DeepSeek V4.1 Flash beta is open.

2026-09-10 04:23

DeepSeek V4.1 Flash beta is open. Model ID: deepseek-v4.1-flash-expires-on-0910 Same base_url, just swap the model name. New architecture — native multimodal, images and text in one model now. No more Vision Encoder bolted on. Same price as V4 Flash: $0.14/1M input, $0.28/1M output.