GLM 5.3 Flash vs GPT-5.4 Pro
As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 Pro in 0 of 2 shared categories.
GLM 5.3 Flash
Yes. Yes on Reasoning (best per dollar); Coding (best per dollar). Not the overall leader.
GPT-5.4 Pro
It used to be. Was SOTA in Math.
| Category | GLM 5.3 Flash | GPT-5.4 Pro |
|---|---|---|
| General LLM | #30 · #30 in General LLM Margin 20.40816326530613 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #26 · #26 in Reasoning Margin 18.493150684931507 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #6 · Was SOTA · Math Margin 11.111111111111114 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #34 · #34 in Science Margin — Epoch AI benchmarking hub · Aug 20, 2026 | #6 · #6 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Coding | #10 · #10 in Coding Margin 50 Terminal-Bench Harbor Hub · Oct 6, 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 | — |
| Long context | #30 · #30 in Long context Margin 20.40816326530613 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Aug 20, 2026 | — |
| Factuality | #30 · #30 in Factuality Margin 23.13432835820896 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Abstraction (ARC) | #14 · #14 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 20, 2026 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
GLM 5.3 Flash: $0.2375 per 1M blended tokens.
GPT-5.4 Pro: $67.5 per 1M blended tokens.
GLM 5.3 Flash: open weights.
GPT-5.4 Pro: closed weights.
Science: As of Oct 15, 2026, GPT-5.4 Pro leads GLM 5.3 Flash in Science at #6 against #34.
Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 Pro leads GLM 5.3 Flash in Abstraction (ARC) at #8 against #14.
GLM 5.3 Flash or GPT-5.4 Pro?
As of Oct 15, 2026, GLM 5.3 Flash leads GPT-5.4 Pro in 0 of 2 shared categories.
GLM 5.3 Flash or GPT-5.4 Pro for Science?
As of Oct 15, 2026, GPT-5.4 Pro leads GLM 5.3 Flash in Science at #6 against #34.
GLM 5.3 Flash or GPT-5.4 Pro for Abstraction (ARC)?
As of Oct 15, 2026, GPT-5.4 Pro leads GLM 5.3 Flash in Abstraction (ARC) at #8 against #14.