# GLM 5.3 Flash vs GPT-6 Astra

As of Oct 14, 2026, GLM 5.3 Flash leads GPT-6 Astra in 0 of 10 shared categories.

GLM 5.3 Flash: $0.2375 per 1M blended tokens.

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

GLM 5.3 Flash: open weights.

GPT-6 Astra: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in General LLM at #25 against #30.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Reasoning at #23 against #26.
- Which to pick, Science: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Science at #2 against #34.
- Which to pick, Coding: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Coding at #2 against #10.
- Which to pick, Coding › Agentic: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Coding › Agentic at #2 against #10.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Coding › Web dev at #2 against #22.
- Which to pick, Long context: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Long context at #22 against #30.
- Which to pick, Vision: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Vision at #1 against #29.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Factuality at #25 against #30.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, GPT-6 Astra leads GLM 5.3 Flash in Abstraction (ARC) at #1 against #14.

As of Oct 14, 2026, GLM 5.3 Flash is state of the art on best per dollar in Coding (since Oct 14, 2026; sources Terminal-Bench 4.0; methodology v1.0).

As of Oct 14, 2026, GPT-6 Astra is state of the art in Math (since Sep 28, 2026; sources Humanity's Last Exam; methodology v1.0).