Claude 2.1vsKimi K1.5
Claude 2.1 | Kimi K1.5 | |
|---|---|---|
| Specifications | ||
Context windowHow much text the model can hold in mind at once — your question, any documents you attach, the conversation so far, and its own reply. Go past it and the earliest part falls out of view. | 200k | 128k |
| Overview | ||
| Company | Anthropic | Moonshot AI |
| Release date | Nov 21 2023 | Jan 20 2025 |
| Access | Proprietary | Proprietary |
Frequently asked questions
Claude 2.1 and Kimi K1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 426 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (Claude 2.1) vs 128k (Kimi K1.5).
Direct benchmark comparisons are unavailable — Claude 2.1 and Kimi K1.5 don't publish scores on any of the same benchmarks.
Claude 2.1 was released by Anthropic on Nov 21 2023.
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
Claude 2.1 has a 200k context window; Kimi K1.5 has 128k.
Other comparisons
Claude 2.1vsGPT-5.6-CyberKimi K1.5vsGPT-5.6-CyberClaude 2.1vsGemini 3.7 FlashKimi K1.5vsGemini 3.7 FlashClaude 2.1vsMuse GlimmerKimi K1.5vsMuse GlimmerClaude 2.1vsGrok 4.6Kimi K1.5vsGrok 4.6Claude 2.1vsDeepSeek-V4-Pro-0813Kimi K1.5vsDeepSeek-V4-Pro-0813Claude 2.1vsMistral Medium 3.5Kimi K1.5vsMistral Medium 3.5