Updated enterprise-grade model delivering frontier performance at lower cost.
OpenAI's fastest, most affordable GPT-5.6 tier for high-volume, latency-sensitive work.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Mistral Medium 3.1 and GPT 5.6 Luna are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Mistral Medium 3.1 has a lower blended cost. Mistral Medium 3.1: $0.40 input / $2.00 output. GPT 5.6 Luna: $1.00 input / $6.00 output.
GPT 5.6 Luna has a larger context window: Mistral Medium 3.1 supports 131K tokens vs GPT 5.6 Luna at 1.1M tokens.
Yes, both Mistral Medium 3.1 and GPT 5.6 Luna support vision/image input.
Key differences: Mistral Medium 3.1 is significantly cheaper; only GPT 5.6 Luna offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Mistral Medium 3.1 and GPT 5.6 Luna for free on idapt.app to see which performs better for your specific needs.