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
Yes. Yes on Coding (best per dollar); Coding › Agentic (best per dollar). Not the overall leader.
GPT-5.4
It used to be. Was SOTA in General LLM.
| Category | GLM 5.3 Flash | GPT-5.4 |
|---|---|---|
| General LLM | #30 · #30 in General LLM Margin 20.40816326530613 LMArena leaderboard dataset · Oct 13, 2026 | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #26 · #26 in Reasoning Margin 18.493150684931507 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #34 · #34 in Science Margin — Epoch AI benchmarking hub · Aug 20, 2026 | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Coding | #10 · #10 in Coding Margin 50 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #10 · #10 in Coding › Agentic Margin 50 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #22 · #22 in Coding › Web dev Margin 19.626168224299064 LMArena leaderboard dataset · Oct 13, 2026 | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #30 · #30 in Long context Margin 20.40816326530613 LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Aug 20, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #30 · #30 in Factuality Margin 23.13432835820896 LMArena leaderboard dataset · Oct 13, 2026 | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #14 · #14 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 20, 2026 | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
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.
General LLM: As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in General LLM at #28 against #30.
Reasoning: As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in Reasoning at #26 against #29.
Science: As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in Science at #16 against #34.
Coding › Web dev: As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in Coding › Web dev at #22 against #55.
Long context: As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in Long context at #30 against #34.
Factuality: As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in Factuality at #6 against #30.
Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in Abstraction (ARC) at #10 against #14.
GLM 5.3 Flash or 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 or GPT-5.4 for General LLM?
As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in General LLM at #28 against #30.
GLM 5.3 Flash or GPT-5.4 for Reasoning?
As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 in Reasoning at #26 against #29.
GLM 5.3 Flash or GPT-5.4 for Science?
As of Oct 15, 2026, GPT-5.4 leads GLM 5.3 Flash in Science at #16 against #34.