kimi-k2-0905-preview vs Kimi K2 Instruct
kimi-k2-0905-preview is cheaper on output tokens, while kimi-k2-0905-preview offers a larger context window. Choose kimi-k2-0905-preview or Kimi K2 Instruct based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | kimi-k2-0905-preview | Kimi K2 Instruct |
|---|---|---|
| Provider | 302.AI | Cortecs |
| Input / 1M tokens | $0.63 | $0.55 |
| Output / 1M tokens | $2.53 | $2.65 |
| Context window | 262K | 131K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Sep 2025 | Jul 2025 |
| SWE-bench Verified score | 71.2 | 53.4 |
| LMArena (Chatbot Arena) Elo score | 1380 | — |
FAQ
Is kimi-k2-0905-preview or Kimi K2 Instruct cheaper?
kimi-k2-0905-preview is cheaper on output tokens ($2.53 vs $2.65 per 1M).
Which has the larger context window, kimi-k2-0905-preview or Kimi K2 Instruct?
kimi-k2-0905-preview has the larger context window (262K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.