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GPT-5.5

GPT‑5.5 understands what you’re trying to do faster and can carry more of the work itself.

text + image + file → text · made by OpenAI

$5→$30per Mtok in / out
OpenAI · 15 sellers

Sold by 38 ways

SellerLaneRate
Microsoft Azure AI cloudflex$2.5per Mtok inraw.githubusercontent.com · read 2026-10-31
OpenAI apibatch$2.5per Mtok in$15per Mtok out$0.25per Mtok cacheddevelopers.openai.com · read 2026-08-24
Microsoft Azure AI cloudbatch$2.75per Mtok in$16.5per Mtok out$0.25per Mtok cachedraw.githubusercontent.com · read 2026-10-31
Databricks cloudstandard$5per Mtok in$30per Mtok out$0.5per Mtok cached$5per Mtok cache writemodels.dev · read 2026-10-31
DigitalOcean cloudstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedmodels.dev · read 2026-10-31
Microsoft Azure AI cloudstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedmodels.dev · read 2026-10-31
Microsoft Azure AI cloudlong-context batch$5per Mtok in$22.5per Mtok out$0.5per Mtok cachedprices.azure.com · read 2026-08-24
OpenAI apistandard$5per Mtok in$30per Mtok out$0.5per Mtok cacheddevelopers.openai.com · read 2026-08-24
AWS Bedrock cloudstandard$5.5per Mtok in$33per Mtok out$0.55per Mtok cachedmodels.dev · read 2026-10-31
Microsoft Azure AI cloudlong-context$10per Mtok in$45per Mtok out$1per Mtok cachedprices.azure.com · read 2026-08-24
Databricks cloudpriority$12.5per Mtok in$75per Mtok out$1.25per Mtok cachedraw.githubusercontent.com · read 2026-10-31
Microsoft Azure AI cloudpriority$13.75per Mtok in$82.5per Mtok out$1.38per Mtok cachedraw.githubusercontent.com · read 2026-10-31
Requesty 3 ways$2.25per Mtok in$13.5per Mtok out$0.23per Mtok cached
Requesty aggregatornot on the seller's list todayopenai flex$2.25per Mtok in$13.5per Mtok out$0.23per Mtok cachedrouter.requesty.ai · read 2026-08-25
Requesty aggregatornot on the seller's list todayopenai-responses flex$2.25per Mtok in$13.5per Mtok out$0.23per Mtok cachedrouter.requesty.ai · read 2026-08-25
Requesty aggregatornot on the seller's list todayazure swedencentral$4.5per Mtok in$27per Mtok out$0.45per Mtok cachedrouter.requesty.ai · read 2026-08-25
Requesty aggregatornot on the seller's list todaybedrock us-east-2$4.95per Mtok in$29.7per Mtok out$0.49per Mtok cachedrouter.requesty.ai · read 2026-08-25
Requesty aggregatorazure$5per Mtok in$30per Mtok out$0.5per Mtok cachedrouter.requesty.ai · read 2026-10-07
Requesty aggregatoropenai$5per Mtok in$30per Mtok out$0.5per Mtok cachedrouter.requesty.ai · read 2026-10-08
Requesty aggregatornot on the seller's list todayopenai-responses$5per Mtok in$30per Mtok out$0.5per Mtok cachedrouter.requesty.ai · read 2026-09-10
Requesty aggregatorbedrock$5.5per Mtok in$33per Mtok out$0.55per Mtok cachedrouter.requesty.ai · read 2026-08-28
Nous Research 2 ways$5per Mtok in$30per Mtok out$0.5per Mtok cached
Nous Research aggregatorbatch$2.5per Mtok in$15per Mtok out$0.25per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
Nous Research aggregatorstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedinference-api.nousresearch.com · read 2026-09-12
OpenRouter 7 ways$5per Mtok in$30per Mtok out$0.5per Mtok cached
OpenRouter aggregatorbatch$2.5per Mtok in$15per Mtok out$0.25per Mtok cachedopenrouter.ai · read 2026-08-24
OpenRouter aggregatoropenai/flex$2.5per Mtok in$15per Mtok out$0.25per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedopenrouter.ai · read 2026-08-24
OpenRouter aggregatoramazon-bedrock/us-east-1$5.5per Mtok in$33per Mtok out$0.55per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorazure/eu$5.5per Mtok in$33per Mtok out$0.55per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorazure/us$5.5per Mtok in$33per Mtok out$0.55per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatoropenai/fast$12.5per Mtok in$75per Mtok out$1.25per Mtok cachedopenrouter.ai · read 2026-08-25
AtlasCloud aggregatorstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedapi.atlascloud.ai · read 2026-09-20
ElectronHub aggregatorstandard$5per Mtok in$30per Mtok outapi.electronhub.ai · read 2026-10-31
GitHub Copilot aggregatorstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedmodels.dev · read 2026-10-31
Inference.net aggregatorstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedapi.inference.net · read 2026-10-31
RedPill aggregatorstandard$5per Mtok in$30per Mtok outapi.redpill.ai · read 2026-09-20
Venice AI aggregatorstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedmodels.dev · read 2026-10-31
Vercel AI Gateway 2 ways$5per Mtok in$30per Mtok out$0.5per Mtok cached
Vercel AI Gateway aggregatorstandard$5per Mtok in$30per Mtok out$0.5per Mtok cachedvercel.com · read 2026-08-25
Vercel AI Gateway aggregatornot on the seller's list todaysandbox$5per Mtok in$30per Mtok outvercel.com · read 2026-08-25
Vercel AI Gateway aggregatorfast$12.5per Mtok in$75per Mtok out$1.25per Mtok cachedai-gateway.vercel.sh · read 2026-08-25

