DeepSeek V4.1 Flash vs Muse Spark 1.3 (xhigh)

A direct, empirical evaluation of DeepSeek V4.1 Flash (DeepSeek-AI) against Muse Spark 1.3 (xhigh) (Meta AI).

DeepSeek V4.1 Flash

Developed by DeepSeek-AI · 240B parameters

Real-time production inference, high-concurrency coding agents, sub-220ms time-to-first-token, and cost-optimized long-context parsing.

Muse Spark 1.3 (xhigh)

Developed by Meta AI · Proprietary Multimodal parameters

Autonomous codebase refactoring, terminal execution, million-token long context retrieval, and agentic workflows.