Claude Fable 5.1 (High, Default Fallback) vs Beam 1.0
Which is better for the money: Claude Fable 5.1 (High, Default Fallback) by Anthropic or Beam 1.0 by Reflection? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Claude Fable 5.1 (High, Default Fallbac… scores 20.9 points higher (51.2 vs 30.3) but costs 16× as much to run the benchmark ($5242 vs $319; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (High, Default Fallbac… when you need intelligence above 30.3, and Beam 1.0 when 30.3 is enough.
| Metric | Claude Fable 5.1 (High, Default Fallback) | Beam 1.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 51.2 | 30.3 | −40.8% Beam 1.0 is 40.8% less intelligent |
| Total AA cost (lower is better) | $5,241.59 | $318.73 | −93.9% Beam 1.0 is 93.9% cheaper |
| End-to-end time (lower is better) | 25.04s | 7.79s | −68.9% Beam 1.0 is 68.9% faster |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $0.40 / $1.20 | |
| Input modalities | Text, Image | Text |
Beam 1.0 vs Claude Fable 5.1 (High, Default Fallback): 40.8% less intelligence, 93.9% less cost to run the AA benchmark, and 68.9% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.1 (High, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
- Beam 1.0 is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude Fable 5.1 (High, Default Fallback)Beam 1.0Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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