changelog / post
DeepSeek V4.1 Flash available on Baseten
DeepSeek V4.1 Flash is now available through Baseten Model APIs. The 552B-parameter multimodal successor to DeepSeek V4 Flash 0731, it is purpose-built for agentic, coding workflows, and has reasoning and tool calling built in.
Send requests to deepseek-ai/DeepSeek-V4.1-Flash through our OpenAI-compatible endpoint with your Baseten API key:
curl https://inference.baseten.co/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $BASETEN_API_KEY" \
-d '{
"model": "deepseek-ai/DeepSeek-V4.1-Flash",
"messages": [
{"role": "user", "content": "Explain the Navier–Stokes smoothness problem."}
],
"reasoning_effort": "high"
}'For more information, see our docs.