Claude Fable 5 (Max, Opus 4.8 Fallback) vs Muse Spark 1.3 (Max)
Which is better for the money: Claude Fable 5 (Max, Opus 4.8 Fallback) by Anthropic or Muse Spark 1.3 (Max) by Meta? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Claude Fable 5 (Max, Opus 4.8 Fallback) scores 1.5 points higher (49.6 vs 48.1) but costs 5.6× as much to run the benchmark ($11161 vs $2000; both flagship class). They are not alternatives at one budget: pick Claude Fable 5 (Max, Opus 4.8 Fallback) when you need intelligence above 48.1, and Muse Spark 1.3 (Max) when 48.1 is enough.
| Metric | Claude Fable 5 (Max, Opus 4.8 Fallback) | Muse Spark 1.3 (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 49.6 | 48.1 | −3.0% Muse Spark 1.3 (Max) is 3.0% less intelligent |
| Total AA cost (lower is better) | $11,160.86 | $2,000.35 | −82.1% Muse Spark 1.3 (Max) is 82.1% cheaper |
| End-to-end time (lower is better) | 71.92s | 84.79s | +17.9% Muse Spark 1.3 (Max) is 17.9% slower |
| Price per 1M tokens (in / out) | $10.0 / $50.0 | $1.25 / $4.25 | |
| Input modalities | Text, Image | Text, Image, Video |
Muse Spark 1.3 (Max) vs Claude Fable 5 (Max, Opus 4.8 Fallback): 3.0% less intelligence, 82.1% less cost to run the AA benchmark, and 17.9% slower end-to-end.
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.
- Muse Spark 1.3 (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Fable 5 (Max, Opus 4.8 Fallback)Muse Spark 1.3 (Max)Today's Pareto frontierEvery other model
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