Not reviewed
No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
Facts
- Maker
- OpenAI
- Models
- 4 on OpenRouter
- Newest
openai/gpt-5.5-pro
Why it's listed
- OpenRouter lists it, with prices from the providers that serve it.
Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.
Models 4
| Model | Released | Context | Input / 1M | Output / 1M | Supports |
|---|---|---|---|---|---|
GPT-5.5 Proopenai/gpt-5.5-pro | Apr 2026 | 1.05M | $30 | $180 | tools, structured output, reasoning, file, image |
GPT-5.4 Proopenai/gpt-5.4-pro | Mar 2026 | 1.05M | $30 | $180 | tools, structured output, reasoning, file, image |
GPT-5.2 Proopenai/gpt-5.2-pro | Dec 2025 | 400k | $21 | $168 | tools, structured output, reasoning, file, image |
GPT-5 Proopenai/gpt-5-pro | Oct 2025 | 400k | $15 | $120 | tools, structured output, reasoning, file, image |
Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.