Claude Fable 5.1 vs Longcat Flash Chat
As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
Longcat Flash Chat
#106 Best current rank: #106 in Reasoning, as of Oct 14, 2026.
| Category | Claude Fable 5.1 | Longcat Flash Chat |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #115 · #115 in General LLM Margin 78.2312925170068 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #106 · #106 in Reasoning Margin 73.2876712328767 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 | — |
| Long context | #6 · Was SOTA · Long context Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #133 · #133 in Long context Margin 90.47619047619048 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.
Longcat Flash Chat: price per 1M tokens is unset in the catalog.
Claude Fable 5.1: closed weights.
Longcat Flash Chat: open weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in General LLM at #6 against #115.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in Reasoning at #5 against #106.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in Long context at #6 against #133.
Claude Fable 5.1 · Longcat Flash Chat
Claude Fable 5.1 or Longcat Flash Chat?
As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Claude Fable 5.1 or Longcat Flash Chat for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in General LLM at #6 against #115.
Claude Fable 5.1 or Longcat Flash Chat for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in Reasoning at #5 against #106.
Claude Fable 5.1 or Longcat Flash Chat for Long context?
As of Oct 14, 2026, Claude Fable 5.1 leads Longcat Flash Chat in Long context at #6 against #133.