Claude Fable 5.1 vs Kimi K2 0905 Preview
As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
Kimi K2 0905 Preview
#93 Best current rank: #93 in General LLM, as of Oct 14, 2026.
| Category | Claude Fable 5.1 | Kimi K2 0905 Preview |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #93 · #93 in General LLM Margin 63.265306122448976 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #94 · #94 in Reasoning Margin 65.06849315068493 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 | #115 · #115 in Long context Margin 78.2312925170068 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 | #106 · #106 in Factuality Margin 79.85074626865672 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.
Kimi K2 0905 Preview: price per 1M tokens is unset in the catalog.
Claude Fable 5.1: closed weights.
Kimi K2 0905 Preview: open weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in General LLM at #6 against #93.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in Reasoning at #5 against #94.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in Long context at #6 against #115.
Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in Factuality at #1 against #106.
Claude Fable 5.1 · Kimi K2 0905 Preview
Claude Fable 5.1 or Kimi K2 0905 Preview?
As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Fable 5.1 or Kimi K2 0905 Preview for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in General LLM at #6 against #93.
Claude Fable 5.1 or Kimi K2 0905 Preview for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in Reasoning at #5 against #94.
Claude Fable 5.1 or Kimi K2 0905 Preview for Long context?
As of Oct 14, 2026, Claude Fable 5.1 leads Kimi K2 0905 Preview in Long context at #6 against #115.