OpenAI
availableShows if the model has enough results for an index.GPT-5.5 Pro
GPT-5.5 Pro is a reasoning model from OpenAI in the GPT-5.5 family. 12 benchmarks count toward its score, in 4 categories.
IndexOverall score out of 100.77.9 ±8.7
CoverageShare of the index weight with results.60%
SpeedOutput tokens per second.5/s
Input / 1MUS dollars per 1M input tokens.$30 batch $15
Output / 1MUS dollars per 1M output tokens.$180 batch $90 US dollars per 1M output tokens in a batch.
ContextMaximum tokens in one request.1.05M
EloLMArena rating and rank.N/A
The index is a score out of 100. The ± range shows how much it can change. Batch work costs less.
CapabilitiesScore per category, out of 100.
Out of 100Results
12 counted| BenchmarkThe test name. | CategoryThe capability that the test measures. | ResultThe score from the publisher. | IndexThis result as a score out of 100. | RunThe settings of the run. | DateDate of the result. | Published byThe source of the result. |
|---|---|---|---|---|---|---|
| OTIS Mock AIME 2024-2025 | Math | 100.0% | 67.4 | xhigh effort | — | Epoch AI |
| ARC-AGI-1 (semi-private) | Reasoning | 95.0% | 72.1 | xhigh effort | — | ARC Prize Foundation |
| GPQA diamond | Knowledge | 93.9% | 65.0 | xhigh effort | — | Epoch AI |
| BrowseComp | Agentic | 90.1% | 75.4 | — | — | OpenAI |
| FrontierMath-Tiers-1-3-v2-Private | Math | 87.7% | 80.8 | xhigh effort | — | Epoch AI |
| ARC-AGI-2 (semi-private) | Reasoning | 84.2% | 82.2 | xhigh effort | — | ARC Prize Foundation |
| FrontierMath-Tier-4-v2-Private | Math | 78.0% | 85.4 | xhigh effort | — | Epoch AI |
| Chess Puzzles | Reasoning | 64.0% | 95.0 | xhigh effort | — | Epoch AI |
| Humanity's Last Exam | Knowledge | 57.2% | 77.2 | — | — | Center for AI Safety et al. |
| FrontierMath-2025-02-28-Private | Math | 51.0% | 78.2 | xhigh effort | — | Epoch AI |
| Humanity's Last Exam without tools | Knowledge | 43.1% | 65.3 | — | — | OpenAI |
| FrontierMath-Tier-4-2025-07-01-Private | Math | 39.6% | 86.4 | xhigh effort | — | Epoch AI |
| Critical Physics Tasks | Reasoning | 30.6% | 95.0 | — | — | Artificial Analysis |
12 benchmarks count, from 13 of 13 results. A grey row does not count. Too few models took that benchmark.