Claude Fable 5.1 (Xhigh, Default Fallback) vs Mistral Large 3

Which is better for the money: Claude Fable 5.1 (Xhigh, Default Fallback) by Anthropic or Mistral Large 3 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.

Trade-off

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

Intelligence: 53.20
Total cost: $9063

MistralMistral Large 3Off the frontier

Intelligence: 9.30
Total cost: $46.4

Verdict

Depends on your budget

Claude Fable 5.1 (Xhigh, Default Fallba… scores 43.9 points higher (53.2 vs 9.3) but costs 195× as much to run the benchmark ($9063 vs $46.4; flagship vs budget cost classes). They are not alternatives at one budget: pick Claude Fable 5.1 (Xhigh, Default Fallba… when you need intelligence above 9.3, and Mistral Large 3 when 9.3 is enough.

Metric	Claude Fable 5.1 (Xhigh, Default Fallback)	Mistral Large 3	Difference
Intelligence (higher is better)	53.2	9.3	−82.5% Mistral Large 3 is 82.5% less intelligent
Total AA cost (lower is better)	$9,063.11	$46.41	−99.5% Mistral Large 3 is 99.5% cheaper
End-to-end time (lower is better)	86.63s	6.94s	−92.0% Mistral Large 3 is 92.0% faster
Price per 1M tokens (in / out)	$10.0 / $50.0	$0.50 / $1.50
Input modalities	Text, Image	Text, Image

Mistral Large 3 vs Claude Fable 5.1 (Xhigh, Default Fallback): 82.5% less intelligence, 99.5% less cost to run the AA benchmark, and 92.0% faster end-to-end.

Open this matchup in the interactive picker Claude Fable 5.1 (Xhigh, Default Fallback): what beats it Mistral Large 3: what beats it

Today's Pareto frontier

Against the frontier

Claude Fable 5.1 (Xhigh, Default Fallback) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Max, Default Fallback) scores 57.60 for $8708.
Mistral Large 3 is off the frontier: at the same or lower cost, GPT-6 Luna (Medium) scores 29.90 for $31.2.

Claude Fable 5.1 (Xhigh, Default Fallback)Mistral Large 3Today'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-xhigh/mistral-large-3 · Markdown: /api/v1/compare/claude-fable-5-1-xhigh/mistral-large-3?format=md · llms.txt · agent skill