Open-source reasoning model matching OpenAI o1 performance.
Anthropic's fast, low-cost Claude Haiku for high-volume work, succeeding Claude Haiku 4.5.
No shared demos for these models yet.
No captured outputs for these models yet.
Both DeepSeek R1 and Claude Haiku 5.5 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 Haiku 5.5 has a lower blended cost. DeepSeek R1: $0.70 input / $2.50 output. Claude Haiku 5.5: $0.10 input / $0.50 output.
Claude Haiku 5.5 has a larger context window: DeepSeek R1 supports 64K tokens vs Claude Haiku 5.5 at 1M tokens.
Claude Haiku 5.5 supports vision/image input, but DeepSeek R1 does not.
Key differences: Claude Haiku 5.5 is significantly cheaper; only Claude Haiku 5.5 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 Haiku 5.5 for free on idapt.app to see which performs better for your specific needs.