# Claude Opus 5.5 vs GLM 4.7 Flash

As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4.7 Flash in 3 of 3 shared categories: General LLM, Reasoning, and Factuality.

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

GLM 4.7 Flash: $0.145375 per 1M blended tokens.

Claude Opus 5.5: closed weights.

GLM 4.7 Flash: open weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4.7 Flash in General LLM at #2 against #147.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4.7 Flash in Reasoning at #1 against #144.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4.7 Flash in Factuality at #1 against #121.

As of Oct 14, 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 14, 2026, GLM 4.7 Flash is ranked #121 in Factuality (since Oct 14, 2026; sources LMArena Text factuality; methodology v1.0).