Claude Fable 5.1 vs Kimi K2 5
As of Oct 15, 2026, Claude Fable 5.1 leads Kimi K2 5 in 2 of 2 shared categories: Math and Abstraction (ARC).
Claude Fable 5.1
Yes. SOTA in Factuality (tied).
Kimi K2 5
#17 Best current rank: #17 in Math, as of Oct 15, 2026.
| Category | Claude Fable 5.1 | Kimi K2 5 |
|---|---|---|
| General LLM | #6 · Near-SOTA · General LLM Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #5 · Near-SOTA · Reasoning Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 27, 2026 |
| Math | #2 · Near-SOTA · Math Margin 2.2222222222222285 Epoch AI benchmarking hub · Sep 1, 2026 | #17 · #17 in Math Margin 35.55555555555556 Epoch AI benchmarking hub · Jan 27, 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 3.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #6 · Near-SOTA · Long context Margin 3.1914893617021107 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 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 27, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 1, 2026 | #35 · #35 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 27, 2026 |
Claude Fable 5.1: $20 per 1M blended tokens.
Kimi K2 5: $1.0000000000000002 per 1M blended tokens.
Claude Fable 5.1: closed weights.
Kimi K2 5: open weights.
Math: As of Oct 15, 2026, Claude Fable 5.1 leads Kimi K2 5 in Math at #2 against #17.
Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5.1 leads Kimi K2 5 in Abstraction (ARC) at #3 against #35.
Claude Fable 5.1 or Kimi K2 5?
As of Oct 15, 2026, Claude Fable 5.1 leads Kimi K2 5 in 2 of 2 shared categories: Math and Abstraction (ARC).
Claude Fable 5.1 or Kimi K2 5 for Math?
As of Oct 15, 2026, Claude Fable 5.1 leads Kimi K2 5 in Math at #2 against #17.
Claude Fable 5.1 or Kimi K2 5 for Abstraction (ARC)?
As of Oct 15, 2026, Claude Fable 5.1 leads Kimi K2 5 in Abstraction (ARC) at #3 against #35.