GPT-5.5 Pro
GPT-5.5 Pro by OpenAI: intelligence index 83.5, $30.00 in / $180.00 out per 1M tokens, 1.1M context, with a source on every number.
- Vendor
- OpenAI
- Intelligence index
- 83.5
- Price per 1M tokens
- $30.00 in · $180.00 out
- Context
- 1.1M tokens
- Released
- 2026-04-24