GPT-5.5 Pro
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.
text + image + file → text · made by OpenAI
Sold by 13 ways
| Seller | Lane | Rate |
|---|---|---|
| OpenAI api | batch | $15per Mtok in$90per Mtok outdevelopers.openai.com · read 2026-08-24 |
| Databricks cloud | standard | $30per Mtok in$180per Mtok out$30per Mtok cached$30per Mtok cache writeraw.githubusercontent.com · read 2026-10-31 |
| Microsoft Azure AI cloud | standard | $30per Mtok in$180per Mtok out$3per Mtok cachedraw.githubusercontent.com · read 2026-10-31 |
| OpenAI api | standard | $30per Mtok in$180per Mtok outdevelopers.openai.com · read 2026-08-24 |
| Nous Research 2 ways | $30per Mtok in$180per Mtok out | |
| Nous Research aggregator | batch | $15per Mtok in$90per Mtok outinference-api.nousresearch.com · read 2026-09-12 |
| Nous Research aggregator | standard | $30per Mtok in$180per Mtok outinference-api.nousresearch.com · read 2026-09-12 |
| OpenRouter 3 ways | $30per Mtok in$180per Mtok out | |
| OpenRouter aggregator | batch | $15per Mtok in$90per Mtok outopenrouter.ai · read 2026-08-24 |
| OpenRouter aggregator | openai/flex | $15per Mtok in$90per Mtok outopenrouter.ai · read 2026-08-25 |
| OpenRouter aggregator | standard | $30per Mtok in$180per Mtok outopenrouter.ai · read 2026-08-24 |
| Requesty aggregator | openai | $30per Mtok in$180per Mtok outrouter.requesty.ai · read 2026-09-20 |
| Requesty aggregatornot on the seller's list today | openai-responses | $30per Mtok in$180per Mtok outrouter.requesty.ai · read 2026-08-28 |
| Venice AI aggregator | standard | $30per Mtok in$180per Mtok outmodels.dev · read 2026-10-31 |
| Vercel AI Gateway aggregator | standard | $30per Mtok in$180per Mtok outai-gateway.vercel.sh · read 2026-08-25 |
Measured 17 standings
| Place | Board | Metric | Score |
|---|---|---|---|
| 1stof 101 | FrontierMath (Tiers 1-3) | mean_score (high) | 52.4 |
| 2ndof 72 | Frontiermath tier 4 — Epoch AI | mean_score (xhigh) | 39.6 |
| 4thof 102 | Simplebench — Epoch AI | Score (AVG@5) | 0.769 |
| 8thof 154 | Chess puzzles — Epoch AI | mean_score (xhigh) | 62 |
| 9thof 122 | Frontiermath tiers 1 3 v2 — Epoch AI | mean_score (xhigh) | 87.719 |
| 12thof 306 | OTIS Mock AIME 2024-2025 | mean_score (xhigh) | 100 |
| 14thof 260 | Critpt — Epoch AI | Accuracy (xhigh) | 30.571 |
| 15thof 326 | GPQA Diamond | mean_score (xhigh) | 93.921 |
| 17thof 78 | Frontiermath tier 4 v2 — Epoch AI | mean_score (xhigh) | 78.049 |
| 22ndof 273 | ARC-AGI-1 (Public Eval) | Score (%) (high) | 98 |
| 25thof 298 | ARC-AGI-1 (Semi-Private) | Score (%) (high) | 96.5 |
| 25thof 309 | Arc agi — Epoch AI | Score (high) | 96.5 |
| 31stof 282 | ARC-AGI-2 (Public Eval) | Score (%) (xhigh) | 90.42 |
| 32ndof 235 | Dtbench — Epoch AI | Accuracy (xhigh) | 96 |
| 33rdof 298 | ARC-AGI-2 (Semi-Private) | Score (%) (high) | 84.58 |
| 36thof 290 | Arc agi 2 — Epoch AI | Score (high) | 84.58 |
| 48thof 197 | Lmca — Epoch AI | Score (xhigh) | 53.94 |
About
GPT-5.5 Pro — a text model from OpenAI, sold by 8 companies from $30 in and $180 out per million tokens, placed 1st of 101 on FrontierMath (Tiers 1-3).
It takes text, images and files and returns text, with a context window of 1,000,000 tokens. It was published in April 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. Eight companies sell it. The cheapest is $30 in and $180 out per million tokens at Databricks. Beside the standard rate there are batch, flex and separately routed lanes. It has been measured on 17 boards, and stands best at 1st of 101 on FrontierMath (Tiers 1-3).
Every current figure
- Maker
- OpenAI
- Register
- model
- Takes
- text + image + file
- Returns
- text
- Context
- 1,000,000 tokens
- Longest answer
- 128,000 tokens
- Published
- April 2026
- Knowledge to
- December 2025
- Licence
- not read
- Sellers
- 8
- Price
- $30 in and $180 out per million tokens — Databricks
- Boards
- 17
- Best place
- 1st of 101 — FrontierMath (Tiers 1-3)
Known as 10 names
GPT-5.5 Pro (High)GPT-5.5 Pro (XHigh)gpt-5.5-pro-pre-release_highgpt-5.5-pro-pre-release_xhighopenai/gpt-5.5-proopenai/gpt-5.5-pro:batchgpt-5.5-proopenai-responses/gpt-5.5-proopenai/gpt-5.5-pro-batchOpenAI: GPT-5.5 Pro (batch)