OpenAI
GPT-5.5 Pro
gpt-5.5-pro- Context
- 1050000
- Max output
- 128000
- Released
- 2026-04-23
- Weights
- Proprietary
API pricing
OpenAI · USD / 1M tokens
Input price $30 · Output price $180
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OpenAI
gpt-5.5-proOpenAI · USD / 1M tokens
Input price $30 · Output price $180