Claude 2.1 vs Kimi-Dev
Anthropic Claude 2.1 | Moonshot AI Kimi-Dev | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Moonshot AI |
| Release date | Nov 21 2023 | Jun 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 72B |
| Timeline | ||
| Release gap | Claude 2.1 shipped 558 days before Kimi-Dev | |
Which is better: Claude 2.1 or Kimi-Dev?
Claude 2.1 and Kimi-Dev don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 558 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.
Claude 2.1 is proprietary, while Kimi-Dev is open weight.
Direct benchmark comparisons are unavailable — Claude 2.1 and Kimi-Dev don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 2.1 was released by Anthropic on Nov 21 2023.
Kimi-Dev was released by Moonshot AI on Jun 2025.
Claude 2.1 is a proprietary model released by Anthropic. Kimi-Dev is an open weight model released by Moonshot AI.
Other comparisons
Claude 2.1 vs GPT-5.6 SolKimi-Dev vs GPT-5.6 SolClaude 2.1 vs Gemini OmniKimi-Dev vs Gemini OmniClaude 2.1 vs Muse Spark 1.1Kimi-Dev vs Muse Spark 1.1Claude 2.1 vs Grok 4.5Kimi-Dev vs Grok 4.5Claude 2.1 vs DeepSeek-V4-ProKimi-Dev vs DeepSeek-V4-ProClaude 2.1 vs Mistral Medium 3.5Kimi-Dev vs Mistral Medium 3.5