Claude 3.7 Sonnet vs Kimi K3
Both have similar output pricing, while Kimi K3 offers a larger context window. Choose Claude 3.7 Sonnet or Kimi K3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude 3.7 Sonnet | Kimi K3 |
|---|---|---|
| Provider | Helicone | MoonshotAI |
| Input / 1M tokens | $3.00 | $0.45 |
| Output / 1M tokens | $15.00 | $15.00 |
| Context window | 200K | 1M |
| Parameters | — | — |
| Open weights | No | — |
| Released | Feb 2025 | — |
| SWE-bench Verified score | 70.4 | — |
| Aider Polyglot score | 64.9 | — |
| SWE-bench Multimodal score | 31.3 | — |
| LMArena (Chatbot Arena) Elo score | 1314 | 1476 |
| LMArena Vision Elo score | 1169 | — |
| GPQA Diamond score | 78.5 | 93.1 |
| FrontierMath score | 4.1 | — |
| Epoch Capabilities Index score | 141 | 157 |
| LMArena WebDev Elo score | — | 1655 |
FAQ
Is Claude 3.7 Sonnet or Kimi K3 cheaper?
Claude 3.7 Sonnet and Kimi K3 have comparable output pricing.
Which has the larger context window, Claude 3.7 Sonnet or Kimi K3?
Kimi K3 has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.