ChatGPT is getting another upgrade, and this time it’s moving up to GPT 5.4, just days after the release of GPT 5.3 Instant.

The Codex app for Windows already has over 500,000 developers in waitlist. Here's everything you need to know.

GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.

The latest model comes with native computer use capabilities, allowing it to take on jobs across your device and applications ...

OpenAI launches GPT-5.4, calling it its most capable and efficient AI model yet, with AI agents, computer control, improved reasoning, and a 1M-token context.

VS Code's AI Toolkit and Microsoft Foundry can speed up agent development, but real-world success often depends on picking the right runtime and region, keeping tool-driven context under control, and ...