# GLM 4.5 Air vs GPT-6 Astra

As of Oct 15, 2026, GLM 4.5 Air leads GPT-6 Astra in 0 of 5 shared categories.

GLM 4.5 Air: $0.31 per 1M blended tokens.

GPT-6 Astra: $20 per 1M blended tokens.

GLM 4.5 Air: open weights.

GPT-6 Astra: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6 Astra leads GLM 4.5 Air in General LLM at #25 against #142.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6 Astra leads GLM 4.5 Air in Reasoning at #23 against #140.
- Which to pick, Math: As of Oct 15, 2026, GPT-6 Astra leads GLM 4.5 Air in Math at #1 against #32.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6 Astra leads GLM 4.5 Air in Long context at #22 against #138.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6 Astra leads GLM 4.5 Air in Factuality at #25 against #109.

As of Oct 15, 2026, GLM 4.5 Air is ranked #32 in Math (since Oct 15, 2026; sources Humanity's Last Exam; methodology v1.0).

As of Oct 15, 2026, GPT-6 Astra is state of the art in Math (since Sep 28, 2026; sources Humanity's Last Exam; methodology v1.0).