Claude Fable 5.1 vs Qwen3 5 Flash
As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1
Yes. SOTA in Factuality (tied).
Qwen3 5 Flash
#66 Best recorded rank: #66 in Science, as of Oct 15, 2026.
| Category | Claude Fable 5.1 | Qwen3 5 Flash |
|---|---|---|
| General LLM | #6 · Near-SOTA · General LLM Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | #154 · #154 in General LLM Margin 81.91489361702128 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Near-SOTA · Reasoning Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | #157 · #157 in Reasoning Margin 84.04255319148936 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 | — | #66 · #66 in Science Margin — Epoch AI benchmarking hub · Feb 25, 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 3.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 | #114 · #114 in Coding › Web dev Margin 90.4 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Near-SOTA · Long context Margin 3.1914893617021107 LMArena leaderboard dataset · Oct 13, 2026 | #159 · #159 in Long context Margin 84.57446808510639 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 | #131 · #131 in Factuality Margin 76.74418604651163 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.
Qwen3 5 Flash: price per 1M tokens is unset in the catalog.
Claude Fable 5.1: closed weights.
Qwen3 5 Flash: closed weights.
General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in General LLM at #6 against #154.
Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in Reasoning at #5 against #157.
Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in Coding › Web dev at #5 against #114.
Long context: As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in Long context at #6 against #159.
Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in Factuality at #1 against #131.
Claude Fable 5.1 · Qwen3 5 Flash
Claude Fable 5.1 or Qwen3 5 Flash?
As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1 or Qwen3 5 Flash for General LLM?
As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in General LLM at #6 against #154.
Claude Fable 5.1 or Qwen3 5 Flash for Reasoning?
As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in Reasoning at #5 against #157.
Claude Fable 5.1 or Qwen3 5 Flash for Coding › Web dev?
As of Oct 15, 2026, Claude Fable 5.1 leads Qwen3 5 Flash in Coding › Web dev at #5 against #114.