Muse Spark 1.3 vs O3 Mini
As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Muse Spark 1.3
Yes. Yes on Coding › Web dev (best per dollar); Vision (best per dollar). Not the overall leader.
O3 Mini
It used to be. Was SOTA in Reasoning.
| Category | Muse Spark 1.3 | O3 Mini |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 | #10 · #10 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #8 · #8 in Reasoning Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 | #172 · Was SOTA · Reasoning Margin 92.02127659574468 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | — | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 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 | #186 · #186 in Long context Margin 98.93617021276596 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #8 · #8 in Vision Margin 23.684210526315795 Epoch AI benchmarking hub · Sep 2, 2026 | — |
| Factuality | #12 · #12 in Factuality Margin 7.558139534883736 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | — | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
Muse Spark 1.3: $2.0000000000000004 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
Muse Spark 1.3: closed weights.
O3 Mini: closed weights.
General LLM: As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in General LLM at #9 against #10.
Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in Reasoning at #8 against #172.
Long context: As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in Long context at #15 against #186.
Muse Spark 1.3 or O3 Mini?
As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Muse Spark 1.3 or O3 Mini for General LLM?
As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in General LLM at #9 against #10.
Muse Spark 1.3 or O3 Mini for Reasoning?
As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in Reasoning at #8 against #172.
Muse Spark 1.3 or O3 Mini for Long context?
As of Oct 15, 2026, Muse Spark 1.3 leads O3 Mini in Long context at #15 against #186.