Claude Opus 5.5 (Low, Default Fallback) vs Kimi K2.6 (Reasoning)
Which is better for the money: Claude Opus 5.5 (Low, Default Fallback) by Anthropic or Kimi K2.6 (Reasoning) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick Claude Opus 5.5 (Low, Default Fallback)
Kimi K2.6 (Reasoning) vs Claude Opus 5.5 (Low, Default Fallback): 36.2% less intelligence, 77.6% more cost to run the AA benchmark, and 385.8% slower end-to-end.
| Metric | Claude Opus 5.5 (Low, Default Fallback) | Kimi K2.6 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.3 | 27.0 | −36.2% Kimi K2.6 (Reasoning) is 36.2% less intelligent |
| Total AA cost (lower is better) | $860.33 | $1,528.20 | +77.6% Kimi K2.6 (Reasoning) is 77.6% more expensive |
| End-to-end time (lower is better) | 13.42s | 65.20s | +385.8% Kimi K2.6 (Reasoning) is 385.8% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Kimi K2.6 (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Opus 5.5 (Low, Default Fallback)Kimi K2.6 (Reasoning)Today'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-5-5-low/kimi-k2-6 · Markdown: /api/v1/compare/claude-opus-5-5-low/kimi-k2-6?format=md · llms.txt · agent skill