Anthropic's new flagship for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5.
OpenAI's GPT-6 Sol served in pro reasoning mode for the hardest problems.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Opus 5.5 and GPT 6 Sol 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.
GPT 6 Sol Pro has a lower blended cost. Claude Opus 5.5: $4.00 input / $20.00 output. GPT 6 Sol Pro: $2.00 input / $10.00 output.
GPT 6 Sol Pro has a larger context window: Claude Opus 5.5 supports 1M tokens vs GPT 6 Sol Pro at 1.1M tokens.
Yes, both Claude Opus 5.5 and GPT 6 Sol Pro support vision/image input.
Claude Opus 5.5 and GPT 6 Sol Pro have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.
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 Claude Opus 5.5 and GPT 6 Sol Pro for free on idapt.app to see which performs better for your specific needs.