GPT 5.6 Sol vs Claude Opus 4.5
OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.
Anthropic's frontier reasoning model for complex software engineering and agentic workflows.
No captured outputs for these models yet.
Frequently Asked Questions: GPT 5.6 Sol vs Claude Opus 4.5▼
Which is better, GPT 5.6 Sol or Claude Opus 4.5?
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Both GPT 5.6 Sol and Claude Opus 4.5 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.
Which is cheaper, GPT 5.6 Sol or Claude Opus 4.5?
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Claude Opus 4.5 has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. Claude Opus 4.5: $5.00 input / $25.00 output.
Which has a larger context window, GPT 5.6 Sol or Claude Opus 4.5?
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GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs Claude Opus 4.5 at 200K tokens.
Do both GPT 5.6 Sol and Claude Opus 4.5 support vision?
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Yes, both GPT 5.6 Sol and Claude Opus 4.5 support vision/image input.
What are the key differences between GPT 5.6 Sol and Claude Opus 4.5?
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GPT 5.6 Sol and Claude Opus 4.5 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.
Which model should I choose for my use case?
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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 4.5 for free on idapt.app to see which performs better for your specific needs.