DeepSeek V4.1 Flash 1017 boosts speed and benchmarks
According to DeepSeek on X, DeepSeek-V4.1-Flash-1017 delivers stronger benchmark performance, faster task completion, and shorter outputs, and is live on its website, app, and API with optimizations for DeepSeek Harness v0.2.1-rc.1, Tencent CodeBuddy, and WorkBuddy.
SourceAnalysis
DeepSeek announced DeepSeek-V4.1-Flash-1017 on October 17, 2026, through its official X account.
The model delivers stronger benchmark performance, faster task completion, and shorter outputs than the prior version, described as a Pareto improvement in performance and cost. It is now live on the company's website, app, and API, with optimizations for DeepSeekHarness, Tencent CodeBuddy, WorkBuddy, and similar tools. Users are advised to upgrade to DeepSeek Harness v0.2.1-rc.1 or later for optimal results.
DeepSeek
@deepseek_aiDeepSeek is a cutting-edge artificial intelligence platform designed to provide advanced solutions for data analysis, natural language processing, and intelligent decision-making.