# Muse Spark 1.2 vs Muse Spark 1.3

As of Oct 15, 2026, Muse Spark 1.2 leads Muse Spark 1.3 in 2 of 6 shared categories: General LLM and Factuality.

Muse Spark 1.2: $2.0000000000000004 per 1M blended tokens.

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

Muse Spark 1.2: closed weights.

Muse Spark 1.3: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.2 leads Muse Spark 1.3 in General LLM at #8 against #9.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads Muse Spark 1.2 in Reasoning at #8 against #11.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark 1.3 leads Muse Spark 1.2 in Coding › Web dev at #11 against #42.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark 1.3 leads Muse Spark 1.2 in Long context at #15 against #17.
- Which to pick, Vision: As of Oct 15, 2026, Muse Spark 1.3 leads Muse Spark 1.2 in Vision at #8 against #27.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark 1.2 leads Muse Spark 1.3 in Factuality at #9 against #12.

As of Oct 15, 2026, Muse Spark 1.2 is a former state-of-the-art holder in General LLM (since Sep 11, 2026; sources LMArena Text (style-controlled, overall); 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).