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Long Story Video Skill
Turn one idea into a 10s–10min story, with the model writing the script, the prompts and the footage itself.
Ads Video Skill
Produce ads and sales videos from a single brief, with scripts and prompts handled by the model.
3D Science Explainer Video Skill
Turn a science concept into a 3D explainer animation refined through self-feedback.
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deepseek 4.1 flash 1017
Meet DeepSeek 4.1 Flash 1017, a leaner model for end-to-end builds — lower cost per project, faster turnaround and sharper results on web, app and API.
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What Makes This Flash Release Stand Out
The release lifts benchmark scores while cutting job time and output length — built for end-to-end project creation, not one-off edits.
- Better Quality at Lower CostBenchmark scores rise as jobs finish faster and responses get more compact, so quality and cost improve together instead of trading off.
- Wish-to-Project WorkflowSelf-feedback reinforcement learning guides the model through complete builds — a racing game, a palace model, a 3D timeline — not just isolated snippets.
- Open Weights on Day OneWeights are published on Hugging Face and ModelScope, letting teams download the release and self-host it right away.
Three Ways to Try the Flash Model
Pick the hosted surface, update the harness, or call the search and fetch endpoints — whichever fits your workflow.
Search, Fetch and Vision in One Model
Built-in web search, page-to-Markdown fetch, image understanding and pay-per-success pricing give the model live context and visual awareness.
Native Search API
The Search API returns structured page results from DeepSeek's own crawler and engine, which handles hundreds of millions of calls daily worldwide.
Page Fetch to Markdown
Fetch retrieves one page at a time and returns it as Markdown, giving agents and RAG pipelines clean live web text to work with.
Image Understanding Inputs
The deepseek-flash model accepts pictures alongside text, so it can caption a photo, extract wording from a screenshot or read a chart — JPEG, PNG, GIF and WebP all work.
Flexible Image Upload Paths
Pass images as base64 data URLs, public http(s) links or Files API file_ids; inline payloads share a 48 MiB body cap, while uploaded files can reach 64 MiB.
Pay Only for Successful Calls
Every 1,000 calls cost $0.75, and you are charged only when a request returns something — failures, zero-result searches and timeouts cost nothing.
Tuned for Popular Dev Tools
The model is optimized for DeepSeek Harness, Tencent CodeBuddy and WorkBuddy, and server-side Search and Fetch calls stay free for API users until billing begins.
DeepSeek 4.1 Flash 1017 Questions, Answered
Quick answers on the release, its search and fetch APIs, image support and where to get the open weights.
What is the DeepSeek 4.1 Flash 1017 release?
It is DeepSeek's newest Flash model: it scores higher on benchmarks, finishes tasks sooner and returns more compact answers, and it already serves traffic on web, app and API.
How is it different from the prior Flash version?
Instead of trading quality for cost, it improves both — benchmark scores rise while jobs complete faster and outputs shrink, which is what the Pareto framing means here.
Which developer tools already support it?
DeepSeek Harness v0.2.1-rc.1 or later, Tencent CodeBuddy, WorkBuddy and other optimized integrations already work with the model.
Do Search and Fetch calls cost anything right now?
Server-side Search and Fetch calls in Harness, Claude Code and Codex are free for DeepSeek API users for now; billing starts Oct 31, 2026, at 16:00 UTC.
Where are the open weights available?
The weights are published on Hugging Face and ModelScope under the DeepSeek-V4.1-Flash-1017 repository names.
Which image file types can the model read?
Four formats work: JPEG, PNG, GIF and WebP. The model inspects the bytes themselves, so a mislabeled extension or a wrong declared MIME type will not trip it up.
Start Building With the New Flash Model
Launch the hosted tool, update to DeepSeek Harness v0.2.1-rc.1 or newer, or download the weights from Hugging Face and ModelScope to self-host.