DeepSeek V4.1 Flash interim build reportedly in beta: native multimodal, faster and cheaper

aigclink · x · 2026-09-08

An unverified report claims a DeepSeek V4.1 Flash interim build has entered beta testing with a new architecture, native multimodal support, and better speed at lower cost. Developers can reportedly try it by setting the model name to deepseek-v4.1-flash-expires-on-0910 with the same baseurl; billing matches DeepSeek V4 Flash with a 20-concurrent-request per-account limit.

Related event: DeepSeek Quietly Tests V4.1 Flash Interim Build with Native Multimodality(10 posts)→

Original post →

More from Models

Models channel →