# 🚨 DeepSeek V4.1 Flash is out

*Published on: Thu, 10 Sep 2026 14:46:48 GMT*

🚨 DeepSeek V4.1 Flash is out

• New architecture: it only uses the part of the model it actually needs, making it faster and cheaper.

• New KV cache: long conversations and agent workflows are noticeably cheaper to run.

• On coding and agent tasks, it’s already close to Opus 5 and GPT-5.6 Sol.

• And all of that at 15x lower cost.

---
[Back to home](https://alexgetman.com/) | [Read article](https://alexgetman.com/posts/417/deepseek-v4-1-flash-is-out/)