Muse Spark 1.2vsKimi K1.5
Muse Spark 1.2 | Kimi K1.5 | |
|---|---|---|
| Specifications | ||
Context window | 1M | 128k |
| Benchmarks | ||
Agentic coding DeepSWE 1.1Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. (Version 1.1 of the test.) Higher is better. | 59.3% | — |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | 82.9% | — |
| Overview | ||
| Company | Meta | Moonshot AI |
| Release date | Aug 5 2026 | Jan 20 2025 |
| Access | Proprietary | Proprietary |
Which is better: Muse Spark 1.2 or Kimi K1.5?
Muse Spark 1.2 and Kimi K1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K1.5 shipped 562 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.
Context windows are 1M (Muse Spark 1.2) vs 128k (Kimi K1.5).
Direct benchmark comparisons are unavailable — Muse Spark 1.2 and Kimi K1.5 don't publish scores on any of the same benchmarks.
Frequently asked questions
Muse Spark 1.2 was released by Meta on Aug 5 2026.
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
Muse Spark 1.2 has a 1M context window; Kimi K1.5 has 128k.
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