DeepSeek R1-0528vsMuse Spark 1.2
DeepSeek R1-0528 | Muse Spark 1.2 | |
|---|---|---|
| Specifications | ||
Context window | — | 1M |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 8% | — |
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 | DeepSeek | Meta |
| Release date | May 28 2025 | Aug 5 2026 |
| Access | Open Weight | Proprietary |
Which is better: DeepSeek R1-0528 or Muse Spark 1.2?
DeepSeek R1-0528 and Muse Spark 1.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek R1-0528 shipped 434 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.
DeepSeek R1-0528 is open weight, while Muse Spark 1.2 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek R1-0528 and Muse Spark 1.2 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
Muse Spark 1.2 was released by Meta on Aug 5 2026.
DeepSeek R1-0528 is an open weight model released by DeepSeek. Muse Spark 1.2 is a proprietary model released by Meta.
Other comparisons
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