GPT-5.5 Pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
openai/gpt-5.5-pro- Lab
- OpenAI
- Family
- gpt-pro
- Providers
- 21
- Context
- 1,050,000
- Output limit
- 128,000
- Knowledge
- 2025-12
- Release
- 2026-04-23
- Updated
- 2026-04-23
- Weights
- Closed
- Input
- Output types
- Capabilities
- tools, reasoning
Providers
21| AI/ML API | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $31.74 / $190.44 | Yes | Yes | Yes | No |
|---|---|---|---|---|---|---|---|---|---|
| AIHubMix | OpenAI | gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Cloudflare AI Gateway | OpenAI | openai/gpt-5.5-pro | 1,000,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| CrossModel | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| DevPass (LLM Gateway) | OpenAI | gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Eden AI | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| FastRouter | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Impossibl | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Kilo Gateway | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| LLM Gateway | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | No | No |
| Neon | OpenAI | gpt-5-5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| OpenAI | OpenAI | gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| OpenCode | OpenAI | gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | No | No |
| OpenRouter | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Opper | OpenAI | gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| OrcaRouter | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 100,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Poe | OpenAI | openai/gpt-5.5-pro | 400,000 | 128,000 | $27.2727 / $163.6364 | Yes | Yes | No | No |
| Requesty | OpenAI | gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Venice AI | OpenAI | openai-gpt-55-pro | 1,000,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
| Vercel AI Gateway | OpenAI | openai/gpt-5.5-pro | 1,000,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | Yes |
| ZenMux | OpenAI | openai/gpt-5.5-pro | 1,050,000 | 128,000 | $30.00 / $180.00 | Yes | Yes | Yes | No |
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