Kimi K2.5 (Reasoning) vs Muse Spark
Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Muse Spark leads for most workloads.
Based on BenchLM composite scores, July 2026.
Kimi K2.5 (Reasoning)
72
Muse Spark
76
Pick Muse Spark if you want the stronger benchmark profile. Kimi K2.5 (Reasoning) only becomes the better choice if knowledge is the priority.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Kimi K2.5 (Reasoning) | Δ | Muse Spark |
|---|---|---|---|
| Knowledge | 87.2 | ← 36.8 | 50.4 |
| Coding | 76.8 | ← 15.1 | 61.7 |
| Agentic | 55.0 | → 4.0 | 59.0 |
| Multimodal | 78.5 | → 4.0 | 82.5 |
| Reasoning | — | — | 42.5 |
Operational Comparison
Kimi K2.5 (Reasoning)
Muse Spark
$0.6 / $3
N/A
N/A
N/A
N/A
N/A
128K
262K
Quick Verdict
Pick Muse Spark if you want the stronger benchmark profile. Kimi K2.5 (Reasoning) only becomes the better choice if knowledge is the priority.
Muse Spark is clearly ahead on the provisional aggregate, 76 to 72. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Muse Spark's sharpest advantage is in agentic, where it averages 59 against 55. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 50.8% to 59%. Kimi K2.5 (Reasoning) does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Muse Spark gives you the larger context window at 262K, compared with 128K for Kimi K2.5 (Reasoning).
Benchmark Deep Dive
Frequently Asked Questions (5)
Which is better, Kimi K2.5 (Reasoning) or Muse Spark?
Muse Spark is ahead on BenchLM's provisional leaderboard, 76 to 72. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 50.8% and 59%.
Which is better for knowledge tasks, Kimi K2.5 (Reasoning) or Muse Spark?
Kimi K2.5 (Reasoning) has the edge for knowledge tasks in this comparison, averaging 87.2 versus 50.4. Inside this category, AA-Omniscience Index is the benchmark that creates the most daylight between them.
Which is better for coding, Kimi K2.5 (Reasoning) or Muse Spark?
Kimi K2.5 (Reasoning) has the edge for coding in this comparison, averaging 76.8 versus 61.7. Inside this category, Terminal-Bench Hard is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Kimi K2.5 (Reasoning) or Muse Spark?
Muse Spark has the edge for agentic tasks in this comparison, averaging 59 versus 55. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for multimodal and grounded tasks, Kimi K2.5 (Reasoning) or Muse Spark?
Muse Spark has the edge for multimodal and grounded tasks in this comparison, averaging 82.5 versus 78.5. Inside this category, AA-MMMU-Pro is the benchmark that creates the most daylight between them.
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