Claude Fable 5.1 vs GLM 4.5
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in 4 of 4 shared categories: General LLM, Reasoning, Math, and Long context.
| Category | Claude Fable 5.1 | GLM 4.5 |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #107 · #107 in General LLM Margin 72.78911564625851 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Reasoning Margin 68.4931506849315 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #2 · Near-SOTA · Math Margin 2.2222222222222285 Epoch AI benchmarking hub · Sep 1, 2026 | #31 · #31 in Math Margin 66.66666666666666 Epoch AI benchmarking hub · Aug 3, 2025 |
| Coding | #3 · Near-SOTA · Coding Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #3 · Near-SOTA · Coding › Agentic Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #5 · Near-SOTA · Coding › Web dev Margin 3.738317757009341 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #6 · Was SOTA · Long context Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #103 · #103 in Long context Margin 70.06802721088435 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 1, 2026 | — |
Claude Fable 5.1: $20 per 1M blended tokens.
GLM 4.5: $1 per 1M blended tokens.
Claude Fable 5.1: closed weights.
GLM 4.5: open weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in General LLM at #6 against #107.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in Reasoning at #5 against #99.
Math: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in Math at #2 against #31.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in Long context at #6 against #103.
Claude Fable 5.1 or GLM 4.5?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in 4 of 4 shared categories: General LLM, Reasoning, Math, and Long context.
Claude Fable 5.1 or GLM 4.5 for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in General LLM at #6 against #107.
Claude Fable 5.1 or GLM 4.5 for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in Reasoning at #5 against #99.
Claude Fable 5.1 or GLM 4.5 for Math?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 4.5 in Math at #2 against #31.