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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
Describe what you want and DeepSeek 4.1 Flash 1017 builds it — playable games, 3D scenes and clips at lower cost, on web, app and API.
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What the Flash Release Brings to Your Builds
This release pushes benchmark scores higher while cutting latency and output size at the same time. It is tuned for full project builds rather than one-off edits, so a single prompt can carry an idea from first line to finished result.
- Better Quality at a Lower PriceBenchmark results improve while each job finishes sooner and returns a tighter answer — you gain on quality and cost together instead of trading one away for the other.
- Whole Builds From a Single WishSelf-feedback reinforcement learning lets the model carry an idea through an entire build — a racing game, a palace model, an interactive 3D timeline — rather than producing isolated snippets.
- Open Weights You Can HostWeights are published openly on Hugging Face and ModelScope, so your team can download them and run the release on its own infrastructure.
Three Ways Into the Flash Release
Pick the path that fits your workflow: the hosted products, an upgraded Harness build, or direct calls to the Search and Fetch endpoints.
Search, Fetch and Vision Inside the Flash Model
Live web retrieval, image understanding and success-based pricing — here is the toolkit DeepSeek 4.1 Flash 1017 hands to your agents.
Built-In Search API
A query goes in and structured page results come out, powered by DeepSeek's own crawler and engine, which handles hundreds of millions of calls every day worldwide.
Fetch Returns Clean Markdown
One URL at a time, Fetch retrieves a page and hands it back as Markdown, giving agents and RAG pipelines clean live web text to reason over.
Image Understanding Built In
The deepseek-flash model reads pictures alongside text — captioning a photo, lifting wording from a screenshot or interpreting a chart — with JPEG, PNG, GIF and WebP all accepted.
Three Ways to Send Images
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 may reach 64 MiB.
Pay Only for Successful Calls
Each 1,000 calls is $0.75, charged solely when a request actually returns something — failed calls, empty searches and timeouts cost nothing.
Tuned for Popular Coding Tools
The release is optimised for DeepSeek Harness, Tencent CodeBuddy and WorkBuddy, and server-side Search and Fetch stay free for API users until billing starts.
DeepSeek 4.1 Flash 1017: Common Questions
Straight answers on the release, its pricing, the tools that support it and where to find the open weights.
What exactly is DeepSeek-V4.1-Flash-1017?
DeepSeek's latest Flash release. It lifts benchmark scores, finishes work in less time and returns shorter answers, and it is already live across the website, the app and the API.
How is it different from the last version?
It does not trade one against the other: scores rise while jobs complete faster and outputs get shorter, so quality and spend improve in the same step.
Which tools already support it?
DeepSeek Harness v0.2.1-rc.1 and newer, Tencent CodeBuddy, WorkBuddy and several optimised integrations are ready to use today.
Do Search and Fetch cost anything?
Server-side calls inside Harness, Claude Code and Codex are free for API users at the moment; charging begins on 31 October 2026 at 16:00 UTC.
Where do I get the open weights?
Both Hugging Face and ModelScope host them under the DeepSeek-V4.1-Flash-1017 repository names.
Which image formats can it read?
JPEG, PNG, GIF and WebP are all accepted. The model inspects the bytes themselves, so a mislabelled extension or an incorrect MIME type will not trip it up.
Start Building With the Flash Release
Jump into the website, the app or the API, update to DeepSeek Harness v0.2.1-rc.1 or newer, or download the weights from Hugging Face and ModelScope — DeepSeek 4.1 Flash 1017 is ready when you are.