GPT-5.4 lands, agents get personal
OpenAI shipped GPT-5.4 as Perplexity pitched a personal computer agent and open-source coding agents kept pace.
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29 stories · 11 min · out 23 Mar 2026. Picked by Tom Martin-Davies.
What happened this week:
OpenAI shipped GPT-5.4 as Perplexity pitched a personal computer agent and open-source coding agents kept pace.
Justainews ↗Nxcode ↗The Decoder ↗Opencode ↗Marktechpost ↗The Decoder ↗
Nvidia's neural rendering is a leap in fidelity, or the moment the GPU starts deciding what your game looks like.
Horizon Worlds dropped VR support while others pushed an open metaverse browser and quieter, useful headset apps.
KPop Demon Hunters won, LAIKA marked 20 years, and studios shared how hand-made animation still gets made.
u/uisato's Audioreactive MRIs likely showcases a creative coding project. It probably features a visual effect responding to audio.
u/Qotonana's EverGreen Landscapes is a creative coding piece. It offers visual inspiration from generative art, showcasing digital art.
OpenAI released ChatGPT 5.4, more capable and efficient for daily tasks. It shows a response plan before generating longer answers, helping guide the AI. GPT-5.2 retires on June 5, 2026.
Unity now officially supports Steam, SteamOS, and Linux. This means a native solution for bringing games to Steam and enhanced Linux runtime, making game development easier.
AI is good for clicks, humans for meaning, and brands need both. The article argues against a simple AI vs. human framing, urging an understanding of AI's strengths in specific contexts for marketing.
Perplexity AI's 'Personal Computer' offers a tireless AI assistant for $200 a month. It works 24/7, handling emails, presentations, and app control from a dedicated Mac Mini, controllable remotely.
Human Loop is a Blender animation piece by u/morelebaks. The artist shares their work, providing links to their Instagram and YouTube for more details.
Spacious Places is a VR health and wellness app for musical meditation. It allows users to relax, breathe, and play virtual musical instruments in calming natural environments.
OpenAI faces a problem getting companies to use its AI beyond ChatGPT. It pushes to integrate its AI into large companies through sales, partnerships, and a new deployment arm, but demand for its enterprise AI agent platform, Fron
Open Metaverse Browser Initiative launched as an open-source project to build a native metaverse browser. It is built on OpenXR, glTF, and new NSO protocols, directly relevant to WebXR builders.
Horizon Worlds is dropping VR support, going flatscreen-only. Meta's platform will only be available as a flatscreen experience for the web and smartphones from June, indicating a strategic shift away from VR.
GPT-5.4 is a significant upgrade from GPT-5.2, offering native Computer Use and expanding context to 1M tokens. GPT-5.2 retires June 5, 2026, making an upgrade essential, especially for production code.
LTX-2.3 4x Keyframes (8GB VRAM) is a ComfyUI workflow. This offers a solution for video generation using LTX 2.3 with limited VRAM, a useful creative AI workflow.
Smart Glasses are changing lives for dementia patients through a new AI platform, CrossSense. This platform won a £1m prize for using smart glasses with an AI assistant, Wispy, to guide wearers through daily life and enhance indep
3D Pixel, The old building where I lived in my childhood, is an animated 3D art piece created in Blender. This work embraces a realistic visual language with refined model details and handcrafted pixel-based textures.
Google Colab now has an open-source MCP (Model Context Protocol) Server. This enables AI agents to interact directly with the Google Colab environment, providing programmatic access to create, modify, and utilize Colab runtimes wi
OpenCode is a new open-source AI coding agent. It helps write code in the terminal, IDE, or desktop, offering features like LSP support, multi-session capabilities, and integration with various LLMs and editors.