DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass....
Model details →DeepSeek: R1 vs Anthropic Claude Sonnet Latest
DeepSeek: R1 and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Model details →Side-by-side comparison
| Capability | DeepSeek: R1 | Anthropic Claude Sonnet Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 164K | 1M | 🏆 Anthropic Claude Sonnet Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $2.00 | 🏆 DeepSeek: R1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $10.00 | 🏆 DeepSeek: R1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Anthropic Claude Sonnet Latest |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: R1 better than Anthropic Claude Sonnet Latest?
DeepSeek: R1 and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between DeepSeek: R1 and Anthropic Claude Sonnet Latest?
Input: $0.70 vs $2.00 per 1M tokens. Output: $2.50 vs $10.00 per 1M tokens.
What context windows do DeepSeek: R1 and Anthropic Claude Sonnet Latest support?
DeepSeek: R1 supports up to 164K tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both DeepSeek: R1 and Anthropic Claude Sonnet Latest support tool calling?
DeepSeek: R1: yes. Anthropic Claude Sonnet Latest: yes.
Compare DeepSeek: R1 with other models
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