Open-source reasoning model matching OpenAI o1 performance.
Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work.
No shared demos for these models yet.
No captured outputs for these models yet.
Both DeepSeek R1 and Claude Opus 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.
DeepSeek R1 has a lower blended cost. DeepSeek R1: $0.70 input / $2.50 output. Claude Opus 5: $5.00 input / $25.00 output.
Claude Opus 5 has a larger context window: DeepSeek R1 supports 64K tokens vs Claude Opus 5 at 1M tokens.
Claude Opus 5 supports vision/image input, but DeepSeek R1 does not.
Key differences: DeepSeek R1 is significantly cheaper; only Claude Opus 5 supports vision input. 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 DeepSeek R1 and Claude Opus 5 for free on idapt.app to see which performs better for your specific needs.