# Claude Opus 5.5 vs GLM 4.7

As of Oct 15, 2026, Claude Opus 5.5 leads GLM 4.7 in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.

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

GLM 4.7: $1 per 1M blended tokens.

Claude Opus 5.5: closed weights.

GLM 4.7: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 5.5 leads GLM 4.7 in General LLM at #2 against #86.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 5.5 leads GLM 4.7 in Reasoning at #1 against #83.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 5.5 leads GLM 4.7 in Science at #31 against #64.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 5.5 leads GLM 4.7 in Coding › Web dev at #1 against #69.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 5.5 leads GLM 4.7 in Long context at #1 against #81.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 5.5 leads GLM 4.7 in Factuality at #1 against #75.

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).

As of Oct 15, 2026, GLM 4.7 is a former state-of-the-art holder in Coding › Web dev (since Apr 2, 2026; sources LMArena WebDev; methodology v1.0).