OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.
Google's frontier model with a large leap in core reasoning.
No shared agent demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.6 Sol and Gemini 3.1 Pro 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.
Gemini 3.1 Pro has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. Gemini 3.1 Pro: $2.00 input / $12.00 output.
GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs Gemini 3.1 Pro at 1M tokens.
Yes, both GPT 5.6 Sol and Gemini 3.1 Pro support vision/image input.
Key differences: Gemini 3.1 Pro is significantly cheaper. 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 Gemini 3.1 Pro for free on idapt.app to see which performs better for your specific needs.