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Compare · 2026-10-15

Claude Fable 5.1 vs Gemini 3.5 Flash Lite

As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in 6 of 6 shared categories: General LLM, Reasoning, Long context, Vision, Factuality, and Abstraction (ARC).

CategoryClaude Fable 5.1Gemini 3.5 Flash Lite
General LLM
#6 · Near-SOTA · General LLM
Margin 3.191489361702125
LMArena leaderboard dataset · Oct 13, 2026
#63 · #63 in General LLM
Margin 33.51063829787235
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#5 · Near-SOTA · Reasoning
Margin 3.191489361702125
LMArena leaderboard dataset · Oct 13, 2026
#67 · #67 in Reasoning
Margin 36.170212765957444
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—
#64 · #64 in Science
Margin —
Epoch AI benchmarking hub · Jul 21, 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 3.200000000000003
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#6 · Near-SOTA · Long context
Margin 3.1914893617021107
LMArena leaderboard dataset · Oct 13, 2026
#65 · #65 in Long context
Margin 34.57446808510639
LMArena leaderboard dataset · Oct 13, 2026
Vision
#6 · #6 in Vision
Margin 18.421052631578945
Epoch AI benchmarking hub · Sep 1, 2026
#31 · #31 in Vision
Margin 94.73684210526315
Epoch AI benchmarking hub · Jul 21, 2026
Factuality
#1 · Co-SOTA · Factuality
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#64 · #64 in Factuality
Margin 37.7906976744186
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#3 · #3 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 1, 2026
#42 · #42 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jul 21, 2026
Price per 1M tokens

Claude Fable 5.1: $20 per 1M blended tokens.

Gemini 3.5 Flash Lite: $0.85 per 1M blended tokens.

Open weights

Claude Fable 5.1: closed weights.

Gemini 3.5 Flash Lite: closed weights.

Which to pick

General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in General LLM at #6 against #63.

Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in Reasoning at #5 against #67.

Long context: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in Long context at #6 against #65.

Vision: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in Vision at #6 against #31.

Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in Factuality at #1 against #64.

Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in Abstraction (ARC) at #3 against #42.

Claude Fable 5.1 · Gemini 3.5 Flash Lite

Claude Fable 5.1 or Gemini 3.5 Flash Lite?

As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in 6 of 6 shared categories: General LLM, Reasoning, Long context, Vision, Factuality, and Abstraction (ARC).

Claude Fable 5.1 or Gemini 3.5 Flash Lite for General LLM?

As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in General LLM at #6 against #63.

Claude Fable 5.1 or Gemini 3.5 Flash Lite for Reasoning?

As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in Reasoning at #5 against #67.

Claude Fable 5.1 or Gemini 3.5 Flash Lite for Long context?

As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash Lite in Long context at #6 against #65.