{"slug": "deepseek-v4-1-flash-1017-is-here", "title": "DeepSeek-v4.1-Flash-1017 is here", "summary": "DeepSeek released DeepSeek-V4.1-Flash-1017, a model the company says delivers stronger benchmark performance, faster task completion and shorter outputs than its previous version — what DeepSeek called \"a Pareto improvement in performance and cost\" — now live on its website, app and API. DeepSeek said the model is optimized for DeepSeek Harness, Tencent CodeBuddy and WorkBuddy, and that users should upgrade to DeepSeek Harness v0.2.1-rc.1 or later for the best experience. DeepSeek also opened its Search and Fetch APIs to everyone, powered by an in-house search engine serving hundreds of millions of requests daily, at $0.75 per 1,000 calls per endpoint.", "body_md": "DeepSeek on X: \"🚀 DeepSeek-V4.1-Flash-1017 is here!\nStronger benchmark performance, faster task completion, and shorter outputs than the previous version—a Pareto improvement in performance and cost. Now live on our website, app, and API.\n🛠️ Optimized for @DeepSeekHarness, Tencent CodeBuddy, WorkBuddy, and more. Upgrade to DeepSeek Harness v0.2.1-rc.1 or later for the best experience with the new model.\n1/4\"\n\n🚀 DeepSeek-V4.1-Flash-1017 is here!\nStronger benchmark performance, faster task completion, and shorter outputs than the previous version—a Pareto improvement in performance and cost. Now live on our website, app, and API.\n🛠️ Optimized for @DeepSeekHarness, Tencent CodeBuddy, WorkBuddy, and more. Upgrade to DeepSeek Harness v0.2.1-rc.1 or later for the best experience with the new model.\n1/4\n\n🚀 DeepSeek-V4.1-Flash-1017 is here!\nStronger benchmark performance, faster task completion, and shorter outputs than the previous version—a Pareto improvement in performance and cost. Now live on our website, app, and API.\n🛠️ Optimized for @DeepSeekHarness, Tencent CodeBuddy, WorkBuddy, and more. Upgrade to DeepSeek Harness v0.2.1-rc.1 or later for the best experience with the new model.\n1/4\n\n🎮 Build complete projects from scratch\nDeepSeek-V4.1-Flash-1017 uses reinforcement learning with self-feedback to improve end-to-end project development—from game creation to 3D modeling.\nSee it in action 👇\n2/4\n\n🔍 Search & Fetch APIs are now open to everyone!\nPowered by our in-house search engine, serving hundreds of millions of requests daily worldwide.\n💰 Each endpoint: $0.75 per 1,000 calls.\n📖 Docs: api-docs.deepseek.com/guides/search\n📌 Search & Fetch calls via server-side tools in DeepSeek", "url": "https://wpnews.pro/news/deepseek-v4-1-flash-1017-is-here", "canonical_source": "https://twitter.com/deepseek_ai/status/2111375640717033777", "published_at": "2026-10-17 08:39:15+00:00", "updated_at": "2026-10-17 10:35:21.137818+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "ai-tools", "ai-search", "artificial-intelligence"], "entities": ["DeepSeek", "DeepSeek-V4.1-Flash-1017", "DeepSeek Harness", "Tencent CodeBuddy", "WorkBuddy"], "also_reported_by": [{"url": "https://www.marktechpost.com/2026/10/17/deepseek-just-released-v4-1-flash-1017-scores-77-0-on-deepswe-opens-search-api/", "source": "marktechpost.com", "title": "DeepSeek Just Released V4.1-Flash-1017, Scores 77.0 on DeepSWE, Opens Search API", "published_at": "2026-10-17T08:53:58+00:00"}, {"url": "https://api-docs.deepseek.com/news/news261017/", "source": "api-docs.deepseek.com", "title": "DeepSeek-v4.1-Flash-1017: Wish-Driven Programming Made Real", "published_at": "2026-10-17T10:15:53+00:00"}], "alternates": {"html": "https://wpnews.pro/news/deepseek-v4-1-flash-1017-is-here", "markdown": "https://wpnews.pro/news/deepseek-v4-1-flash-1017-is-here.md", "text": "https://wpnews.pro/news/deepseek-v4-1-flash-1017-is-here.txt", "jsonld": "https://wpnews.pro/news/deepseek-v4-1-flash-1017-is-here.jsonld"}}