# GPT-5.6 Sol vs Muse Spark

As of Oct 14, 2026, GPT-5.6 Sol leads Muse Spark in 4 of 6 shared categories: Reasoning, Science, Long context, and Factuality.

GPT-5.6 Sol: $8.000000000000002 per 1M blended tokens.

Muse Spark: price per 1M tokens is unset in the catalog.

GPT-5.6 Sol: closed weights.

Muse Spark: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Muse Spark leads GPT-5.6 Sol in General LLM at #12 against #17.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-5.6 Sol leads Muse Spark in Reasoning at #12 against #17.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.6 Sol leads Muse Spark in Science at #13 against #37.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Muse Spark leads GPT-5.6 Sol in Coding › Web dev at #8 against #21.
- Which to pick, Long context: As of Oct 14, 2026, GPT-5.6 Sol leads Muse Spark in Long context at #13 against #38.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.6 Sol leads Muse Spark in Factuality at #14 against #23.

As of Oct 14, 2026, GPT-5.6 Sol is near state of the art, rank #3 in Vision (since Oct 14, 2026; sources GDP.pdf; methodology v1.0).

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