# Claude Haiku 4.5 vs Claude Opus 5

As of Oct 14, 2026, Claude Haiku 4.5 leads Claude Opus 5 in 0 of 7 shared categories.

Claude Haiku 4.5: $2.0000000000000004 per 1M blended tokens.

Claude Opus 5: $10 per 1M blended tokens.

Claude Haiku 4.5: closed weights.

Claude Opus 5: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Opus 5 leads Claude Haiku 4.5 in General LLM at #11 against #104.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Opus 5 leads Claude Haiku 4.5 in Reasoning at #9 against #91.
- Which to pick, Science: As of Oct 14, 2026, Claude Opus 5 leads Claude Haiku 4.5 in Science at #12 against #109.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Claude Opus 5 leads Claude Haiku 4.5 in Coding › Web dev at #6 against #92.
- Which to pick, Long context: As of Oct 14, 2026, Claude Opus 5 leads Claude Haiku 4.5 in Long context at #9 against #84.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Opus 5 leads Claude Haiku 4.5 in Factuality at #4 against #97.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5 leads Claude Haiku 4.5 in Abstraction (ARC) at #3 against #78.

As of Oct 14, 2026, Claude Haiku 4.5 is ranked #78 in Abstraction (ARC) (since Oct 14, 2026; sources ARC-AGI; methodology v1.0).

As of Oct 14, 2026, Claude Opus 5 is near state of the art, rank #4 in Factuality (since Oct 14, 2026; sources LMArena Text factuality; methodology v1.0).