Claude 3.5 Sonnet (upgraded) vs Kimi K1.5
Anthropic Claude 3.5 Sonnet (upgraded) | Moonshot AI Kimi K1.5 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Moonshot AI |
| Release date | Oct 22 2024 | Jan 20 2025 |
| Access | Proprietary | Proprietary |
| Specifications | ||
Context window | — | 128k |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 49% | — |
| Timeline | ||
| Release gap | Claude 3.5 Sonnet (upgraded) shipped 90 days before Kimi K1.5 | |
Which is better: Claude 3.5 Sonnet (upgraded) or Kimi K1.5?
Claude 3.5 Sonnet (upgraded) and Kimi K1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Sonnet (upgraded) shipped 90 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet (upgraded) and Kimi K1.5 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3.5 Sonnet (upgraded) was released by Anthropic on Oct 22 2024.
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
Other comparisons
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