o4-mini
A smaller model optimized for fast, cost-efficient reasoning. Achieves remarkable performance for its size, particularly in math, coding, and visual tasks.
Specifications
Performance (7-day Average)
Availability Trend (24h)
Pricing
Performance Metrics (24h)
Similar Models
GPT-5.2-Codex is an upgraded version of GPT-5.2 optimized for long-horizon, agentic coding tasks in Codex or similar environments. It's available in the Responses API only and supports low, medium, high, and xhigh reasoning effort settings.
GPT-5 Chat points to the GPT-5 snapshot currently used in ChatGPT. GPT-5 is our next-generation, high-intelligence flagship model. It accepts both text and image inputs, and produces text outputs.
GPT-5.1-Codex is a version of GPT-5 optimized for agentic coding tasks in Codex or similar environments. It's available in the Responses API only and the underlying model snapshot will be regularly updated. If you want to learn more about prompting GPT-5-Codex, refer to our dedicated guide
GPT-5.1-Codex-Max is a version of GPT-5.1-Codex with enhanced capabilities for agentic coding tasks.