Compare · 2026-10-14

Claude Fable 5.1 vs Qwen3 5 27B

As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

CategoryClaude Fable 5.1Qwen3 5 27B
General LLM
#6 · Was SOTA · General LLM
Margin 4.08163265306122
LMArena leaderboard dataset · Oct 13, 2026
#109 · #109 in General LLM
Margin 74.14965986394557
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#5 · Was SOTA · Reasoning
Margin 4.109589041095887
LMArena leaderboard dataset · Oct 13, 2026
#105 · #105 in Reasoning
Margin 72.6027397260274
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
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
#84 · #84 in Coding › Web dev
Margin 77.57009345794393
LMArena leaderboard dataset · Oct 13, 2026
Long context
#6 · Was SOTA · Long context
Margin 4.08163265306122
LMArena leaderboard dataset · Oct 13, 2026
#96 · #96 in Long context
Margin 65.3061224489796
LMArena leaderboard dataset · Oct 13, 2026
Vision
#6 · #6 in Vision
Margin 18.421052631578945
Epoch AI benchmarking hub · Sep 1, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
Factuality
#1 · Co-SOTA · Factuality
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#94 · #94 in Factuality
Margin 70.8955223880597
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#3 · #3 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 1, 2026
—
Price per 1M tokens

Claude Fable 5.1: $20 per 1M blended tokens.

Qwen3 5 27B: $0.845 per 1M blended tokens.

Open weights

Claude Fable 5.1: closed weights.

Qwen3 5 27B: open weights.

Which to pick

General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in General LLM at #6 against #109.

Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in Reasoning at #5 against #105.

Coding › Web dev: As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in Coding › Web dev at #5 against #84.

Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in Long context at #6 against #96.

Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in Factuality at #1 against #94.

Claude Fable 5.1 · Qwen3 5 27B

Claude Fable 5.1 or Qwen3 5 27B?

As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

Claude Fable 5.1 or Qwen3 5 27B for General LLM?

As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in General LLM at #6 against #109.

Claude Fable 5.1 or Qwen3 5 27B for Reasoning?

As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in Reasoning at #5 against #105.

Claude Fable 5.1 or Qwen3 5 27B for Coding › Web dev?

As of Oct 14, 2026, Claude Fable 5.1 leads Qwen3 5 27B in Coding › Web dev at #5 against #84.