Claude Sonnet 5 vs Kimi K2.6

Price, context window & benchmark comparison

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Claude Sonnet 5

Anthropic
$2.00 / $10.00
Input / Output · per 1M tokens
VS
M

Kimi K2.6

Moonshot AI
$0.95 / $4.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Kimi K2.6 is 2.3× cheaper than Claude Sonnet 5 on a typical 3:1 input/output mix. Claude Sonnet 5 scores higher on the Artificial Analysis Intelligence Index (38.2 vs 27). Claude Sonnet 5 has the larger context window (1M vs 262K).
Claude Sonnet 5Kimi K2.6
Input price / 1M$2.00$0.95
Output price / 1M$10.00$4.00
Blended price (3:1)$4.00$1.71
Cached input / 1M$0.20$0.16
Context window1M262K
Max output128K236K
Intelligence index38.227
Coding index71.561.8
Providers1022
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-06-302026-04-20
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Sonnet 5 or Kimi K2.6?

Kimi K2.6 is 2.3× cheaper than Claude Sonnet 5 on a typical 3:1 input/output mix.

Claude Sonnet 5 vs Kimi K2.6: which has a bigger context window?

Claude Sonnet 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 Sonnet 5 ≈ $9,000, Kimi K2.6 ≈ $3,900.

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