW2-2FuUKXzU9HtLw-3D-3D" target=
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x;text-align:center;mso-line-height-alt:1em;color:#333333;" class=3D"mso-te=
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