Kimi K3 vs Muse Spark
As of Oct 14, 2026, Kimi K3 leads Muse Spark in 4 of 6 shared categories: Reasoning, Science, Long context, and Factuality.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
Muse Spark
It used to be. Was SOTA in General LLM.
| Category | Kimi K3 | Muse Spark |
|---|---|---|
| General LLM | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · General LLM Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 | #17 · Was SOTA · Reasoning Margin 12.328767123287676 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #7 · Was SOTA · Math Margin 13.333333333333329 Epoch AI benchmarking hub · Apr 8, 2026 |
| Science | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 | #37 · #37 in Science Margin — Epoch AI benchmarking hub · Apr 8, 2026 |
| Coding | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Coding › Web dev Margin — LMArena leaderboard dataset · Jun 5, 2026 |
| Long context | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 | #38 · #38 in Long context Margin 25.850340136054427 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Factuality Margin 17.910447761194035 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 | — |
Kimi K3: $4.125 per 1M blended tokens.
Muse Spark: price per 1M tokens is unset in the catalog.
Kimi K3: open weights.
Muse Spark: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark leads Kimi K3 in General LLM at #12 against #13.
Reasoning: As of Oct 14, 2026, Kimi K3 leads Muse Spark in Reasoning at #7 against #17.
Science: As of Oct 14, 2026, Kimi K3 leads Muse Spark in Science at #17 against #37.
Coding › Web dev: As of Oct 14, 2026, Muse Spark leads Kimi K3 in Coding › Web dev at #8 against #11.
Long context: As of Oct 14, 2026, Kimi K3 leads Muse Spark in Long context at #8 against #38.
Factuality: As of Oct 14, 2026, Kimi K3 leads Muse Spark in Factuality at #19 against #23.
Kimi K3 or Muse Spark?
As of Oct 14, 2026, Kimi K3 leads Muse Spark in 4 of 6 shared categories: Reasoning, Science, Long context, and Factuality.
Kimi K3 or Muse Spark for General LLM?
As of Oct 14, 2026, Muse Spark leads Kimi K3 in General LLM at #12 against #13.
Kimi K3 or Muse Spark for Reasoning?
As of Oct 14, 2026, Kimi K3 leads Muse Spark in Reasoning at #7 against #17.
Kimi K3 or Muse Spark for Science?
As of Oct 14, 2026, Kimi K3 leads Muse Spark in Science at #17 against #37.