DeepSeek releases DeepSeek-V4.1-Flash-1017, a minor update to DeepSeek-V4.1-Flash | Model Release
DeepSeek AI released the open source DeepSeek V4.1 Flash 1017 model on October 17, 2026, describing it as a minor update to DeepSeek V4.1 Flash, a 763B params…
Published on MyPrivateClaw
Oct 18, 2026, 7:15 AM UTC
Coverage date
Oct 17, 2026
Last updated
Oct 18, 2026, 7:15 AM UTC
News summary
DeepSeek AI released the open source DeepSeek V4.1 Flash 1017 model on October 17, 2026, announcing it via its official X account and placing the weights on Hugging Face and ModelScope, live on its website, app, and API. DeepSeek V4.1 Flash 1017 is a minor update to DeepSeek V4.1 Flash, a 763B params multimodal Mixture of Experts model with a 1M token context window and MIT License weights. The release uses no Jinja format chat template and ships a Python reference encoding plus a Rust deepseek recipe toolkit. DeepSeek said the new model is optimized for DeepSeek Harness, Tencent CodeBuddy, and WorkBuddy, recommending that users upgrade to DeepSeek Harness v0.2.1 rc.1 or later for the best experience. Why it matters The deployment details are the substance here. The release uses no Jinja format chat template; instead it ships a Python reference encoding plus a Rust deepseek recipe toolk…