Measured 73 standings

PlaceBoardMetricScore
1stof 17Cl bench life — Epoch AIOverall (high)0.222
1stof 92Forecastbench — Epoch AIOverall score (high)67
1stof 202Terminalbench — Epoch AIAccuracy mean0.847
2ndof 101FrontierMath (Tiers 1-3)mean_score (xhigh)51.7
2ndof 35Swe bench verified — Epoch AImean_score (xhigh)80.579
3rdof 15Btf3 — Epoch AIPooled score (high)0.143
3rdof 20Exploitbench — Epoch AIMean capability0.474
3rdof 34LMArena · SearchScore (Elo)1242
4thof 41Deepresearchbench — Epoch AIAverage score (high)0.54
5thof 72Frontiermath tier 4 — Epoch AImean_score (xhigh)35.4
5thof 29Surface evolver bench — Epoch AIMean score (high)0.881
6thof 23Gbaeval — Epoch AIOverall score0.532
7thof 154Chess puzzles — Epoch AImean_score (xhigh)63
8thof 15Design Arena · agenticslides (agents)Elo1150
8thof 15Design Arena · agenticslides(python-pptx) (agents)Elo1155
8thof 13Design Arena · pptxslides (agents)Elo1157
8thof 18Rli — Epoch AIScore6.25
9thof 42Gso — Epoch AIScore OPT@1 (xhigh)0.402
9thof 12Posttrainbench — Epoch AIAverage (%) (xhigh)0.272
10thof 14Frontiermath erdos — Epoch AImean_score (xhigh)0
11thof 35Blueprint bench 2 — Epoch AIScore36.226
11thof 142Mystery game puzzles — Epoch AImean_score (xhigh)56
11thof 16Osworld 2 — Epoch AIBinary accuracy (xhigh)0.13
12thof 132Ale bench — Epoch AIPerformance (xhigh)1942.97
12thof 15Design Arena · agentichtmlslides (agents)Elo1084
12thof 15Design Arena · agenticslides(html) (agents)Elo1077
12thof 28Ebr bench — Epoch AImean_score (xhigh)34.286
13thof 306OTIS Mock AIME 2024-2025mean_score (xhigh)100
14thof 122Frontiermath tiers 1 3 v2 — Epoch AImean_score (xhigh)85.263
14thof 326GPQA Diamondmean_score (xhigh)94.003
14thof 93Simpleqa verified — Epoch AImean_score (xhigh)63
14thof 173Weirdml — Epoch AIAccuracy (xhigh)84.91
15thof 35Furniture assembly — Epoch AImean_score (xhigh)44.167
15thof 102Simplebench — Epoch AIScore (AVG@5)0.69
16thof 56Gdp pdf — Epoch AIGDP.pdf score (xhigh)0.26
17thof 71Vending bench 2 — Epoch AIScore7523.844
19thof 46Frontiercode — Epoch AIMain score0.43
20thof 163Artificial Analysis · Coding IndexIndex74.9
20thof 78Frontiermath tier 4 v2 — Epoch AImean_score (xhigh)72.5
20thof 165LMArena · VisionScore (Elo)1286
22ndof 60Apex agents — Epoch AIPass@1 score0.551
22ndof 69Deepswe — Epoch AIPass@1 (xhigh)0.67
24thof 41Design Arena · python-pptxslides (agents)Elo1152
24thof 414LMArena · TextScore (Elo) (high)1482
26thof 39Design Arena · agenticgamedev (agents)Elo1127
26thof 93Design Arena · asciiart (models)Elo1253
27thof 50Design Arena · godotgamedev (agents)Elo1173
28thof 53LMArena · AgentNet Improvement (%)4.38
28thof 30Mirrorcode — Epoch AImean_score (high)10
31stof 235Dtbench — Epoch AIAccuracy (xhigh)96
32ndof 290Arc agi 2 — Epoch AIScore (xhigh)85
32ndof 54Design Arena · androidnative (agents)Elo1160
32ndof 162Design Arena · gamedev (models)Elo1291
32ndof 114Design Arena · svg (models)Elo1231
32ndof 84Proofbench — Epoch AIAccuracy (xhigh)50
33rdof 36Design Arena · htmlslides (agents)Elo963
34thof 260Critpt — Epoch AIAccuracy (xhigh)27.143
38thof 131Artificial Analysis · Agentic IndexIndex36.4
39thof 309Arc agi — Epoch AIScore (xhigh)95
41stof 61Design Arena · fullstack (agents)Elo1089
44thof 154Design Arena · dataviz (models)Elo1263
45thof 235Scicode — Epoch AIScore (high)56.134
47thof 68Design Arena · mobileapps (agents)Elo1142
47thof 197Lmca — Epoch AIScore (xhigh)54.27
49thof 111Vectara Hallucination LeaderboardHallucination Rate9.3
52ndof 141LMArena · WebDevScore (Elo) (xhigh)1513
52ndof 135Webdev arena — Epoch AIArena Score (xhigh)1510.15
54thof 68Design Arena · webapps (agents)Elo1105
58thof 163Design Arena · codecategories (models)Elo1258
58thof 157Design Arena · uicomponent (models)Elo1255
61stof 169Design Arena · website (models)Elo1255
71stof 150Design Arena · 3d (models)Elo1195
77thof 112ARC-AGI-3 (Semi-Private)Score (%) (high)0.43

