Claude Fable 5.1 (Low, Default Fallback) vs Kimi K2.6 (Reasoning)
Which is better for the money: Claude Fable 5.1 (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 2026-10-26.
Trade-off
Verdict
Depends on your budget
Claude Fable 5.1 (Low, Default Fallback) scores 19.8 points higher (46.8 vs 27.0) but costs 2.1× as much to run the benchmark ($3158 vs $1528; flagship vs premium cost classes). Pick Claude Fable 5.1 (Low, Default Fallback) when the extra intelligence is worth the premium, otherwise Kimi K2.6 (Reasoning).
| Metric | Claude Fable 5.1 (Low, Default Fallback) | Kimi K2.6 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 46.8 | 27.0 | −42.3% Kimi K2.6 (Reasoning) is 42.3% less intelligent |
| Total AA cost (lower is better) | $3,157.66 | $1,528.20 | −51.6% Kimi K2.6 (Reasoning) is 51.6% cheaper |
| End-to-end time (lower is better) | 10.60s | 54.31s | +412.4% Kimi K2.6 (Reasoning) is 412.4% slower |
| 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 (Low, Default Fallback): 42.3% less intelligence, 51.6% less cost to run the AA benchmark, and 412.4% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.1 (Low, Default Fallback) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- 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 Fable 5.1 (Low, Default Fallback)Kimi K2.6 (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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