DeepSeek V4正式版来了，但只来了一半

DeepSeek open-sources DeepInfer, the inference framework behind its production service: runs V4.1 Flash on NVIDIA SM100 and Huawei Ascend 950 under Apache 2.0, and says one cluster serves 155 trillion tokens a day

DeepSeek opens its in-house search engine as Search and Fetch APIs for agents: $0.75 per 1,000 successful requests

DeepSeek upgrades V4.1 Flash to V4.1-Flash-1017 with open MIT weights: Terminal-Bench 4.0 jumps from 31.2 to 42.3, same API price

Caijing: DeepSeek’s second funding round reportedly doubles to about RMB 100B at ~RMB 500B pre-money; company has not confirmed

DeepSeek open-sources dsh, its agent harness, in developer preview

DeepSeek open-sources Ascend versions of its GEMM, expert-parallel and attention kernel libraries