OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.
World-class coding model with sustained performance on complex agentic tasks.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.6 Sol and Claude Opus 4 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.
GPT 5.6 Sol has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. Claude Opus 4: $15.00 input / $75.00 output.
GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs Claude Opus 4 at 200K tokens.
Yes, both GPT 5.6 Sol and Claude Opus 4 support vision/image input.
Key differences: GPT 5.6 Sol 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 Opus 4 for free on idapt.app to see which performs better for your specific needs.