Claude Fable 5.1 vs Gemini 3.5 Flash
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in 7 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
Gemini 3.5 Flash
#12 Best recorded rank: #12 in Abstraction (ARC), as of Oct 14, 2026.
| Category | Claude Fable 5.1 | Gemini 3.5 Flash |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #24 · #24 in General LLM Margin 16.326530612244895 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #32 · #32 in Reasoning Margin 22.602739726027394 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 | — | #18 · #18 in Science Margin — Epoch AI benchmarking hub · May 19, 2026 |
| Coding | #3 · Near-SOTA · Coding Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · May 19, 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 | #48 · #48 in Coding › Web dev Margin 43.925233644859816 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Was SOTA · Long context Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #28 · #28 in Long context Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · May 19, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Factuality Margin 10.447761194029852 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 1, 2026 | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 19, 2026 |
Claude Fable 5.1: $20 per 1M blended tokens.
Gemini 3.5 Flash: $3.375 per 1M blended tokens.
Claude Fable 5.1: closed weights.
Gemini 3.5 Flash: closed weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in General LLM at #6 against #24.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Reasoning at #5 against #32.
Coding › Web dev: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Coding › Web dev at #5 against #48.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Long context at #6 against #28.
Vision: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Vision at #6 against #29.
Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Factuality at #1 against #13.
Abstraction (ARC): As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Abstraction (ARC) at #3 against #12.
Claude Fable 5.1 · Gemini 3.5 Flash
Claude Fable 5.1 or Gemini 3.5 Flash?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in 7 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).
Claude Fable 5.1 or Gemini 3.5 Flash for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in General LLM at #6 against #24.
Claude Fable 5.1 or Gemini 3.5 Flash for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Reasoning at #5 against #32.
Claude Fable 5.1 or Gemini 3.5 Flash for Coding › Web dev?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Coding › Web dev at #5 against #48.