# GLM 5.3 Flash vs GPT-5.4

As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in 3 of 7 shared categories: Reasoning, Coding › Web dev, and Long context.

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

GPT-5.4: $5.625 per 1M blended tokens.

GLM 5.3 Flash: open weights.

GPT-5.4: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in General LLM at #30 against #34.
- Which to pick, Reasoning: As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in Reasoning at #27 against #32.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in Science at #16 against #34.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in Coding › Web dev at #24 against #60.
- Which to pick, Long context: As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in Long context at #35 against #40.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in Factuality at #6 against #34.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in Abstraction (ARC) at #10 against #14.

As of Oct 15, 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 15, 2026, GPT-5.4 is a former state-of-the-art holder in General LLM (since Apr 10, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).