Claude Opus 5.5 vs GLM 4 6V
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
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 4 6V
#111 Best current rank: #111 in Factuality, as of Oct 14, 2026.
| Category | Claude Opus 5.5 | GLM 4 6V |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #137 · #137 in General LLM Margin 93.19727891156462 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #145 · #145 in Reasoning Margin 100 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 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 | — |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #137 · #137 in Long context Margin 93.19727891156462 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #111 · #111 in Factuality Margin 83.58208955223881 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
GLM 4 6V: $0.44999999999999996 per 1M blended tokens.
Claude Opus 5.5: closed weights.
GLM 4 6V: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in General LLM at #2 against #137.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in Reasoning at #1 against #145.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in Long context at #1 against #137.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in Factuality at #1 against #111.
Claude Opus 5.5 or GLM 4 6V?
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Opus 5.5 or GLM 4 6V for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in General LLM at #2 against #137.
Claude Opus 5.5 or GLM 4 6V for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in Reasoning at #1 against #145.
Claude Opus 5.5 or GLM 4 6V for Long context?
As of Oct 14, 2026, Claude Opus 5.5 leads GLM 4 6V in Long context at #1 against #137.