Claude Sonnet 5.5 (Max, Default Fallback) vs Kimi K2.7 Code
Which is better for the money: Claude Sonnet 5.5 (Max, Default Fallback) 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 5.5 (Max, Default Fallbac… scores 30.2 points higher (56.0 vs 25.8) but costs 7.3× as much to run the benchmark ($7260 vs $993; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Sonnet 5.5 (Max, Default Fallbac… when you need intelligence above 25.8, and Kimi K2.7 Code when 25.8 is enough.
| Metric | Claude Sonnet 5.5 (Max, Default Fallback) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.0 | 25.8 | −53.9% Kimi K2.7 Code is 53.9% less intelligent |
| Total AA cost (lower is better) | $7,259.50 | $992.88 | −86.3% Kimi K2.7 Code is 86.3% cheaper |
| End-to-end time (lower is better) | 360.53s | 46.75s | −87.0% Kimi K2.7 Code is 87.0% faster |
| 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 5.5 (Max, Default Fallback): 53.9% less intelligence, 86.3% less cost to run the AA benchmark, and 87.0% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5.5 (Max, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- 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 5.5 (Max, Default Fallback)Kimi K2.7 CodeToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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