DeepSeek
DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 is an open-weight mixture-of-experts (MoE) model from DeepSeek with image and text input and a 1M-token context window. DeepSeek describes it as a minor update to DeepSeek V4.1 Flash that improves reasoning, coding, agentic and visual results while finishing tasks faster and with shorter outputs. It is released under the MIT license.
- Model ID
- deepseek-ai/DeepSeek-V4.1-Flash-1017
DeepSeek V4.1 Flash 1017 specifications
| Developer | DeepSeek |
|---|---|
| Architecture | Mixture of experts (MoE) |
| Experts | 384 routed experts, 6 selected per token, 1 shared |
| Layers | 40 |
| Native context length | 1M tokens |
| Native input modalities | Text and images |
| Lineage | Minor update to DeepSeek V4.1 Flash |
| License | MIT |
Built for
- Agentic and coding tasks where speed and cost per task matter
- Image and text understanding in one model
- Long-context work across up to 1M tokens
On Alchemy Inference
Supported features
- Streaming
- Tool calling
- Structured outputs
- JSON mode
- Prompt caching
Input
Text and images
API endpoints
Chat completions, Completions, Responses (OpenAI-compatible)
Frequently asked questions about DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 is a DeepSeek mixture-of-experts model with image and text input and a 1M-token context window, released under the MIT license. DeepSeek describes it as a minor update to DeepSeek V4.1 Flash with better reasoning, coding, agentic and visual results.
According to DeepSeek, the 1017 update improves reasoning, coding, agentic tasks and visual benchmarks, and reduces task execution time and output length, so tasks finish faster and at lower cost.
Yes. The model accepts text and images, and on Alchemy you can send both.
DeepSeek lists a 1M-token context window. The context and output limits available on Alchemy Inference are shown in your dashboard.
The MIT license, for both the repository and the model weights.
With Token Based APIs, call DeepSeek V4.1 Flash 1017 through Alchemy's OpenAI-compatible API with the model ID deepseek-ai/DeepSeek-V4.1-Flash-1017 and pay for the tokens you use. Dedicated Deployments are not offered for this model. Join the waitlist for early access; once you're in, the in-app quickstart walks you through your first request.
Current pricing and limits for DeepSeek V4.1 Flash 1017 are listed in your dashboard once you're in.
Alchemy Inference operates with zero data retention (ZDR).
Start building with DeepSeek V4.1 Flash 1017.
Join the waitlist for early access and up to $1,000 in free credits.