Claude Fable 5.1 vs GLM 5.2
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in 6 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
GLM 5.2
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Fable 5.1 | GLM 5.2 |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #26 · #26 in General LLM Margin 17.687074829931973 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #30 · #30 in Reasoning Margin 21.23287671232876 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #2 · Near-SOTA · Math Margin 2.2222222222222285 Epoch AI benchmarking hub · Sep 1, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | — | #23 · #23 in Science Margin — Epoch AI benchmarking hub · Jun 16, 2026 |
| Coding | #3 · Near-SOTA · Coding Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 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 | #23 · #23 in Coding › Web dev Margin 20.560747663551396 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Was SOTA · Long context Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Long context Margin 17.006802721088434 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 | #31 · #31 in Factuality Margin 23.88059701492537 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 1, 2026 | #29 · #29 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 16, 2026 |
Claude Fable 5.1: $20 per 1M blended tokens.
GLM 5.2: $1.7799999999999998 per 1M blended tokens.
Claude Fable 5.1: closed weights.
GLM 5.2: open weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in General LLM at #6 against #26.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in Reasoning at #5 against #30.
Coding › Web dev: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in Coding › Web dev at #5 against #23.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in Long context at #6 against #25.
Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in Factuality at #1 against #31.
Abstraction (ARC): As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in Abstraction (ARC) at #3 against #29.
Claude Fable 5.1 or GLM 5.2?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in 6 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Claude Fable 5.1 or GLM 5.2 for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in General LLM at #6 against #26.
Claude Fable 5.1 or GLM 5.2 for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in Reasoning at #5 against #30.
Claude Fable 5.1 or GLM 5.2 for Coding › Web dev?
As of Oct 14, 2026, Claude Fable 5.1 leads GLM 5.2 in Coding › Web dev at #5 against #23.