Claude Opus 4.6 vs GLM 4.5
As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in 4 of 4 shared categories: General LLM, Reasoning, Math, and Long context.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
GLM 4.5
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.6 | GLM 4.5 |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #107 · #107 in General LLM Margin 72.78911564625851 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Reasoning Margin 68.4931506849315 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #31 · #31 in Math Margin 66.66666666666666 Epoch AI benchmarking hub · Aug 3, 2025 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | — |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #103 · #103 in Long context Margin 70.06802721088435 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | — |
Claude Opus 4.6: $10 per 1M blended tokens.
GLM 4.5: $1 per 1M blended tokens.
Claude Opus 4.6: closed weights.
GLM 4.5: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in General LLM at #4 against #107.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in Reasoning at #2 against #99.
Math: As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in Math at #11 against #31.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in Long context at #2 against #103.
Claude Opus 4.6 or GLM 4.5?
As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in 4 of 4 shared categories: General LLM, Reasoning, Math, and Long context.
Claude Opus 4.6 or GLM 4.5 for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in General LLM at #4 against #107.
Claude Opus 4.6 or GLM 4.5 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in Reasoning at #2 against #99.
Claude Opus 4.6 or GLM 4.5 for Math?
As of Oct 14, 2026, Claude Opus 4.6 leads GLM 4.5 in Math at #11 against #31.