gpt-5.1
GPT-5.1 is a high-capability model for complex coding and agentic tasks. Its configurable reasoning effort lets developers balance speed and answer quality. It is suited to cross-file development, code review, complex analysis, multi-step planning, tool use, and professional automation tasks requiring long-context understanding.
- Context
- 400000 tokens
- Max output
- 128000 tokens
- Input
- llm image
- Output
- llm
Pricing
Input: $2.5 / 1M tokens
Output: $20 / 1M tokens
Cached input: $0.25 / 1M tokens
Endpoints
- openai