Claude Fable 5 (Max, Opus 4.8 Fallback) vs Kimi K3.1 Pro
Which is better for the money: Claude Fable 5 (Max, Opus 4.8 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 2026-10-24.
Clear winner
Verdict
Pick Kimi K3.1 Pro
Kimi K3.1 Pro vs Claude Fable 5 (Max, Opus 4.8 Fallback): 11.1% more intelligence, 72.1% less cost to run the AA benchmark, and 40.7% faster end-to-end.
| Metric | Claude Fable 5 (Max, Opus 4.8 Fallback) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.6 | 55.1 | +11.1% Kimi K3.1 Pro is 11.1% more intelligent |
| Total AA cost (lower is better) | $11,160.86 | $3,117.31 | −72.1% Kimi K3.1 Pro is 72.1% cheaper |
| End-to-end time (lower is better) | 71.92s | 42.64s | −40.7% Kimi K3.1 Pro is 40.7% 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 (Max, Opus 4.8 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 (Max, Opus 4.8 Fallback)Kimi K3.1 ProToday's Pareto frontierEvery other model
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