OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

Been a dev for 18 years. I've always picked up the new tools first out of my team because I enjoy test driving the latest stuff and for some reason I have patience for not getting shit done while I ...

GPT-5.3-Codex is about more than just writing code ...

OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.

OpenAI announced Monday that it’s releasing a new version of GPT-5 to its AI coding agent, Codex. The company says its new model, called GPT-5-Codex, spends its “thinking” time more dynamically than ...

How good is GPT-5 Codex, really? Imagine a tool so advanced it can generate functional code for complex applications in mere minutes, yet intuitive enough to seamlessly integrate into your existing ...

OpenAI is testing a new model for Codex called "GPT-5.2-Codex-Max." Some users have spotted a new model, GPT-5.2-Codex-Max, when they ask Codex what model it is using. OpenAI rolled out Codex with GPT ...

“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want ...

OpenAI has started rolling out GPT 5.1-Codex-Max on Codex with a better performance on coding tasks. In a post on X, OpenAI confirmed that GPT 5.1-Codex-Max can work independently for hours. Unlike ...

OpenAI on Thursday announced a lightweight version of its agentic coding tool Codex, releasing GPT-5.3-Codex-Spark as a smaller model designed for faster inference. The company said Spark is built for ...

Benj, I love your use (and if I'm not mistaken, coinage) of simulated reasoning - something should/could be done about selfhood here. It does not monitor itself, rather a version of the code is used ...