Claude Opus 5.5 vs GLM 5.2
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in 6 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Claude Opus 5.5
Yes. SOTA in co-SOTA in Reasoning, co-SOTA in Coding, co-SOTA in Coding › Agentic, Coding › Web dev, co-SOTA in Long context and co-SOTA in Factuality.
GLM 5.2
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Opus 5.5 | GLM 5.2 |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #26 · #26 in General LLM Margin 17.687074829931973 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #30 · #30 in Reasoning Margin 21.23287671232876 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 | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #23 · #23 in Science Margin — Epoch AI benchmarking hub · Jun 16, 2026 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Coding › Web dev Margin 20.560747663551396 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Long context Margin 17.006802721088434 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #31 · #31 in Factuality Margin 23.88059701492537 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #29 · #29 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 16, 2026 |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
GLM 5.2: $1.7799999999999998 per 1M blended tokens.
Claude Opus 5.5: closed weights.
GLM 5.2: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in General LLM at #2 against #26.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in Reasoning at #1 against #30.
Science: As of Oct 14, 2026, GLM 5.2 leads Claude Opus 5.5 in Science at #23 against #31.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in Coding › Web dev at #1 against #23.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in Long context at #1 against #25.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in Factuality at #1 against #31.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in Abstraction (ARC) at #1 against #29.
Claude Opus 5.5 or GLM 5.2?
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in 6 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Claude Opus 5.5 or GLM 5.2 for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in General LLM at #2 against #26.
Claude Opus 5.5 or GLM 5.2 for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 5.2 in Reasoning at #1 against #30.
Claude Opus 5.5 or GLM 5.2 for Science?
As of Oct 14, 2026, GLM 5.2 leads Claude Opus 5.5 in Science at #23 against #31.