GLM 5.3 vs Grok 4.5
As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in 6 of 8 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, and Long context.
GLM 5.3
Yes. Yes on General LLM (open weights); Reasoning (best per dollar). Not the overall leader.
Grok 4.5
#14 Best recorded rank: #14 in Science, as of Oct 14, 2026.
| Category | GLM 5.3 | Grok 4.5 |
|---|---|---|
| General LLM | #23 · #23 in General LLM Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 | #36 · #36 in General LLM Margin 24.48979591836735 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #19 · #19 in Reasoning Margin 13.698630136986296 LMArena leaderboard dataset · Oct 13, 2026 | #37 · #37 in Reasoning Margin 26.027397260273972 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 | #28 · #28 in Science Margin — Epoch AI benchmarking hub · Aug 14, 2026 | #14 · #14 in Science Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
| Coding | #7 · #7 in Coding Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #7 · #7 in Coding › Agentic Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #18 · #18 in Coding › Web dev Margin 15.887850467289724 LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Coding › Web dev Margin 30.8411214953271 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #27 · #27 in Long context Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | #35 · #35 in Long context Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Jul 8, 2026 |
| Factuality | #27 · #27 in Factuality Margin 20.895522388059703 LMArena leaderboard dataset · Oct 13, 2026 | #26 · #26 in Factuality Margin 20.14925373134328 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #21 · #21 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
GLM 5.3: $1.2592499999999998 per 1M blended tokens.
Grok 4.5: $3 per 1M blended tokens.
GLM 5.3: open weights.
Grok 4.5: closed weights.
General LLM: As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in General LLM at #23 against #36.
Reasoning: As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in Reasoning at #19 against #37.
Science: As of Oct 14, 2026, Grok 4.5 leads GLM 5.3 in Science at #14 against #28.
Coding: As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in Coding at #7 against #19.
Coding › Agentic: As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in Coding › Agentic at #7 against #19.
Coding › Web dev: As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in Coding › Web dev at #18 against #34.
Long context: As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in Long context at #27 against #35.
Factuality: As of Oct 14, 2026, Grok 4.5 leads GLM 5.3 in Factuality at #26 against #27.
GLM 5.3 or Grok 4.5?
As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in 6 of 8 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, and Long context.
GLM 5.3 or Grok 4.5 for General LLM?
As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in General LLM at #23 against #36.
GLM 5.3 or Grok 4.5 for Reasoning?
As of Oct 14, 2026, GLM 5.3 leads Grok 4.5 in Reasoning at #19 against #37.
GLM 5.3 or Grok 4.5 for Science?
As of Oct 14, 2026, Grok 4.5 leads GLM 5.3 in Science at #14 against #28.