Claude Fable 5.1 vs Gemini 2.5 Flash Preview 09 2025
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
Gemini 2.5 Flash Preview 09 2025
#88 Best current rank: #88 in Factuality, as of Oct 14, 2026.
| Category | Claude Fable 5.1 | Gemini 2.5 Flash Preview 09 2025 |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #111 · #111 in General LLM Margin 75.51020408163265 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #112 · #112 in Reasoning Margin 77.3972602739726 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 | #105 · #105 in Long context Margin 71.42857142857143 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #88 · #88 in Factuality Margin 66.41791044776119 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.
Gemini 2.5 Flash Preview 09 2025: price per 1M tokens is unset in the catalog.
Claude Fable 5.1: closed weights.
Gemini 2.5 Flash Preview 09 2025: closed weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in General LLM at #6 against #111.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Reasoning at #5 against #112.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Long context at #6 against #105.
Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Factuality at #1 against #88.
Claude Fable 5.1 · Gemini 2.5 Flash Preview 09 2025
Claude Fable 5.1 or Gemini 2.5 Flash Preview 09 2025?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Fable 5.1 or Gemini 2.5 Flash Preview 09 2025 for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in General LLM at #6 against #111.
Claude Fable 5.1 or Gemini 2.5 Flash Preview 09 2025 for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Reasoning at #5 against #112.
Claude Fable 5.1 or Gemini 2.5 Flash Preview 09 2025 for Long context?
As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Long context at #6 against #105.