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Model spotlight
GPT-5.5 Pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
Compare modelsCore capabilities
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Input and output
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Limits and context
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Provider coverage
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GPT-5.5 Pro FAQ
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Model family
GPT
-
Focus areas
Core specifications
Modalities
Identity
- Version
- gpt-5.5-pro
- Knowledge cutoff
- 2025-12-01
- Aliases
- GPT-5.5 Pro
Capabilities
Pricing
Capabilities and fit
Model summary
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
- Output
- Text
- Capabilities
- 4
- Catalog updated
- 2026-08-06T01:26:49.481Z
- Status
Benchmark results
| Benchmark | Type | Score / rank | Evaluated |
|---|---|---|---|
| BrowseComp | General | 90.1 | 2026-04-23T00:00:00.000Z |
| Humanity's Last Exam | General | 43.1 | 2026-04-23T00:00:00.000Z |
| Humanity's Last Exam | General | 57.2 | 2026-04-23T00:00:00.000Z |
| FrontierMath | Math | 52.4 | 2026-04-23T00:00:00.000Z |
| FrontierMath | Math | 39.6 | 2026-04-23T00:00:00.000Z |
| GDPval | General | 82.3 | 2026-04-23T00:00:00.000Z |
| GeneBench | General | 33.2 | 2026-04-23T00:00:00.000Z |
Provider coverage
| Provider | Input | Output | Pricing |
|---|---|---|---|
| CrossModel | IN $30/M OUT $180/M | ||
| Poe | IN $30/M OUT $180/M | ||
| FastRouter | IN $30/M OUT $180/M | ||
| LLM Gateway | IN $30/M OUT $180/M | ||
| OpenCode Zen | IN $30/M OUT $180/M | ||
| ZenMux | IN $30/M OUT $180/M | ||
| OrcaRouter | IN $30/M OUT $180/M | ||
| Kilo Gateway | IN $30/M OUT $180/M | ||
| Vercel AI Gateway | IN $30/M OUT $180/M | ||
| OpenRouter | IN $30/M OUT $180/M | ||
| OpenAI | IN $30/M OUT $180/M |