# Claude Opus 4.1 vs Muse Spark 1.3

As of Oct 14, 2026, Claude Opus 4.1 leads Muse Spark 1.3 in 0 of 5 shared categories.

Claude Opus 4.1: $29.999999999999996 per 1M blended tokens.

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

Claude Opus 4.1: closed weights.

Muse Spark 1.3: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Muse Spark 1.3 leads Claude Opus 4.1 in General LLM at #9 against #57.
- Which to pick, Reasoning: As of Oct 14, 2026, Muse Spark 1.3 leads Claude Opus 4.1 in Reasoning at #8 against #47.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Muse Spark 1.3 leads Claude Opus 4.1 in Coding › Web dev at #10 against #76.
- Which to pick, Long context: As of Oct 14, 2026, Muse Spark 1.3 leads Claude Opus 4.1 in Long context at #15 against #44.
- Which to pick, Factuality: As of Oct 14, 2026, Muse Spark 1.3 leads Claude Opus 4.1 in Factuality at #11 against #74.

As of Oct 14, 2026, Claude Opus 4.1 is a former state-of-the-art holder in General LLM (since Aug 18, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 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).