GLM 5.3 Flash vs GPT-4O Mini
As of Oct 14, 2026, GLM 5.3 Flash leads GPT-4O Mini in 1 of 2 shared categories: Science.
GLM 5.3 Flash
Yes. Yes on Coding (best per dollar); Coding › Agentic (best per dollar). Not the overall leader.
GPT-4O Mini
#9 Best recorded rank: #9 in General LLM, as of Oct 14, 2026.
| Category | GLM 5.3 Flash | GPT-4O Mini |
|---|---|---|
| General LLM | #30 · #30 in General LLM Margin 20.40816326530613 LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 15, 2024 |
| Reasoning | #26 · #26 in Reasoning Margin 18.493150684931507 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jul 18, 2024 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #34 · #34 in Science Margin — Epoch AI benchmarking hub · Aug 20, 2026 | #161 · #161 in Science Margin — Epoch AI benchmarking hub · Jul 18, 2024 |
| Coding | #10 · #10 in Coding Margin 50 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 27, 2024 |
| 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 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #30 · #30 in Factuality Margin 23.13432835820896 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jul 18, 2024 |
| Abstraction (ARC) | #14 · #14 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 20, 2026 | — |
GLM 5.3 Flash: $0.2375 per 1M blended tokens.
GPT-4O Mini: $0.26249999999999996 per 1M blended tokens.
GLM 5.3 Flash: open weights.
GPT-4O Mini: closed weights.
General LLM: As of Oct 14, 2026, GPT-4O Mini leads GLM 5.3 Flash in General LLM at #9 against #30.
Science: As of Oct 14, 2026, GLM 5.3 Flash leads GPT-4O Mini in Science at #34 against #161.
GLM 5.3 Flash or GPT-4O Mini?
As of Oct 14, 2026, GLM 5.3 Flash leads GPT-4O Mini in 1 of 2 shared categories: Science.
GLM 5.3 Flash or GPT-4O Mini for General LLM?
As of Oct 14, 2026, GPT-4O Mini leads GLM 5.3 Flash in General LLM at #9 against #30.
GLM 5.3 Flash or GPT-4O Mini for Science?
As of Oct 14, 2026, GLM 5.3 Flash leads GPT-4O Mini in Science at #34 against #161.