# GLM 5.3 vs GPT-6 Astra

As of Oct 15, 2026, GLM 5.3 leads GPT-6 Astra in 2 of 8 shared categories: General LLM and Reasoning.

GLM 5.3: $1.275 per 1M blended tokens.

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

GLM 5.3: open weights.

GPT-6 Astra: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Astra in General LLM at #24 against #26.
- Which to pick, Reasoning: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Astra in Reasoning at #19 against #24.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Astra leads GLM 5.3 in Science at #2 against #28.
- Which to pick, Coding: As of Oct 15, 2026, GPT-6 Astra leads GLM 5.3 in Coding at #2 against #7.
- Which to pick, Coding › Agentic: As of Oct 15, 2026, GPT-6 Astra leads GLM 5.3 in Coding › Agentic at #2 against #7.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Astra leads GLM 5.3 in Coding › Web dev at #2 against #20.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6 Astra leads GLM 5.3 in Long context at #25 against #31.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6 Astra leads GLM 5.3 in Factuality at #29 against #31.

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).

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).