# Claude Opus 4.7 vs Claude Opus 5.5

As of Oct 15, 2026, Claude Opus 4.7 leads Claude Opus 5.5 in 0 of 8 shared categories.

Claude Opus 4.7: $10 per 1M blended tokens.

Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.

Claude Opus 4.7: closed weights.

Claude Opus 5.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in General LLM at #2 against #5.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Reasoning at #1 against #4.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Science at #31 against #34.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Coding › Web dev at #1 against #34.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Long context at #1 against #4.
- Which to pick, Vision: As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Vision at #4 against #20.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Factuality at #1 against #13.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Claude Opus 5.5 leads Claude Opus 4.7 in Abstraction (ARC) at #1 against #11.

As of Oct 15, 2026, Claude Opus 4.7 is near state of the art, rank #4 in Reasoning (since Oct 15, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, Claude Opus 5.5 is tied for state of the art in Reasoning (since Oct 2, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).