Claude Sonnet 5.5 (High, Default Fallback) vs Kimi K2.7 Code
Which is better for the money: Claude Sonnet 5.5 (High, 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 (High, Default Fallba… scores 21.0 points higher (46.8 vs 25.8) but costs 1.0× as much to run the benchmark ($1027 vs $993; both premium class). Pick Claude Sonnet 5.5 (High, Default Fallba… when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| Metric | Claude Sonnet 5.5 (High, Default Fallback) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 46.8 | 25.8 | −44.9% Kimi K2.7 Code is 44.9% less intelligent |
| Total AA cost (lower is better) | $1,027.40 | $992.88 | −3.4% Kimi K2.7 Code is 3.4% cheaper |
| End-to-end time (lower is better) | 14.89s | 46.75s | +214.0% Kimi K2.7 Code is 214.0% 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 5.5 (High, Default Fallback): 44.9% less intelligence, 3.4% less cost to run the AA benchmark, and 214.0% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5.5 (High, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- 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 (High, Default Fallback)Kimi K2.7 CodeToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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