DeepSeek V4.1 Flash 1017
DeepSeek’s faster, cheaper Flash model, plus a search API
1
Product Hunt Upvotes
Oct 18, 2026
Launch Date
Oct 19, 2026
First Tracked
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AI Summary
DeepSeek V4.1 Flash 1017 is an updated version of DeepSeek's Flash model, offering improved performance with faster task completion, higher scoring, and shorter outputs, while supporting a 1M-token context and featuring a new Search and Fetch API, with pricing at $0.30 in and $1.20 out per 1M tokens.
DeepSeek-V4.1-Flash-1017 is a new post-training update to DeepSeek’s Flash model, served as deepseek-flash on the website, app and API. DeepSeek says it scores higher, finishes tasks faster and writes shorter outputs than the September version. It has a 1M-token context and is tuned for coding agents like DeepSeek Harness. It also adds a Search and Fetch API. Peak price is $0.30 in and $1.20 out per 1M tokens.
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