OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.
Anthropic's fifth-generation Sonnet — near-Opus intelligence at Sonnet speed and price.
No shared agent demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.6 Sol and Claude Sonnet 5 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.
Claude Sonnet 5 has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. Claude Sonnet 5: $2.00 input / $10.00 output.
GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs Claude Sonnet 5 at 1M tokens.
Yes, both GPT 5.6 Sol and Claude Sonnet 5 support vision/image input.
Key differences: Claude Sonnet 5 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 Claude Sonnet 5 for free on idapt.app to see which performs better for your specific needs.