DeepSeek-V4.1-Flash Released: Smallest, Faster DeepSeek Model

Melvin Vivas · X post · 2026-09-10 · Open on X

Topics: Industry Trends & Job Market, LLM Fundamentals · Level: beginner

Summary

News that DeepSeek released DeepSeek-V4.1-Flash. It has a new architecture, is DeepSeek's smallest model so far, supports vision and runs inference faster.

Key points

• DeepSeek-V4.1-Flash uses a new architecture.
• It is DeepSeek's smallest model.
• It adds vision support.
• DeepSeek says it is smarter, faster and more efficient, with faster inference.

Resources mentioned

• DeepSeek V4.1 Flash · tool · api-docs.deepseek.com · paid
  A fast DeepSeek language model available through DeepSeek's official API.
  Also in: Using Hugging Face credits: Jobs, Inference Endpoints and Open Models (Melvin Vivas on X · notes), DeepSeek 4.1 Flash speed on the official API: about 325 tokens/s (Melvin Vivas on X · notes), One-Shot Agent Management UI with DeepSeek Harness for $0.19 (Melvin Vivas on X · notes), DeepSeek Harness: Open-Source, Browser-Based Agent for DeepSeek V4.1 (Melvin Vivas on X · notes) and 1 more