OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.
o3-mini with reasoning effort set to high for maximum STEM accuracy.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.6 Sol and o3-mini (High) 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.
o3-mini (High) has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. o3-mini (High): $1.10 input / $4.40 output.
GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs o3-mini (High) at 200K tokens.
GPT 5.6 Sol supports vision/image input, but o3-mini (High) does not.
Key differences: o3-mini (High) is significantly cheaper; only GPT 5.6 Sol supports vision input. 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 GPT 5.6 Sol and o3-mini (High) for free on idapt.app to see which performs better for your specific needs.