1.05MContext
$30In, per 1M
$180Out, per 1M
- Lab
- OpenAI
- Released
- 24 Apr 2026
- Context window
- 1.05M tokens
- Longest answer
- 128K tokens
- Input, per 1M tokens
- $30
- Output, per 1M tokens
- $180
- Reads images
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- No
- Answers in
- text
- Model id
- openai/gpt-5.5-pro