Claude 3 Opus vs GLM 5.3
As of Oct 15, 2026, Claude 3 Opus leads GLM 5.3 in 1 of 2 shared categories: General LLM.
Claude 3 Opus
#9 Best recorded rank: #9 in General LLM, as of Oct 15, 2026.
GLM 5.3
Yes. Yes on General LLM (open weights); Reasoning (best per dollar). Not the overall leader.
| Category | Claude 3 Opus | GLM 5.3 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #23 · #23 in General LLM Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #19 · #19 in Reasoning Margin 13.698630136986296 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #28 · #28 in Science Margin — Epoch AI benchmarking hub · Aug 14, 2026 |
| Coding | — | #7 · #7 in Coding Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #7 · #7 in Coding › Agentic Margin 36.36363636363637 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 |
| Long context | — | #27 · #27 in Long context Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #27 · #27 in Factuality Margin 20.895522388059703 LMArena leaderboard dataset · Oct 13, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
GLM 5.3: $1.275 per 1M blended tokens.
Claude 3 Opus: closed weights.
GLM 5.3: open weights.
General LLM: As of Oct 15, 2026, Claude 3 Opus leads GLM 5.3 in General LLM at #9 against #23.
Science: As of Oct 15, 2026, GLM 5.3 leads Claude 3 Opus in Science at #28 against #138.
Claude 3 Opus or GLM 5.3?
As of Oct 15, 2026, Claude 3 Opus leads GLM 5.3 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or GLM 5.3 for General LLM?
As of Oct 15, 2026, Claude 3 Opus leads GLM 5.3 in General LLM at #9 against #23.
Claude 3 Opus or GLM 5.3 for Science?
As of Oct 15, 2026, GLM 5.3 leads Claude 3 Opus in Science at #28 against #138.