DeepSeek V3.1 Terminus vs Muse Spark 1.1
DeepSeek DeepSeek V3.1 Terminus | Meta Muse Spark 1.1 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | Meta |
| Release date | Sep 22 2025 | Jul 9 2026 |
| Access | Open Weight | Proprietary |
| Benchmarks | ||
Agentic coding SWE-Bench ProCan the AI fix real bugs in real software? It's handed actual problems from open-source projects and has to write code that genuinely solves them. Higher is better. | — | 61.5% |
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. | — | 53.3% |
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. | — | 80% |
Multi-step tool use MCP AtlasCan the AI chain together many tools and steps to complete one bigger task, rather than doing just a single thing? Higher is better. | — | 88.1% |
Professional tool use JobBenchTests the AI on professional workplace tasks that require using real work tools — the kind of multi-step jobs an office worker handles. Higher is better. | — | 54.7% |
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. | — | 75.6% |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | — | 62.1% |
Agentic computer use OSWorld-VerifiedCan the AI actually operate a computer — clicking, typing, and using real apps — to finish tasks on its own? Higher is better. | — | 80.8% |
Agentic financial analysis Finance Agent v2Tests the AI on real financial-analysis work, like digging through reports and making sound decisions. Higher is better. | — | 57.2% |
Chart reasoning CharXiv ReasoningCan the AI read and reason about complex charts and figures, not just text? Higher is better. | — | 88.4% |
Visual reasoning BabyVisionTests core visual reasoning — seeing and understanding images the way even young children can, which AIs often find surprisingly hard. Higher is better. | — | 76.3% |
| Timeline | ||
| Release gap | DeepSeek V3.1 Terminus shipped 290 days before Muse Spark 1.1 | |
Which is better: DeepSeek V3.1 Terminus or Muse Spark 1.1?
DeepSeek V3.1 Terminus and Muse Spark 1.1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3.1 Terminus shipped 290 days before Muse Spark 1.1, so benchmark comparisons should account for the intervening progress.
DeepSeek V3.1 Terminus is open weight, while Muse Spark 1.1 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V3.1 Terminus and Muse Spark 1.1 don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
Muse Spark 1.1 was released by Meta on Jul 9 2026.
DeepSeek V3.1 Terminus is an open weight model released by DeepSeek. Muse Spark 1.1 is a proprietary model released by Meta.
Other comparisons
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