# Claude 3 Opus vs GLM 5.3

As of Oct 15, 2026, Claude 3 Opus leads GLM 5.3 in 1 of 2 shared categories: General LLM.

Claude 3 Opus: price per 1M tokens is unset in the catalog.

GLM 5.3: $1.275 per 1M blended tokens.

Claude 3 Opus: closed weights.

GLM 5.3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude 3 Opus leads GLM 5.3 in General LLM at #11 against #24.
- Which to pick, Science: As of Oct 15, 2026, GLM 5.3 leads Claude 3 Opus in Science at #28 against #138.

As of Oct 15, 2026, Claude 3 Opus is ranked #11 in General LLM (since Oct 15, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, GLM 5.3 is tied for state of the art in General LLM (since Oct 13, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).