o4 Mini
by OpenAI
Latest small reasoning model in the o-series optimized for fast, effective reasoning with exceptional performance in coding and visual tasks. Features streaming support and configurable reasoning effort levels for optimal cost-performance balance.
- Advanced reasoning capabilities optimized for speed and effectiveness in technical domains
- Exceptional coding performance with superior debugging and development assistance
- Visual task proficiency handling complex image analysis and visual reasoning
- Configurable reasoning effort with adjustable complexity levels for cost optimization
- Streaming support enabled for real-time interactions and responsive user experiences
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GPT 5.6 SolGPT-5.6 Sol is OpenAI's flagship model in the GPT-5.6 family, released July 9, 2026, for the most complex professional work spanning software engineering, long-horizon research, agentic tool use, and careful result refinement.
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GPT 5.6 LunaGPT-5.6 Luna is the fastest, most cost-optimized model in the GPT-5.6 family, released July 9, 2026, built for high-volume and latency-sensitive workloads.