# GPT-5.5 Pro API prices

GPT-5.5 Pro (gpt-pro) — 1.1M context, 128k max output.
20 metered per-token offers from 20 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Poe | $27.2727 | $163.6364 | — | 400k |
| AIHubMix | $30 | $180 | — | 1.1M |
| Cloudflare AI Gateway | $30 | $180 | — | 1.0M |
| CrossModel | $30 | $180 | — | 1.1M |
| Eden AI | $30 | $180 | — | 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

## FAQ

### What is the cheapest GPT-5.5 Pro API?

As of Oct 4, 2026, Poe has the lowest GPT-5.5 Pro output price at $163.6364 per 1M tokens, and Poe has the lowest input price at $27.2727 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

### How much does GPT-5.5 Pro cost on OpenAI?

OpenAI charges $30 per 1M input tokens and $180 per 1M output tokens for GPT-5.5 Pro.

### How many providers offer GPT-5.5 Pro?

20 providers list GPT-5.5 Pro on Sovyron; 20 of them sell it at a metered per-token price.

### Is GPT-5.5 Pro free?

No provider in the Sovyron catalog lists a free tier for GPT-5.5 Pro.

### What is the context window of GPT-5.5 Pro?

GPT-5.5 Pro supports a 1.1M-token context window and up to 128k output tokens.

HTML page: https://sovyron.com/models/gpt-5-5-pro/
Full dataset: https://sovyron.com/data/catalog.json