Compare · 2026-10-14

Claude Opus 5.5 vs Grok 3 Mini

As of Oct 14, 2026, Claude Opus 5.5 leads Grok 3 Mini in 2 of 2 shared categories: Long context and Abstraction (ARC).

CategoryClaude Opus 5.5Grok 3 Mini
General LLM
#2 · Near-SOTA · General LLM
Margin 1.3605442176870781
LMArena leaderboard dataset · Oct 13, 2026
—
Reasoning
#1 · Co-SOTA · Reasoning
Margin 0
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
#31 · #31 in Science
Margin —
Epoch AI benchmarking hub · Sep 22, 2026
—
Coding
#1 · Co-SOTA · Coding
Margin 0
Terminal-Bench Harbor Hub · Oct 6, 2026
—
Coding › Agentic
#1 · Co-SOTA · Coding › Agentic
Margin 0
Terminal-Bench Harbor Hub · Oct 6, 2026
—
Coding › Web dev
#1 · SOTA · Coding › Web dev
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#1 · Co-SOTA · Long context
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#142 · #142 in Long context
Margin 96.59863945578232
LMArena leaderboard dataset · Oct 13, 2026
Vision
#4 · Near-SOTA · Vision
Margin 13.15789473684211
Epoch AI benchmarking hub · Sep 22, 2026
—
Factuality
#1 · Co-SOTA · Factuality
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
—
Abstraction (ARC)
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 22, 2026
#75 · #75 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jun 24, 2025
Price per 1M tokens

Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.

Grok 3 Mini: price per 1M tokens is unset in the catalog.

Open weights

Claude Opus 5.5: closed weights.

Grok 3 Mini: closed weights.

Which to pick

Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 3 Mini in Long context at #1 against #142.

Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5.5 leads Grok 3 Mini in Abstraction (ARC) at #1 against #75.

Claude Opus 5.5 · Grok 3 Mini

Claude Opus 5.5 or Grok 3 Mini?

As of Oct 14, 2026, Claude Opus 5.5 leads Grok 3 Mini in 2 of 2 shared categories: Long context and Abstraction (ARC).

Claude Opus 5.5 or Grok 3 Mini for Long context?

As of Oct 14, 2026, Claude Opus 5.5 leads Grok 3 Mini in Long context at #1 against #142.

Claude Opus 5.5 or Grok 3 Mini for Abstraction (ARC)?

As of Oct 14, 2026, Claude Opus 5.5 leads Grok 3 Mini in Abstraction (ARC) at #1 against #75.