Claude Fable 5 vs GLM 5.1
As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in 5 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5
Close. Near-SOTA in General LLM, rank #3.
GLM 5.1
It used to be. Was SOTA in Reasoning.
| Category | Claude Fable 5 | GLM 5.1 |
|---|---|---|
| General LLM | #3 · Near-SOTA · General LLM Margin 2.040816326530617 LMArena leaderboard dataset · Oct 13, 2026 | #37 · #37 in General LLM Margin 25.17006802721089 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #3 · Near-SOTA · Reasoning Margin 2.7397260273972535 LMArena leaderboard dataset · Oct 13, 2026 | #36 · #36 in Reasoning Margin 25.342465753424662 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 | #56 · #56 in Science Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #35 · #35 in Science Margin — Epoch AI benchmarking hub · Apr 7, 2026 |
| Coding | #6 · #6 in Coding Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 7, 2026 |
| Coding › Agentic | #6 · #6 in Coding › Agentic Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #17 · Was SOTA · Coding › Web dev Margin 14.953271028037378 LMArena leaderboard dataset · Oct 13, 2026 | #46 · Was SOTA · Coding › Web dev Margin 42.05607476635514 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #3 · Near-SOTA · Long context Margin 2.040816326530603 LMArena leaderboard dataset · Oct 13, 2026 | #36 · Was SOTA · Long context Margin 24.48979591836735 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #5 · Was SOTA · Vision Margin 15.78947368421052 Epoch AI benchmarking hub · Jun 9, 2026 | — |
| Factuality | #7 · Was SOTA · Factuality Margin 5.97014925373135 LMArena leaderboard dataset · Oct 13, 2026 | #38 · #38 in Factuality Margin 29.104477611940297 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 9, 2026 | — |
Claude Fable 5: $20 per 1M blended tokens.
GLM 5.1: $2.0425 per 1M blended tokens.
Claude Fable 5: closed weights.
GLM 5.1: open weights.
General LLM: As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in General LLM at #3 against #37.
Reasoning: As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in Reasoning at #3 against #36.
Science: As of Oct 14, 2026, GLM 5.1 leads Claude Fable 5 in Science at #35 against #56.
Coding › Web dev: As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in Coding › Web dev at #17 against #46.
Long context: As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in Long context at #3 against #36.
Factuality: As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in Factuality at #7 against #38.
Claude Fable 5 or GLM 5.1?
As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in 5 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5 or GLM 5.1 for General LLM?
As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in General LLM at #3 against #37.
Claude Fable 5 or GLM 5.1 for Reasoning?
As of Oct 14, 2026, Claude Fable 5 leads GLM 5.1 in Reasoning at #3 against #36.
Claude Fable 5 or GLM 5.1 for Science?
As of Oct 14, 2026, GLM 5.1 leads Claude Fable 5 in Science at #35 against #56.