Claude Fable 5.1 (Low, Default Fallback) vs Muse Glimmer (High)

Which is better for the money: Claude Fable 5.1 (Low, Default Fallback) by Anthropic or Muse Glimmer (High) 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 (Low, Default Fallback)Off the frontier

Intelligence: 46.80
Total cost: $3158

MetaMuse Glimmer (High)Off the frontier

Intelligence: 17.50
Total cost: $146

Verdict

Depends on your budget

Claude Fable 5.1 (Low, Default Fallback) scores 29.3 points higher (46.8 vs 17.5) but costs 22× as much to run the benchmark ($3158 vs $146; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (Low, Default Fallback) when you need intelligence above 17.5, and Muse Glimmer (High) when 17.5 is enough.

Metric	Claude Fable 5.1 (Low, Default Fallback)	Muse Glimmer (High)	Difference
Intelligence (higher is better)	46.8	17.5	−62.6% Muse Glimmer (High) is 62.6% less intelligent
Total AA cost (lower is better)	$3,157.66	$145.77	−95.4% Muse Glimmer (High) is 95.4% cheaper
End-to-end time (lower is better)	10.73s	25.09s	+133.8% Muse Glimmer (High) is 133.8% slower
Price per 1M tokens (in / out)	$10.0 / $50.0	$0.30 / $1.20
Input modalities	Text, Image	Text, Image

Muse Glimmer (High) vs Claude Fable 5.1 (Low, Default Fallback): 62.6% less intelligence, 95.4% less cost to run the AA benchmark, and 133.8% slower end-to-end.

Open this matchup in the interactive picker Claude Fable 5.1 (Low, Default Fallback): what beats it Muse Glimmer (High): what beats it

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.
Muse Glimmer (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.

Claude Fable 5.1 (Low, Default Fallback)Muse Glimmer (High)Today's Pareto frontierOpen-weights 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-low/muse-glimmer · Markdown: /api/v1/compare/claude-fable-5-1-low/muse-glimmer?format=md · llms.txt · agent skill