DeepSeek-V4-Flash-0731vsMuse Spark 1.2
DeepSeek-V4-Flash-0731 | 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. | 38% | — |
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. | 82.7% | 82.9%Best |
Personal tool use Toolathlon-VerifiedTests how well the AI uses everyday personal tools and apps to get things done — a human-checked version of Toolathlon. Higher is better. | 70.3% | — |
Cybersecurity CyberGymTests the AI on cybersecurity challenges — finding and exploiting software weaknesses inside a safe sandbox. Higher is better. | 76.7% | — |
Business workflows AutomationBenchTests whether the AI can run real multi-step business workflows — the kind of end-to-end office processes companies want to automate — from start to finish. Higher is better. | 25.1% | — |
| Overview | ||
| Company | DeepSeek | Meta |
| Release date | Jul 31 2026 | Aug 5 2026 |
| Access | Proprietary | Proprietary |
Which is better: DeepSeek-V4-Flash-0731 or Muse Spark 1.2?
Muse Spark 1.2 leads DeepSeek-V4-Flash-0731 on 1 of the 1 benchmark they both report (Terminal-Bench 2.1). DeepSeek-V4-Flash-0731 shipped 5 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On Terminal-Bench 2.1, Muse Spark 1.2 leads at 82.9% vs DeepSeek-V4-Flash-0731 at 82.7%.
Frequently asked questions
DeepSeek-V4-Flash-0731 was released by DeepSeek on Jul 31 2026.
Muse Spark 1.2 was released by Meta on Aug 5 2026.
Muse Spark 1.2 leads on Terminal-Bench 2.1 — DeepSeek-V4-Flash-0731 82.7% vs Muse Spark 1.2 82.9%.
Other comparisons
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