Claude Fable 5.1 (Max, Default Fallback) vs Muse Spark 1.3 (Max)

Which is better for the money: Claude Fable 5.1 (Max, Default 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 2026-10-26.

Trade-off

AnthropicClaude Fable 5.1 (Max, Default Fallback)Off the frontier

Intelligence: 53.40
Total cost: $13129

MetaMuse Spark 1.3 (Max)Off the frontier

Intelligence: 48.10
Total cost: $2000

Verdict

Depends on your budget

Claude Fable 5.1 (Max, Default Fallback) scores 5.3 points higher (53.4 vs 48.1) but costs 6.6× as much to run the benchmark ($13129 vs $2000; both flagship class). They are not alternatives at one budget: pick Claude Fable 5.1 (Max, Default Fallback) when you need intelligence above 48.1, and Muse Spark 1.3 (Max) when 48.1 is enough.

Metric	Claude Fable 5.1 (Max, Default Fallback)	Muse Spark 1.3 (Max)	Difference
Intelligence (higher is better)	53.4	48.1	−9.9% Muse Spark 1.3 (Max) is 9.9% less intelligent
Total AA cost (lower is better)	$13,128.86	$2,000.35	−84.8% Muse Spark 1.3 (Max) is 84.8% cheaper
End-to-end time (lower is better)	201.58s	63.86s	−68.3% Muse Spark 1.3 (Max) is 68.3% faster
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 5.1 (Max, Default Fallback): 9.9% less intelligence, 84.8% less cost to run the AA benchmark, and 68.3% faster end-to-end.

Open this matchup in the interactive picker Claude Fable 5.1 (Max, Default Fallback): what beats it Muse Spark 1.3 (Max): what beats it

Today's Pareto frontier

Against the frontier

Claude Fable 5.1 (Max, Default 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 5.1 (Max, Default Fallback)Muse Spark 1.3 (Max)Today'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/muse-spark-1-3 · Markdown: /api/v1/compare/claude-fable-5-1/muse-spark-1-3?format=md · llms.txt · agent skill