Claude Haiku 4.5 vs Kimi K2
Kimi K2 leads in 3 of 8 categories
Arena ELO
Kimi K2
Cheaper
Kimi K2
Faster
Claude Haiku 4.5
Detailed Comparison
| Category | Claude Haiku 4.5 | Kimi K2 |
|---|---|---|
| Provider | Anthropic | Moonshot |
| Context Window | 200K WIN | 128K |
| Input Price ($/1M) | $0.8 | $0.55 WIN |
| Output Price ($/1M) | $4 | $2.2 WIN |
| Arena ELO | 1290 | 1380 WIN |
| Coding | unknown | 65.8% SWE-bench |
| Reasoning | unknown | 60.2% BrowseComp |
| Speed (tokens/sec) | ~120 t/s WIN | ~50 t/s |
| Open Source | No | Yes |
Frequently Asked Questions
Which is cheaper, Claude Haiku 4.5 or Kimi K2?
Kimi K2 is approximately 43% cheaper than Claude Haiku 4.5 per million tokens.
Which is better for coding, Claude Haiku 4.5 or Kimi K2?
Claude Haiku 4.5 scores unknown on coding benchmarks, while Kimi K2 scores 65.8% SWE-bench.
Which has a larger context window?
Claude Haiku 4.5 supports 200K context, while Kimi K2 supports 128K.
Is Claude Haiku 4.5 or Kimi K2 open source?
Claude Haiku 4.5 is proprietary. Kimi K2 is open source.
Which ranks higher on the Chatbot Arena leaderboard?
Kimi K2 ranks higher with ELO 1380 vs 1290.
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