Muse Spark 1.2vsKimi-Dev
Muse Spark 1.2 | Kimi-Dev | |
|---|---|---|
| Specifications | ||
Parameters | — | 72B |
Context window | 1M | — |
| 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 | Jun 17 2025 |
| Access | Proprietary | Open Weight |
Which is better: Muse Spark 1.2 or Kimi-Dev?
Muse Spark 1.2 and Kimi-Dev don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi-Dev shipped 414 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.
Muse Spark 1.2 is proprietary, while Kimi-Dev is open weight.
Direct benchmark comparisons are unavailable — Muse Spark 1.2 and Kimi-Dev 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-Dev was released by Moonshot AI on Jun 17 2025.
Muse Spark 1.2 is a proprietary model released by Meta. Kimi-Dev is an open weight model released by Moonshot AI.
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