[DeepSeek Launches v4.1 Flash Beta Version, Focused on Multimodality and Low Cost] According to Hacker News, DeepSeek has launched the v4.1 Flash model with a brand-new architecture and initiated internal testing. This version retains the original `base_url` unchanged and can be accessed by setting the model name to `deepseek-v4.1-flash-expires-on-0910`. It features native multimodal support, enhanced capabilities, higher speed, and lower costs. The current pricing remains the same as `deepseek-v4-flash`, with an account-level concurrent request limit of 20.