DeepSeek has released version 0.1.5 of DeepSeek Harness, adding dedicated optimization for V4.1 Flash and new file-upload and sidebar-preview features, IT

DeepSeek has begun a limited-time beta of V4.1 Flash, an interim model that uses a new architecture and natively supports multimodal capabilities.

DeepSeek on Sept. 10 formally released its V4.1 Flash model and introduced new Flash-series pricing, according to a notification sent to API users.