Claude Fable 5.1 (Xhigh, Default Fallback) vs Kimi K3.1 Pro
Which is better for the money: Claude Fable 5.1 (Xhigh, Default Fallback) by Anthropic or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick Kimi K3.1 Pro
Kimi K3.1 Pro vs Claude Fable 5.1 (Xhigh, Default Fallback): 3.6% more intelligence, 65.6% less cost to run the AA benchmark, and 51.9% faster end-to-end.
| Metric | Claude Fable 5.1 (Xhigh, Default Fallback) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.2 | 55.1 | +3.6% Kimi K3.1 Pro is 3.6% more intelligent |
| Total AA cost (lower is better) | $9,063.11 | $3,117.31 | −65.6% Kimi K3.1 Pro is 65.6% cheaper |
| End-to-end time (lower is better) | 108.69s | 52.29s | −51.9% Kimi K3.1 Pro is 51.9% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
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 K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
Claude Fable 5.1 (Xhigh, Default Fallback)Kimi K3.1 ProToday's Pareto frontierEvery other model
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