Claude 1 vs Kimi-Dev
Anthropic Claude 1 | Moonshot AI Kimi-Dev | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Moonshot AI |
| Release date | Mar 14 2023 | Jun 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 72B |
| Timeline | ||
| Release gap | Claude 1 shipped 810 days before Kimi-Dev | |
Which is better: Claude 1 or Kimi-Dev?
Claude 1 and Kimi-Dev don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 810 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.
Claude 1 is proprietary, while Kimi-Dev is open weight.
Direct benchmark comparisons are unavailable — Claude 1 and Kimi-Dev don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 1 was released by Anthropic on Mar 14 2023.
Kimi-Dev was released by Moonshot AI on Jun 2025.
Claude 1 is a proprietary model released by Anthropic. Kimi-Dev is an open weight model released by Moonshot AI.