# GPT-5.5 Pro API prices

GPT-5.5 Pro (gpt-pro) — 1.1M context, 128k max output.
19 metered per-token offers from 19 provider(s), in USD per 1M tokens.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Poe | $27.2727 | $163.6364 | — | 400k |
| Cloudflare AI Gateway | $30 | $180 | — | 1.0M |
| CrossModel | $30 | $180 | — | 1.1M |
| Eden AI | $30 | $180 | $3 | 1.1M |
| FastRouter | $30 | $180 | — | 1.1M |
| Impossibl | $30 | $180 | $3 | 1.1M |
| Kilo Gateway | $30 | $180 | — | 1.1M |
| DevPass (LLM Gateway) | $30 | $180 | — | 1.1M |
| LLM Gateway | $30 | $180 | — | 1.1M |
| Neon | $30 | $180 | — | 1.1M |
| OpenAI | $30 | $180 | — | 1.1M |
| OpenCode Zen | $30 | $180 | $30 | 1.1M |
| OpenRouter | $30 | $180 | — | 1.1M |
| Opper | $30 | $180 | — | 1.1M |
| OrcaRouter | $30 | $180 | — | 1.1M |
| Requesty | $30 | $180 | — | 1.1M |
| Vercel AI Gateway | $30 | $180 | — | 1.0M |
| ZenMux | $30 | $180 | — | 1.1M |
| Venice AI | $37.5 | $225 | — | 1.0M |

## Summary

- Cheapest input: $27.2727 per 1M tokens (Poe)
- Cheapest output: $163.6364 per 1M tokens (Poe)
- First-party: $180 per 1M output tokens (OpenAI)
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2026-04-23
- Inputs: image, pdf, text

HTML page: https://llmprice.gitlab.io/models/gpt-5-5-pro/
Full dataset: https://llmprice.gitlab.io/data/catalog.json