AI Daily for 31 May recaps 5 major AI Hacker News stories, moving through anthropic tops openai, tiny-vllm engine, ai cost rationing, ai job grief. 1. Anthropic Tops OpenAI The next story is about Anthropic overtaking OpenAI in valuation after a huge funding round, with the article claiming the company is nearing a trillion-dollar mark on the strength of Claude and Claude Code, which matters because it suggests the leadership race in AI is shifting fast. Hacker News reacted with a mix of awe, skepticism, and product debate, with readers arguing over whether the valuation reflects real product strength, hype, or both. Story link Hacker News discussion 2. Tiny-vLLM Engine The next story is Show HN: Tiny-vLLM, a high-performance LLM inference engine in C++ and CUDA that its author presents as both a smaller vLLM-style server and a hands-on course in how the stack works, which matters because it makes model serving, batching, KV cache, and attention easier to understand and reproduce. Hacker News reacted positively overall, with readers praising the lesson-style README and practical walkthrough while a few joked about whether checking CUDA return values is still "tiny." In the comments, the main themes were the quality of the documentation, the clarity of the safetensors and inference explanations, and curiosity about even lower-level or alternative implementations. Story link Hacker News discussion 3. AI Cost Rationing The next story is about Corporate America starting to ration AI as costs skyrocket, with the article arguing that companies are pulling back as the economics get harder to ignore, which matters because the AI boom is running into real budget limits. Hacker News mostly treated that as a misuse problem rather than a pure cost problem, with people arguing that too many teams are using models for routine tasks they should automate deterministically, while others said the tool still pays off in narrow, well-scoped cases. Story link Hacker News discussion 4. AI Job Grief The next story looks at AI job grief, arguing that automation is hitting identity as well as income and turning displacement into a psychological crisis. Hacker News split between people who thought that framing fit their own experience and people who felt the piece leaned too hard on Reddit anecdotes, overread the anger, or missed the economic pressure underneath. Story link Hacker News discussion 5. AI Moral Outcast The next story is a post arguing that having a moral stance against AI can make someone an outcast, because the author says the harms to the environment, workers, trust, creativity, and social life outweigh any promised benefits, and that matters because AI is now woven into work and daily tools. Hacker News splits between readers who see a principled refusal and readers who think the post overstates the case, confuses AI with Big Tech, or turns a personal ethic into a public grievance. Story link Hacker News discussion That’s it for today.