Claude Sonnet 5 (Medium) vs Kimi K2.7 Code
Which is better for the money: Claude Sonnet 5 (Medium) by Anthropic or Kimi K2.7 Code by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Claude Sonnet 5 (Medium) scores 2.3 points higher (28.1 vs 25.8) but costs 1.2× as much to run the benchmark ($1218 vs $993; both premium class). Pick Claude Sonnet 5 (Medium) when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| Metric | Claude Sonnet 5 (Medium) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 28.1 | 25.8 | −8.2% Kimi K2.7 Code is 8.2% less intelligent |
| Total AA cost (lower is better) | $1,218.17 | $992.88 | −18.5% Kimi K2.7 Code is 18.5% cheaper |
| End-to-end time (lower is better) | 9.02s | 46.75s | +418.3% Kimi K2.7 Code is 418.3% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Kimi K2.7 Code vs Claude Sonnet 5 (Medium): 8.2% less intelligence, 18.5% less cost to run the AA benchmark, and 418.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Claude Sonnet 5 (Medium)Kimi K2.7 CodeToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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