# Gemini 3.1 Pro Preview vs Muse Spark 1.2

As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Muse Spark 1.2 in 2 of 6 shared categories: Long context and Vision.

Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.

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

Gemini 3.1 Pro Preview: closed weights.

Muse Spark 1.2: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.2 leads Gemini 3.1 Pro Preview in General LLM at #8 against #15.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.2 leads Gemini 3.1 Pro Preview in Reasoning at #11 against #14.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark 1.2 leads Gemini 3.1 Pro Preview in Coding › Web dev at #42 against #63.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Muse Spark 1.2 in Long context at #12 against #17.
- Which to pick, Vision: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Muse Spark 1.2 in Vision at #25 against #27.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark 1.2 leads Gemini 3.1 Pro Preview in Factuality at #9 against #21.

As of Oct 15, 2026, Gemini 3.1 Pro Preview is state of the art on best per dollar in Math (since Oct 14, 2026; sources Humanity's Last Exam; methodology v1.0).

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).