Claude Sonnet 5 (Adaptive Reasoning, Low Effort) vs Kimi K2.7 Code
Which is better for the money: Claude Sonnet 5 (Adaptive Reasoning, Low Effort) by Anthropic or Kimi K2.7 Code by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-09-09.
Trade-off
Verdict
Depends on your budget
Kimi K2.7 Code scores 1.6 points higher (26.3 vs 24.7) but costs 1.5× as much to run the benchmark ($993 vs $653; both premium class). Pick Kimi K2.7 Code when the extra intelligence is worth the premium, otherwise Claude Sonnet 5 (Adaptive Reasoning, Lo….
| Metric | Claude Sonnet 5 (Adaptive Reasoning, Low Effort) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.7 | 26.3 | +6.5% Kimi K2.7 Code is 6.5% more intelligent |
| Total AA cost (lower is better) | $652.70 | $992.88 | +52.1% Kimi K2.7 Code is 52.1% more expensive |
| End-to-end time (lower is better) | 9.40s | 41.22s | +338.5% Kimi K2.7 Code is 338.5% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Kimi K2.7 Code vs Claude Sonnet 5 (Adaptive Reasoning, Low Effort): 6.5% more intelligence, 52.1% more cost to run the AA benchmark, and 338.5% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (low) is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
Claude Sonnet 5 (Adaptive Reasoning, Low Effort)Kimi K2.7 CodeToday's Pareto frontierOpen-weights frontierEvery other model
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