# Claude Opus 5.5 vs Grok 3 Mini

As of Oct 15, 2026, Claude Opus 5.5 leads Grok 3 Mini in 2 of 2 shared categories: Long context and Abstraction (ARC).

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

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

Claude Opus 5.5: closed weights.

Grok 3 Mini: closed weights.

- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 5.5 leads Grok 3 Mini in Long context at #1 against #183.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Claude Opus 5.5 leads Grok 3 Mini in Abstraction (ARC) at #1 against #75.

As of Oct 15, 2026, Claude Opus 5.5 is tied for state of the art in Reasoning (since Oct 2, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, Grok 3 Mini is ranked #75 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).