DeepSeek-V4-Flash-Vision-Exp Release: Multimodal API Now Live

DeepSeek-V4-Flash-Vision-Exp is now live on the DeepSeek API Platform! 🚀

🔹 This experimental multimodal model matches DeepSeek-V4-Flash on text capabilities—including agents, reasoning, and world knowledge.

🔹 On multimodal agent benchmarks, V4-Flash-Vision-Exp makes a major leap over V4-Flash, bringing multimodal agent performance close to Opus-4.8.

Try it with model='deepseek-v4-flash-vision-exp'. DeepSeek Harness 0.1.1 was released today with out-of-the-box support for the new model.

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Multimodality unlocks more agent use cases 👀​

V4-Flash-Vision-Exp works smoothly across agent frameworks, combining visual understanding with a wide range of tools to unlock more practical workflows.

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Multimodal API support 🔌​

🔹 Set model='deepseek-v4-flash-vision-exp'

🔹 Images are tokenized for billing: up to 384 tokens each, at V4-Flash pricing

🔹 Supports Chat Completions, Messages & Responses

🔹 Supports mixed text + image input; images can be provided via base64, external URLs, or the Files API

Docs: API Guides - Vision

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Files API is now live 📁​

🔹 Free to use

🔹 Upload an image once, then reference it by file_id to save request bandwidth

🔹 Reuse the same image across requests—no need to upload it again

Learn more: API Guides - Files API