{"slug": "deepseek-v4-1-flash-is-now-available-for-internal-beta-testing", "title": "DeepSeek v4.1 Flash is now available for internal beta testing", "summary": "DeepSeek has released DeepSeek v4.1 Flash for internal beta testing, featuring a new model architecture with native multimodal support, stronger capabilities, faster speed, and lower cost. Developers can access it by keeping the base_url unchanged and setting the model name to 'deepseek-v4.1-flash-expires-on-0910', with pricing identical to 'deepseek-v4-flash' and an account-level rate limit of 20 concurrent requests.", "body_md": "| [Guidelines](newsguidelines.html) \\|[FAQ](newsfaq.html) \\|[Lists](lists) \\|[API](https://github.com/HackerNews/API) \\|[Security](security.html) \\|[Legal](https://www.ycombinator.com/legal/) \\|[Apply to YC](https://www.ycombinator.com/apply/) \\|[Contact](mailto:hn@ycombinator.com) | \n\n|  | **[Hacker News](news)**[new](newest) \\|[past](front) \\|[comments](newcomments) \\|[ask](ask) \\|[show](show) \\|[jobs](jobs) \\|[submit](submit) | [login](login?goto=item%3Fid%3D49607094) | \n\n|  |  | [DeepSeek v4.1 Flash is now available for internal beta testing](item?id=49607094) | \n|  |  | 3 points by [dares2573](user?id=dares2573)[26 minutes ago](item?id=49607094) \\|[hide](hide?id=49607094&goto=item%3Fid%3D49607094) \\|[past](https://hn.algolia.com/?query=DeepSeek%20v4.1%20Flash%20is%20now%20available%20for%20internal%20beta%20testing&type=story&dateRange=all&sort=byDate&storyText=false&prefix&page=0) \\|[favorite](fave?id=49607094&auth=1fb12860137f5c25d779e25b901d5cf3200c678e) \\|[discuss](item?id=49607094) | \n|  |  | DeepSeek V4.1 Flash is now available for internal beta testing. It uses a new model architecture, with native multimodal support, stronger capabilities, faster speed, and lower cost. Keep the `base_url` unchanged and set the model name to `deepseek-v4.1-flash-expires-on-0910` to use it. Pricing is currently the same as `deepseek-v4-flash`, with an account-level rate limit of 20 concurrent requests. |", "url": "https://wpnews.pro/news/deepseek-v4-1-flash-is-now-available-for-internal-beta-testing", "canonical_source": "https://news.ycombinator.com/item?id=49607094", "published_at": "2026-09-08 08:04:38+00:00", "updated_at": "2026-09-08 08:32:18.267712+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "generative-ai", "ai-products"], "entities": ["DeepSeek", "DeepSeek v4.1 Flash", "deepseek-v4.1-flash-expires-on-0910", "deepseek-v4-flash"], "alternates": {"html": "https://wpnews.pro/news/deepseek-v4-1-flash-is-now-available-for-internal-beta-testing", "markdown": "https://wpnews.pro/news/deepseek-v4-1-flash-is-now-available-for-internal-beta-testing.md", "text": "https://wpnews.pro/news/deepseek-v4-1-flash-is-now-available-for-internal-beta-testing.txt", "jsonld": "https://wpnews.pro/news/deepseek-v4-1-flash-is-now-available-for-internal-beta-testing.jsonld"}}