About

GPT-5.5 — a text model from OpenAI, sold by 15 companies from $5 in and $30 out per million tokens, placed 1st of 202 on Terminalbench — Epoch AI.

It takes text, images and files and returns text, with a context window of 1,050,000 tokens. It was published in March 2026, trained on material up to December 2025. Its sellers say it can reason step by step and call a tool. The catalogue files it under reasoning, code and agents. Fifteen companies sell it. The cheapest is $5 in and $30 out per million tokens at AtlasCloud. Beside the standard rate there are faster, batch, flex, separately routed and regional lanes. It has been measured on 73 boards, and stands best at 1st of 202 on Terminalbench — Epoch AI.

Every current figure

Maker
OpenAI
Register
model
Takes
text + image + file
Returns
text
Context
1,050,000 tokens
Longest answer
131,072 tokens
Published
March 2026
Knowledge to
December 2025
Licence
not read
Sellers
15
Price
$5 in and $30 out per million tokens — AtlasCloud
Boards
73
Best place
1st of 202 — Terminalbench — Epoch AI

Known as 27 names

GPT-5.5 (xhigh)GPT-5.5 (High)gpt-5.5-pre-release_xhighGPT 5.5GPT 5.5 (High)GPT 5.5 (xHigh)gpt-5.5-searchgpt-5.5-highCapy + GPT-5.5Codex CLI + GPT-5.5NexAU-AHE + GPT-5.5Codex + GPT-5.5 (xhigh)Terminus 2 + GPT-5.5 (xhigh)openai/gpt-5.55.5openai/gpt-5.5:batchazure/gpt-5.5@eastus2azure/gpt-5.5@swedencentralazure/openai-responses/gpt-5.5@eastus2azure/openai-responses/gpt-5.5@swedencentralbedrock/gpt-5.5@us-east-1bedrock/gpt-5.5@us-east-2openai-responses/gpt-5.5openai-responses/gpt-5.5:flexopenai/gpt-5.5:flexopenai/gpt-5.5-batchOpenAI: GPT-5.5 (batch)