Muse Spark 1.3 vs O4 Mini
As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in 3 of 3 shared categories: General LLM, Reasoning, and Factuality.
Muse Spark 1.3
Yes. Yes on Coding › Web dev (best per dollar); Vision (best per dollar). Not the overall leader.
O4 Mini
It used to be. Was SOTA in Math.
| Category | Muse Spark 1.3 | O4 Mini |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 | #162 · #162 in General LLM Margin 86.17021276595744 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #8 · #8 in Reasoning Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 | #168 · #168 in Reasoning Margin 89.8936170212766 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Math Margin 48.888888888888886 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | — | #70 · #70 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #18 · #18 in Coding Margin 86.36363636363636 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #18 · #18 in Coding › Agentic Margin 86.36363636363636 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #11 · #11 in Coding › Web dev Margin 8 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #15 · #15 in Long context Margin 7.978723404255305 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Jul 7, 2025 |
| Vision | #8 · #8 in Vision Margin 23.684210526315795 Epoch AI benchmarking hub · Sep 2, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #12 · #12 in Factuality Margin 7.558139534883736 LMArena leaderboard dataset · Oct 13, 2026 | #160 · #160 in Factuality Margin 93.6046511627907 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #39 · #39 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Muse Spark 1.3: $2.0000000000000004 per 1M blended tokens.
O4 Mini: $1.9250000000000003 per 1M blended tokens.
Muse Spark 1.3: closed weights.
O4 Mini: closed weights.
General LLM: As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in General LLM at #9 against #162.
Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in Reasoning at #8 against #168.
Factuality: As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in Factuality at #12 against #160.
Muse Spark 1.3 or O4 Mini?
As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in 3 of 3 shared categories: General LLM, Reasoning, and Factuality.
Muse Spark 1.3 or O4 Mini for General LLM?
As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in General LLM at #9 against #162.
Muse Spark 1.3 or O4 Mini for Reasoning?
As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in Reasoning at #8 against #168.
Muse Spark 1.3 or O4 Mini for Factuality?
As of Oct 15, 2026, Muse Spark 1.3 leads O4 Mini in Factuality at #12 against #160.