GLM 5.3 vs GPT-6 Luna
As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in 8 of 8 shared categories: General LLM, Reasoning, Science, Coding, Coding › Agentic, Coding › Web dev, Long context, and Factuality.
GLM 5.3
Yes. Yes on General LLM (open weights); Reasoning (best per dollar). Not the overall leader.
GPT-6 Luna
Yes. Yes on Coding (best per dollar); Coding › Agentic (best per dollar). Not the overall leader.
| Category | GLM 5.3 | GPT-6 Luna |
|---|---|---|
| General LLM | #24 · #24 in General LLM Margin 12.765957446808514 LMArena leaderboard dataset · Oct 13, 2026 | #82 · #82 in General LLM Margin 43.61702127659574 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #19 · #19 in Reasoning Margin 10.63829787234043 LMArena leaderboard dataset · Oct 13, 2026 | #76 · #76 in Reasoning Margin 40.95744680851064 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 | #33 · #33 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
| Coding | #7 · #7 in Coding Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 | #17 · #17 in Coding Margin 81.81818181818181 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #7 · #7 in Coding › Agentic Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 | #17 · #17 in Coding › Agentic Margin 81.81818181818181 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #20 · #20 in Coding › Web dev Margin 15.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 | #31 · #31 in Coding › Web dev Margin 24 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #31 · #31 in Long context Margin 16.489361702127653 LMArena leaderboard dataset · Oct 13, 2026 | #75 · #75 in Long context Margin 39.89361702127659 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #17 · #17 in Vision Margin 47.36842105263158 Epoch AI benchmarking hub · Sep 22, 2026 |
| Factuality | #31 · #31 in Factuality Margin 18.604651162790702 LMArena leaderboard dataset · Oct 13, 2026 | #45 · #45 in Factuality Margin 26.74418604651163 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #22 · #22 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
GLM 5.3: $1.275 per 1M blended tokens.
GPT-6 Luna: $0.19999999999999998 per 1M blended tokens.
GLM 5.3: open weights.
GPT-6 Luna: closed weights.
General LLM: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in General LLM at #24 against #82.
Reasoning: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Reasoning at #19 against #76.
Science: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Science at #28 against #33.
Coding: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Coding at #7 against #17.
Coding › Agentic: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Coding › Agentic at #7 against #17.
Coding › Web dev: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Coding › Web dev at #20 against #31.
Long context: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Long context at #31 against #75.
Factuality: As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Factuality at #31 against #45.
GLM 5.3 or GPT-6 Luna?
As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in 8 of 8 shared categories: General LLM, Reasoning, Science, Coding, Coding › Agentic, Coding › Web dev, Long context, and Factuality.
GLM 5.3 or GPT-6 Luna for General LLM?
As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in General LLM at #24 against #82.
GLM 5.3 or GPT-6 Luna for Reasoning?
As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Reasoning at #19 against #76.
GLM 5.3 or GPT-6 Luna for Science?
As of Oct 15, 2026, GLM 5.3 leads GPT-6 Luna in Science at #28 against #33.