# Claude Opus 4 vs Muse Spark 1.3

As of Oct 15, 2026, Claude Opus 4 leads Muse Spark 1.3 in 0 of 3 shared categories.

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

Muse Spark 1.3: $2.0000000000000004 per 1M blended tokens.

Claude Opus 4: closed weights.

Muse Spark 1.3: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.3 leads Claude Opus 4 in General LLM at #9 against #131.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads Claude Opus 4 in Reasoning at #8 against #125.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark 1.3 leads Claude Opus 4 in Long context at #15 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 1.3 is state of the art on best per dollar in Coding › Web dev (since Oct 14, 2026; sources LMArena WebDev; methodology v1.0).