Claude Opus 5.5 (High, Default Fallback) vs Kimi K2.7 Code
Which is better for the money: Claude Opus 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 Opus 5.5 (High, Default Fallback) scores 27.8 points higher (53.6 vs 25.8) but costs 2.2× as much to run the benchmark ($2172 vs $993; flagship vs premium cost classes). Pick Claude Opus 5.5 (High, Default Fallback) when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| Metric | Claude Opus 5.5 (High, Default Fallback) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.6 | 25.8 | −51.9% Kimi K2.7 Code is 51.9% less intelligent |
| Total AA cost (lower is better) | $2,172.43 | $992.88 | −54.3% Kimi K2.7 Code is 54.3% cheaper |
| End-to-end time (lower is better) | 33.81s | 46.75s | +38.3% Kimi K2.7 Code is 38.3% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Kimi K2.7 Code vs Claude Opus 5.5 (High, Default Fallback): 51.9% less intelligence, 54.3% less cost to run the AA benchmark, and 38.3% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (High, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- 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 Opus 5.5 (High, Default Fallback)Kimi K2.7 CodeToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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