o3 Mini
by OpenAI
Cost-efficient reasoning model optimized for coding, mathematics, and science with production-ready developer features. Supports function calling, structured outputs, and configurable reasoning effort while maintaining high performance in STEM domains.
- STEM-optimized reasoning excelling in coding, mathematics, and scientific problem-solving
- Production-ready features with function calling, structured outputs, and developer messages
- Configurable reasoning effort with low, medium, and high settings for optimal performance
- Cost-efficient operation delivering advanced reasoning at accessible pricing
- High-performance STEM capabilities achieving competitive results on AIME and coding benchmarks
JSON Mode
Output responses in valid JSON format.
Image Generator
Generate images from text prompts.
Model Information
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.
GPT 5.6 TerraGPT-5.6 Terra balances capability and cost efficiency for everyday production workloads in the GPT-5.6 family, released July 9, 2026.
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.