# Claude Opus 5.5 vs Command A 03 2025

As of Oct 15, 2026, Claude Opus 5.5 leads Command A 03 2025 in 2 of 2 shared categories: Long context and Factuality.

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

Command A 03 2025: price per 1M tokens is unset in the catalog.

Claude Opus 5.5: closed weights.

Command A 03 2025: open weights.

- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 5.5 leads Command A 03 2025 in Long context at #1 against #188.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 5.5 leads Command A 03 2025 in Factuality at #1 against #162.

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, Command A 03 2025 is a former state-of-the-art holder in Long context (since Mar 25, 2025; sources LMArena Text (style-controlled, longer query); methodology v1.0).