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Compare · 2026-10-15

Claude Fable 5 vs Grok 4.6

As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in 9 of 10 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).

CategoryClaude Fable 5Grok 4.6
General LLM
#3 · Near-SOTA · General LLM
Margin 1.5957446808510696
LMArena leaderboard dataset · Oct 13, 2026
#61 · #61 in General LLM
Margin 32.44680851063829
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#3 · Near-SOTA · Reasoning
Margin 2.1276595744680833
LMArena leaderboard dataset · Oct 13, 2026
#55 · #55 in Reasoning
Margin 29.787234042553195
LMArena leaderboard dataset · Oct 13, 2026
Math
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science
#56 · #56 in Science
Margin —
Epoch AI benchmarking hub · Jun 9, 2026
#10 · #10 in Science
Margin —
Epoch AI benchmarking hub · Aug 12, 2026
Coding
#6 · #6 in Coding
Margin 31.818181818181813
Terminal-Bench Harbor Hub · Oct 6, 2026
#14 · #14 in Coding
Margin 68.18181818181819
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Agentic
#6 · #6 in Coding › Agentic
Margin 31.818181818181813
Terminal-Bench Harbor Hub · Oct 6, 2026
#14 · #14 in Coding › Agentic
Margin 68.18181818181819
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Web dev
#19 · Was SOTA · Coding › Web dev
Margin 14.400000000000006
LMArena leaderboard dataset · Oct 13, 2026
#22 · #22 in Coding › Web dev
Margin 16.799999999999997
LMArena leaderboard dataset · Oct 13, 2026
Long context
#3 · Near-SOTA · Long context
Margin 1.5957446808510696
LMArena leaderboard dataset · Oct 13, 2026
#48 · #48 in Long context
Margin 25.531914893617028
LMArena leaderboard dataset · Oct 13, 2026
Vision
#5 · Was SOTA · Vision
Margin 15.78947368421052
Epoch AI benchmarking hub · Jun 9, 2026
#24 · #24 in Vision
Margin 65.78947368421052
Epoch AI benchmarking hub · Aug 12, 2026
Factuality
#7 · Was SOTA · Factuality
Margin 4.6511627906976685
LMArena leaderboard dataset · Oct 13, 2026
#62 · #62 in Factuality
Margin 36.627906976744185
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jun 9, 2026
#20 · #20 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Aug 12, 2026
Price per 1M tokens

Claude Fable 5: $20 per 1M blended tokens.

Grok 4.6: $3 per 1M blended tokens.

Open weights

Claude Fable 5: closed weights.

Grok 4.6: closed weights.

Which to pick

General LLM: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in General LLM at #3 against #61.

Reasoning: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Reasoning at #3 against #55.

Science: As of Oct 15, 2026, Grok 4.6 leads Claude Fable 5 in Science at #10 against #56.

Coding: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Coding at #6 against #14.

Coding › Agentic: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Coding › Agentic at #6 against #14.

Coding › Web dev: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Coding › Web dev at #19 against #22.

Long context: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Long context at #3 against #48.

Vision: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Vision at #5 against #24.

Factuality: As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Factuality at #7 against #62.

Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Abstraction (ARC) at #1 against #20.

Claude Fable 5 · Grok 4.6

Claude Fable 5 or Grok 4.6?

As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in 9 of 10 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).

Claude Fable 5 or Grok 4.6 for General LLM?

As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in General LLM at #3 against #61.

Claude Fable 5 or Grok 4.6 for Reasoning?

As of Oct 15, 2026, Claude Fable 5 leads Grok 4.6 in Reasoning at #3 against #55.

Claude Fable 5 or Grok 4.6 for Science?

As of Oct 15, 2026, Grok 4.6 leads Claude Fable 5 in Science at #10 against #56.