Claude Opus 5 vs Kimi K2.6
Price, context window & benchmark comparison
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Verdict: Kimi K2.6 is 5.8× cheaper than Claude Opus 5 on a typical 3:1 input/output mix. Claude Opus 5 scores higher on the Artificial Analysis Intelligence Index (50.8 vs 27). Claude Opus 5 has the larger context window (1M vs 262K).
| Claude Opus 5 | Kimi K2.6 | |
|---|---|---|
| Input price / 1M | $5.00 | $0.95 |
| Output price / 1M | $25.00 | $4.00 |
| Blended price (3:1) | $10.00 | $1.71 |
| Cached input / 1M | $0.50 | $0.16 |
| Context window | 1M | 262K |
| Max output | 128K | 236K |
| Intelligence index | 50.8 | 27 |
| Coding index | 78 | 61.8 |
| Providers | 11 | 22 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-07-24 | 2026-04-20 |
| Retirement | — | — |
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FAQ
Which is cheaper, Claude Opus 5 or Kimi K2.6?
Kimi K2.6 is 5.8× cheaper than Claude Opus 5 on a typical 3:1 input/output mix.
Claude Opus 5 vs Kimi K2.6: which has a bigger context window?
Claude Opus 5: 1,000,000 tokens. Kimi K2.6: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Opus 5 ≈ $22,500, Kimi K2.6 ≈ $3,900.
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