GLM 5.1 vs O3 Mini
As of Oct 14, 2026, GLM 5.1 leads O3 Mini in 3 of 4 shared categories: Reasoning, Science, and Long context.
| Category | GLM 5.1 | O3 Mini |
|---|---|---|
| General LLM | #37 · #37 in General LLM Margin 25.17006802721089 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #36 · #36 in Reasoning Margin 25.342465753424662 LMArena leaderboard dataset · Oct 13, 2026 | #133 · Was SOTA · Reasoning Margin 91.78082191780823 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #35 · #35 in Science Margin — Epoch AI benchmarking hub · Apr 7, 2026 | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 7, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #46 · Was SOTA · Coding › Web dev Margin 42.05607476635514 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #36 · Was SOTA · Long context Margin 24.48979591836735 LMArena leaderboard dataset · Oct 13, 2026 | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 |
| Factuality | #38 · #38 in Factuality Margin 29.104477611940297 LMArena leaderboard dataset · Oct 13, 2026 | #— · 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 5.1: $2.0425 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
GLM 5.1: open weights.
O3 Mini: closed weights.
General LLM: As of Oct 14, 2026, O3 Mini leads GLM 5.1 in General LLM at #7 against #37.
Reasoning: As of Oct 14, 2026, GLM 5.1 leads O3 Mini in Reasoning at #36 against #133.
Science: As of Oct 14, 2026, GLM 5.1 leads O3 Mini in Science at #35 against #76.
Long context: As of Oct 14, 2026, GLM 5.1 leads O3 Mini in Long context at #36 against #145.
GLM 5.1 or O3 Mini?
As of Oct 14, 2026, GLM 5.1 leads O3 Mini in 3 of 4 shared categories: Reasoning, Science, and Long context.
GLM 5.1 or O3 Mini for General LLM?
As of Oct 14, 2026, O3 Mini leads GLM 5.1 in General LLM at #7 against #37.
GLM 5.1 or O3 Mini for Reasoning?
As of Oct 14, 2026, GLM 5.1 leads O3 Mini in Reasoning at #36 against #133.
GLM 5.1 or O3 Mini for Science?
As of Oct 14, 2026, GLM 5.1 leads O3 Mini in Science at #35 against #76.