Claude Opus 5 (Adaptive Reasoning, Medium Effort) vs Kimi K2.7 Code
Which is better for the money: Claude Opus 5 (Adaptive Reasoning, Medium 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 2026-08-19.
Trade-off
Verdict
Depends on your budget
Claude Opus 5 (Adaptive Reasoning, Medi… scores 15.6 points higher (58.6 vs 43.0) but costs 2.0× as much to run the benchmark ($1116 vs $545; both premium class). Pick Claude Opus 5 (Adaptive Reasoning, Medi… when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| Metric | Claude Opus 5 (Adaptive Reasoning, Medium Effort) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 58.6 | 43.0 | −26.6% Kimi K2.7 Code is 26.6% less intelligent |
| Total AA cost (lower is better) | $1,116.24 | $544.58 | −51.2% Kimi K2.7 Code is 51.2% cheaper |
| End-to-end time (lower is better) | 16.10s | 75.91s | +371.5% Kimi K2.7 Code is 371.5% 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, Medium Effort): 26.6% less intelligence, 51.2% less cost to run the AA benchmark, and 371.5% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (medium) is off the frontier: at the same or lower cost, Grok 4.6 (high) scores 60.90 for $1068.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, Gemini 3.7 Flash (high) scores 56.00 for $485.
Claude Opus 5 (Adaptive Reasoning, Medium 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-medium/kimi-k2-7-code · Markdown: /api/v1/compare/claude-opus-5-medium/kimi-k2-7-code?format=md · llms.txt · agent skill