# Claude Fable 5 vs Claude Opus 4.1

As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.1 in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.

Claude Fable 5: $20 per 1M blended tokens.

Claude Opus 4.1: $29.999999999999996 per 1M blended tokens.

Claude Fable 5: closed weights.

Claude Opus 4.1: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.1 in General LLM at #3 against #73.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.1 in Reasoning at #3 against #60.
- Which to pick, Science: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.1 in Science at #56 against #83.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.1 in Coding › Web dev at #19 against #84.
- Which to pick, Long context: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.1 in Long context at #3 against #52.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.1 in Factuality at #7 against #93.

As of Oct 15, 2026, Claude Fable 5 is near state of the art, rank #3 in General LLM (since Oct 15, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, Claude Opus 4.1 is a former state-of-the-art holder in General LLM (since Aug 18, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).