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Anthropic

Claude Fable 5 benchmarks, ranks and price

Where Artificial Analysis, LiveBench, LMArena and Berkeley BFCL place Claude Fable 5, what it costs through OpenRouter and Vercel AI Gateway, and the models either side of it on the consensus.

Updated Oct 1, 2026Full leaderboardSources and method

Read Oct 1, 2026

#1of 85

on the LLM leaderboard, with a consensus score of 85 across 3 leaderboards.

Source: Artificial Analysis, LiveBench, LMArena and Berkeley BFCL, combined by Rank.ai.

By leaderboard

Where each leaderboard places Claude Fable 5

Artificial Analysis

#2of 51

Score 49.6. Best run: anthropic/claude-fable-5.

Intelligence Index: a composite of reasoning, knowledge, maths and coding evaluations.

LiveBench

#4of 34

Score 79.5. Best run: Claude Fable 5 xHigh Effort.

Contamination-limited questions refreshed each release: reasoning, maths, coding, data analysis, language.

LMArena

#1of 79

Score 1507. Best run: claude-fable-5.

Blind head-to-head human votes, style controlled.

Berkeley BFCL

Not measured by Berkeley BFCL.

Function calling and tool use, single turn to multi turn and web search.

Price and context

$20

OpenRouter: $10 in, $50 out. Vercel AI Gateway: $10 in, $50 out Context window 1M tokens. LiveBench cost per solved task $0.811.

Nearby

The models either side of Claude Fable 5

  1. #1Claude Fable 585
  2. #2Claude Opus 583
  3. #3GPT-5.6 Sol83
  4. #4Kimi K380

Questions about Claude Fable 5

How good is Claude Fable 5?
Claude Fable 5 ranks #1 of 85 models on the Rank.ai LLM leaderboard, with a consensus score of 85 out of 100 across 3 leaderboards.
Is Claude Fable 5 better than Claude Opus 5?
On the consensus, yes: 85 to 83.
How much does Claude Fable 5 cost?
$10 per million input tokens and $50 per million output tokens on OpenRouter, the cheaper listing we read. Blended at three input tokens to one output, that is $20 per million.
Is Claude Fable 5 good for coding?
It scores 76.5 on the Artificial Analysis Coding Index, placing it #4 for coding among the models on this leaderboard.

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