Claude Opus 5 (Adaptive Reasoning, Low Effort) vs Kimi K2.7 Code
Which is better for the money: Claude Opus 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
Claude Opus 5 (Adaptive Reasoning, Low … scores 13.5 points higher (39.8 vs 26.3) but costs 1.6× as much to run the benchmark ($1561 vs $993; both premium class). Pick Claude Opus 5 (Adaptive Reasoning, Low … when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| Metric | Claude Opus 5 (Adaptive Reasoning, Low Effort) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.8 | 26.3 | −33.9% Kimi K2.7 Code is 33.9% less intelligent |
| Total AA cost (lower is better) | $1,560.91 | $992.88 | −36.4% Kimi K2.7 Code is 36.4% cheaper |
| End-to-end time (lower is better) | 11.80s | 41.22s | +249.3% Kimi K2.7 Code is 249.3% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Kimi K2.7 Code vs Claude Opus 5 (Adaptive Reasoning, Low Effort): 33.9% less intelligence, 36.4% less cost to run the AA benchmark, and 249.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (low) is off the frontier: at the same or lower cost, GPT-6 Astra (low) scores 46.00 for $1537.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
Claude Opus 5 (Adaptive Reasoning, Low Effort)Kimi K2.7 CodeToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-low/kimi-k2-7-code · Markdown: /api/v1/compare/claude-opus-5-low/kimi-k2-7-code?format=md · llms.txt · agent skill