GLM 4.5 vs O3 Mini
As of Oct 14, 2026, GLM 4.5 leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
| Category | GLM 4.5 | O3 Mini |
|---|---|---|
| General LLM | #107 · #107 in General LLM Margin 72.78911564625851 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #99 · #99 in Reasoning Margin 68.4931506849315 LMArena leaderboard dataset · Oct 13, 2026 | #133 · Was SOTA · Reasoning Margin 91.78082191780823 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #31 · #31 in Math Margin 66.66666666666666 Epoch AI benchmarking hub · Aug 3, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | — | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #103 · #103 in Long context Margin 70.06802721088435 LMArena leaderboard dataset · Oct 13, 2026 | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 |
| Factuality | — | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | — | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
GLM 4.5: $1 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
GLM 4.5: open weights.
O3 Mini: closed weights.
General LLM: As of Oct 14, 2026, O3 Mini leads GLM 4.5 in General LLM at #7 against #107.
Reasoning: As of Oct 14, 2026, GLM 4.5 leads O3 Mini in Reasoning at #99 against #133.
Long context: As of Oct 14, 2026, GLM 4.5 leads O3 Mini in Long context at #103 against #145.
GLM 4.5 or O3 Mini?
As of Oct 14, 2026, GLM 4.5 leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
GLM 4.5 or O3 Mini for General LLM?
As of Oct 14, 2026, O3 Mini leads GLM 4.5 in General LLM at #7 against #107.
GLM 4.5 or O3 Mini for Reasoning?
As of Oct 14, 2026, GLM 4.5 leads O3 Mini in Reasoning at #99 against #133.
GLM 4.5 or O3 Mini for Long context?
As of Oct 14, 2026, GLM 4.5 leads O3 Mini in Long context at #103 against #145.