GPT-5.5 Pro from OpenAI: $30.00 input and $180.00 output per 1M tokens, 1,050,000 context. Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding Data last refreshed Oct 16, 2026, 07:15 AM UTC.
OpenAI · gpt-pro
GPT-5.5 Pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
$30.00 in · $180.00 out
per 1M tokens · first-party price. Reference price from OpenAI, the lab's own listing.
Provider input prices run from $27.27 to $41.26 per 1M tokens. Output prices run from $163.64 to $247.57.
- Context
- 1,050,000
- Max output
- 128,000
- Cache read
- —
- Cache write
- —
- Reasoning
- Yes
- Tool calls
- Yes
- Structured output
- Yes
- Vision
- Yes
- Open weights
- No
- License
- —
- Released
- Apr 23, 2026
- Updated in source
- Apr 23, 2026
- Knowledge
- 2025-12-01
- Providers
- 20
Higher rates apply above 200,000, 272,000 input tokens. The calculator switches to that rate when the input is longer.
Providers
| Provider | Input | Output | Cache read | Cache write | Status |
|---|---|---|---|---|---|
| Poe | $27.27 | $163.64 | — | — | — |
| AIHubMix | $30.00 | $180.00 | — | — | — |
| Cloudflare AI Gateway | $30.00 | $180.00 | — | — | — |
| CrossModel | $30.00 | $180.00 | — | — | — |
| DevPass | $30.00 | $180.00 | — | — | — |
| Eden AI | $30.00 | $180.00 | — | — | — |
| FastRouter | $30.00 | $180.00 | — | — | — |
| Impossibl | $30.00 | $180.00 | $3.00 | — | — |
| Kilo Gateway | $30.00 | $180.00 | — | — | — |
| LLM Gateway | $30.00 | $180.00 | — | — | — |
| Neon | $30.00 | $180.00 | — | — | — |
| OpenAIreference | $30.00 | $180.00 | — | — | — |
| OpenRouter | $30.00 | $180.00 | — | — | — |
| Opper | $30.00 | $180.00 | — | — | — |
| OrcaRouter | $30.00 | $180.00 | — | — | — |
| Requesty | $30.00 | $180.00 | — | — | — |
| Venice AI | $30.00 | $180.00 | — | — | — |
| Vercel AI Gateway | $30.00 | $180.00 | — | — | — |
| ZenMux | $30.00 | $180.00 | — | — | — |
| AI/ML API | $41.26 | $247.57 | — | — | — |
Jobs this model qualifies for
- Coding agents — clears the bar
- Long-document Q&A — clears the bar
- Cheapest summarization — clears the bar