# GPT-5.6 Luna vs Muse Spark 1.2

As of Oct 15, 2026, GPT-5.6 Luna leads Muse Spark 1.2 in 1 of 6 shared categories: Vision.

GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.

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

GPT-5.6 Luna: closed weights.

Muse Spark 1.2: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.2 leads GPT-5.6 Luna in General LLM at #8 against #66.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.2 leads GPT-5.6 Luna in Reasoning at #11 against #69.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark 1.2 leads GPT-5.6 Luna in Coding › Web dev at #42 against #46.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark 1.2 leads GPT-5.6 Luna in Long context at #17 against #80.
- Which to pick, Vision: As of Oct 15, 2026, GPT-5.6 Luna leads Muse Spark 1.2 in Vision at #19 against #27.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark 1.2 leads GPT-5.6 Luna in Factuality at #9 against #39.

As of Oct 15, 2026, GPT-5.6 Luna is ranked #16 in Coding (since Oct 15, 2026; sources Terminal-Bench 4.0; 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).