# Muse Spark 1.1 vs O3

As of Oct 14, 2026, Muse Spark 1.1 leads O3 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.

Muse Spark 1.1: $2.0000000000000004 per 1M blended tokens.

O3: $3.5 per 1M blended tokens.

Muse Spark 1.1: closed weights.

O3: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Muse Spark 1.1 leads O3 in General LLM at #10 against #78.
- Which to pick, Reasoning: As of Oct 14, 2026, Muse Spark 1.1 leads O3 in Reasoning at #13 against #90.
- Which to pick, Long context: As of Oct 14, 2026, Muse Spark 1.1 leads O3 in Long context at #33 against #110.
- Which to pick, Factuality: As of Oct 14, 2026, Muse Spark 1.1 leads O3 in Factuality at #32 against #105.

As of Oct 14, 2026, Muse Spark 1.1 is a former state-of-the-art holder in General LLM (since Jul 20, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 2026, O3 is a former state-of-the-art holder in General LLM (since Jul 28, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).