OPEN-WEIGHT MODELS

DeepSeek open-sourced DeepInfer, the inference engine behind its API. It is offline-only, V4.1-Flash-only and Blackwell-or-Ascend-only. What it is, what is missing, and who benefits.

DHS ordered DeepSeek products removed from US civilian agency IT. The scope reaches third-party products built on DeepSeek implementations - here is what that means for builders.

China drafted export controls on 23 AI technologies, including model weights. API use and already-public weights are exempt. What changes for builders on Qwen, DeepSeek and GLM.

OpenAI stops new fine-tuning jobs on January 6, 2027, and every base model it still lets you tune shuts down by January 14. The dates, what keeps serving, where fine-tuning still exists, which providers let you download weights, and a migration checklist.

An open letter from Nvidia, Microsoft, Meta, OpenAI and 30+ signers defends open-weight AI models. What it argues, who stayed out, and how HN reacted.

GLM 5.2 in 9 minutes: a companion guide to the video on the open-weight GPT-5.5 rival, covering benchmarks, pricing and a live OpenCode demo.