🤖 OpenAI’s new Codex app for AI coding

OpenAI has launched a new macOS app for Codex, designed specifically for agentic coding workflows. The native desktop app enables multiple coding agents to work in parallel and offers selectable agent personalities so developers can tailor the experience to their preferred working style. Let’s dive in!

In today’s insights:

LATEST DEVELOPMENTS

Evolving AI: OpenAI launched Codex app, built for agentic coding workflows.

OpenAI has launched a macOS app for Codex that brings agentic coding into a native desktop interface. The app supports multiple agents working in parallel, background automations that run on schedules, and selectable agent personalities to match working styles. It builds on Codex’s earlier CLI and web versions and pairs with GPT-5.2-Codex, OpenAI’s strongest coding model so far. Benchmarks like TerminalBench and SWE-bench show tight competition with Gemini and Claude agents, suggesting usability and workflow may matter more than raw scores.

Download the Codex app for macOS here →

For developers, the big shift isn’t a new score on a benchmark, it’s getting agentic coding into a place you’ll actually use every day. A native Codex app means you can spin up multiple agents for parallel work, then schedule repetitive chores like refactors, test updates, docs refreshes, or dependency bumps to run in the background and land in a review queue when you’re back. That pairs neatly with the broader move to bring agents inside the IDE, with Apple now adding support for OpenAI and Anthropic agents directly in Xcode. If this workflow clicks, “AI pair programming” starts looking more like a build pipeline you supervise than a chat you babysit.

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Evolving AI: Firefox adds button to block or allow AI features in your browser.

Starting Feb. 24, Firefox 148 adds an AI controls section to desktop settings. It acts as a central switch for current and future AI features. Users can turn off everything or manage tools individually, like translations, PDF image descriptions, AI-based tab grouping, link previews, and sidebar chatbots such as ChatGPT, Claude, Copilot, Gemini, and Le Chat Mistral. Settings persist across updates and can be changed at any time. Nightly users get early access.

Firefox’s move feels like a direct response to a year of pushback against browsers that bake AI in by default and make it hard to switch off what some users see as intrusive automation and data-sharing behind the scenes. Browsers aren’t just render engines anymore, they’re becoming platforms where AI features can see everything you do online and act on it, and not everyone wants that baked into every click. What Mozilla is doing signals a shift: giving people a clear choice in how much AI they let into their browsing life, which matters right now as concerns over privacy, control, and unsolicited AI prompts are only growing louder across the web.

Evolving AI: SpaceX folds xAI into its business, tying AI compute plans to space-based infrastructure.

SpaceX confirmed it has acquired xAI, merging Elon Musk’s aerospace company with his AI venture. The combined entity brings together launch capacity, satellites, and AI model development under one roof. Musk argues that today’s AI relies on energy-hungry data centers on Earth and that solar-powered infrastructure in orbit could handle rising compute demand. SpaceX has already asked regulators to approve a massive satellite network aimed at supporting AI workloads, as investors continue pouring money into AI infrastructure.

SpaceX folding xAI into its orbit-focused roadmap isn’t just corporate reshuffling, it nails onto a bigger shift we’re already seeing: the limits of Earth’s power grid and cooling systems are starting to choke how big AI can grow. Companies from SpaceX to startups are testing what happens when you take that compute off the planet and tap near-constant solar energy instead. Regulators are now being asked to approve hundreds of thousands satellites that would act as both network and compute infrastructure, which could reshape how AI services are delivered globally and push the frontier of distributed computing far beyond today's cloud.

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