Claude Fable 5.1 (Medium, Default Fallback) vs Kimi K3.1 Pro
Which is better for the money: Claude Fable 5.1 (Medium, 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 2026-10-24.
Clear winner
Verdict
Pick Kimi K3.1 Pro
Kimi K3.1 Pro vs Claude Fable 5.1 (Medium, Default Fallback): 12.7% more intelligence, 21.7% less cost to run the AA benchmark, and 224.0% slower end-to-end.
| Metric | Claude Fable 5.1 (Medium, Default Fallback) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 48.9 | 55.1 | +12.7% Kimi K3.1 Pro is 12.7% more intelligent |
| Total AA cost (lower is better) | $3,983.28 | $3,117.31 | −21.7% Kimi K3.1 Pro is 21.7% cheaper |
| End-to-end time (lower is better) | 13.16s | 42.64s | +224.0% Kimi K3.1 Pro is 224.0% slower |
| 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 (Medium, Default Fallback) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
Claude Fable 5.1 (Medium, Default Fallback)Kimi K3.1 ProToday's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-1-medium/kimi-k3-1-pro · Markdown: /api/v1/compare/claude-fable-5-1-medium/kimi-k3-1-pro?format=md · llms.txt · agent skill