# Muse Spark vs O3 Mini

As of Oct 15, 2026, Muse Spark leads O3 Mini in 3 of 4 shared categories: Reasoning, Science, and Long context.

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

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Muse Spark: closed weights.

O3 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, O3 Mini leads Muse Spark in General LLM at #10 against #12.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark leads O3 Mini in Reasoning at #17 against #172.
- Which to pick, Science: As of Oct 15, 2026, Muse Spark leads O3 Mini in Science at #37 against #76.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark leads O3 Mini in Long context at #44 against #186.

As of Oct 15, 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).

As of Oct 15, 2026, O3 Mini is a former state-of-the-art holder in Reasoning (since Feb 9, 2025; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).