Compare · 2026-10-14

Claude Sonnet 5.5 vs Grok 4.6

As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in 9 of 9 shared categories: General LLM, Reasoning, Science, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, and Factuality.

CategoryClaude Sonnet 5.5Grok 4.6
General LLM
#27 · #27 in General LLM
Margin 18.367346938775512
LMArena leaderboard dataset · Oct 13, 2026
#48 · #48 in General LLM
Margin 32.65306122448979
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#18 · #18 in Reasoning
Margin 13.013698630136986
LMArena leaderboard dataset · Oct 13, 2026
#44 · #44 in Reasoning
Margin 30.821917808219183
LMArena leaderboard dataset · Oct 13, 2026
Math
#4 · #4 in Math
Margin 6.666666666666671
Epoch AI benchmarking hub · Sep 28, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science
#3 · #3 in Science
Margin —
Epoch AI benchmarking hub · Sep 28, 2026
#10 · #10 in Science
Margin —
Epoch AI benchmarking hub · Aug 12, 2026
Coding
#1 · Co-SOTA · Coding
Margin 0
Terminal-Bench Harbor Hub · Oct 6, 2026
#14 · #14 in Coding
Margin 68.18181818181819
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Agentic
#1 · Co-SOTA · Coding › Agentic
Margin 0
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
#3 · Near-SOTA · Coding › Web dev
Margin 1.8691588785046775
LMArena leaderboard dataset · Oct 13, 2026
#20 · #20 in Coding › Web dev
Margin 17.757009345794387
LMArena leaderboard dataset · Oct 13, 2026
Long context
#11 · #11 in Long context
Margin 7.482993197278915
LMArena leaderboard dataset · Oct 13, 2026
#41 · #41 in Long context
Margin 27.89115646258503
LMArena leaderboard dataset · Oct 13, 2026
Vision
#1 · Co-SOTA · Vision
Margin 0
Epoch AI benchmarking hub · Sep 28, 2026
#24 · #24 in Vision
Margin 65.78947368421052
Epoch AI benchmarking hub · Aug 12, 2026
Factuality
#16 · #16 in Factuality
Margin 12.68656716417911
LMArena leaderboard dataset · Oct 13, 2026
#51 · #51 in Factuality
Margin 38.80597014925373
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)—
#20 · #20 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Aug 12, 2026
Price per 1M tokens

Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.

Grok 4.6: $3 per 1M blended tokens.

Open weights

Claude Sonnet 5.5: closed weights.

Grok 4.6: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in General LLM at #27 against #48.

Reasoning: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Reasoning at #18 against #44.

Science: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Science at #3 against #10.

Coding: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Coding at #1 against #14.

Coding › Agentic: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Coding › Agentic at #1 against #14.

Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Coding › Web dev at #3 against #20.

Long context: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Long context at #11 against #41.

Vision: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Vision at #1 against #24.

Factuality: As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Factuality at #16 against #51.

Claude Sonnet 5.5 · Grok 4.6

Claude Sonnet 5.5 or Grok 4.6?

As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in 9 of 9 shared categories: General LLM, Reasoning, Science, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, and Factuality.

Claude Sonnet 5.5 or Grok 4.6 for General LLM?

As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in General LLM at #27 against #48.

Claude Sonnet 5.5 or Grok 4.6 for Reasoning?

As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Reasoning at #18 against #44.

Claude Sonnet 5.5 or Grok 4.6 for Science?

As of Oct 14, 2026, Claude Sonnet 5.5 leads Grok 4.6 in Science at #3 against #10.