# Claude Opus 4.6 vs Claude Opus 4.8

As of Oct 15, 2026, Claude Opus 4.6 leads Claude Opus 4.8 in 4 of 6 shared categories: General LLM, Reasoning, Long context, and Factuality.

Claude Opus 4.6: $10 per 1M blended tokens.

Claude Opus 4.8: $10 per 1M blended tokens.

Claude Opus 4.6: closed weights.

Claude Opus 4.8: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Opus 4.8 in General LLM at #4 against #21.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Opus 4.8 in Reasoning at #2 against #10.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 4.8 leads Claude Opus 4.6 in Science at #27 against #32.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.8 leads Claude Opus 4.6 in Coding › Web dev at #35 against #37.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Opus 4.8 in Long context at #2 against #10.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Opus 4.8 in Factuality at #3 against #24.

As of Oct 15, 2026, Claude Opus 4.6 is near state of the art, rank #2 in Reasoning (since Oct 15, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, Claude Opus 4.8 is a former state-of-the-art holder in Coding › Web dev (since Jun 5, 2026; sources LMArena WebDev; methodology v1.0).