# Claude Opus 4 vs Muse Spark 1.1

As of Oct 15, 2026, Claude Opus 4 leads Muse Spark 1.1 in 0 of 3 shared categories.

Claude Opus 4: price per 1M tokens is unset in the catalog.

Muse Spark 1.1: $2.0000000000000004 per 1M blended tokens.

Claude Opus 4: closed weights.

Muse Spark 1.1: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.1 leads Claude Opus 4 in General LLM at #10 against #131.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.1 leads Claude Opus 4 in Reasoning at #13 against #125.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark 1.1 leads Claude Opus 4 in Long context at #38 against #86.

As of Oct 15, 2026, Claude Opus 4 is a former state-of-the-art holder in Reasoning (since Jun 3, 2025; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, Muse Spark 1.1 is a former state-of-the-art holder in General LLM (since Jul 20, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).