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Claude Sonnet 5 vs Kimi K2.7 Code

Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.

Tale of the tape

Head-to-head specs pulled from each model profile.

Metric Claude Sonnet 5 Kimi K2.7 Code
Input cost / 1M $2.00 $0.95
Output cost / 1M $10.00 $4.00
Context window 1,000,000 tokens 262,144 tokens
MMLU score

Cost verdict

Enter monthly input and output volumes to see total cost savings.

Claude Sonnet 5

Input: 1M × $2.00 = $2.00
Output: 1M × $10.00 = $10.00
Total
$12.00

Kimi K2.7 Code

Input: 1M × $0.95 = $0.95
Output: 1M × $4.00 = $4.00
Total
$4.95

Total cost savings

$7.05

Kimi K2.7 Code saves $7.05 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. Claude Sonnet 5 is the premium route (higher combined per-1M cost); Kimi K2.7 Code handles routine traffic.

Premium model

Claude Sonnet 5

$2.00 in · $10.00 out / 1M

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Economical model

Kimi K2.7 Code

$0.95 in · $4.00 out / 1M

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All premium

Claude Sonnet 5

$600.00

100% of input and output on the premium route

Routed stack

80%Kimi K2.7 Code

Claude Sonnet 5

$318.00

Routine slice
$198.00
Premium slice
$120.00

Monthly savings

$282.00

47% lower

Rates pulled from this page's model database entries (claude-sonnet-5, kimi-k2-7-code) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.

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