ai Sep 14 Valve’s virtual reality plans hit actual reality Valve's long-anticipated Steam Frame VR headset has launched at $1,059, a price the company says was never the plan. Global RAM and storage costs pushed the final number higher than originally targeted, and Valve developers acknow... ai Sep 14 StemJSON - Mobile apps that build themselves Building a native mobile app means assembling screens, navigation, state management, and validation from dozens of pieces that rarely change at the same time. StemJSON takes a different approach: a declarative JSON language that A... ai Sep 14 AI-native dependency upgrades, right in your terminal. Every dependency update is a gamble. A patch release can ship a breaking change that silently corrupts your build, and most teams discover the breakage only after the upgrade lands. apiweiser-cli flips that sequence: it classifies... ai Sep 14 Show HN: Kepil – passport, mandate and tamper-evident journal for AI agents Kepil Adds a Permission Layer to AI Agents That Actually Stops Them Most AI agent frameworks give you logs after something goes wrong. Kepil tries to prevent the wrong thing from happening in the first place, then lets you roll it... ai Sep 14 Can a local LLM beat -O3? Local LLMs Can Beat -O3, But the Results Come With Caveats A set of experiments presented as a poster at CppCon this week asks whether a small language model running on consumer hardware can outperform GCC and Clang's top optimiza... ai Sep 14 Show HN: Replay – Audit silent prompt cache misses in AI agent transcripts A Free Tool That Tells You Exactly Where Your AI Agent's Token Budget Went If your AI agent costs more than expected and nothing visibly errored, the most likely culprit is a broken prompt cache. The tokens your agent already paid... ai Sep 14 Show HN: Kairo – Fail-closed LLM inference routing from RTX 5090 measurements CUDA Graphs Help Blackwell Inference, but Not Everywhere A new research workbench called Kairo sets out to answer a practical question for anyone running quantized language models on NVIDIA's latest hardware: when does enabling CU... programming languages Sep 14 Sere, a compiled Python-like systems programming language Sere Brings Python's Readability to Native Compilation A new language called Sere aims to combine Python's syntax with the performance characteristics of a compiled language. The result is a statically typed, indentation-significa... programming languages Sep 14 Show HN: I made a tiny MoE/Engram viz tool MoE Microscope Replays Mixture-of-Experts Training One Frame at a Time Mixture-of-Experts models route each token to a subset of available experts during training and inference. Understanding how that routing evolves over time, wh... programming languages Sep 14 SNAP3D: Physically Grounded 3D Parts for Assembly from a Single Image Part-aware 3D generation has advanced rapidly, but there is a disconnect between producing individual parts that look right and producing parts that actually hold together as a physical assembly. A chair rendered as separate legs,...