Claude Fable 5.1 (Xhigh, Default Fallback) vs Kimi K2.6 (Reasoning)
Which is better for the money: Claude Fable 5.1 (Xhigh, 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 2026-10-26.
Depends on your budget
Claude Fable 5.1 (Xhigh, Default Fallba… scores 26.2 points higher (53.2 vs 27.0) but costs 5.9× as much to run the benchmark ($9063 vs $1528; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (Xhigh, Default Fallba… when you need intelligence above 27.0, and Kimi K2.6 (Reasoning) when 27.0 is enough.
| Metric | Claude Fable 5.1 (Xhigh, Default Fallback) | Kimi K2.6 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.2 | 27.0 | −49.2% Kimi K2.6 (Reasoning) is 49.2% less intelligent |
| Total AA cost (lower is better) | $9,063.11 | $1,528.20 | −83.1% Kimi K2.6 (Reasoning) is 83.1% cheaper |
| End-to-end time (lower is better) | 86.63s | 54.27s | −37.4% Kimi K2.6 (Reasoning) is 37.4% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Kimi K2.6 (Reasoning) vs Claude Fable 5.1 (Xhigh, Default Fallback): 49.2% less intelligence, 83.1% less cost to run the AA benchmark, and 37.4% faster end-to-end.
Against the frontier
- Claude Fable 5.1 (Xhigh, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Max, Default Fallback) scores 57.60 for $8708.
- Kimi K2.6 (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-1-xhigh/kimi-k2-6 · Markdown: /api/v1/compare/claude-fable-5-1-xhigh/kimi-k2-6?format=md · llms.txt · agent skill