OpenAI's GPT-5.3-Codex-Spark promises coding 15 times faster than its predecessor, but sacrifices some intelligence and security capabilities for this increased speed.

Spark offers 15x faster coding than GPT-5.3-Codex, but sacrifices some intelligence and security capabilities for this speed ...

OpenAI has announced a major update for its AI coding assistant, Codex. The company says more than three million developers use Codex every week, and this update is designed to turn it into a more ...

OpenAI's Codex Security Cloud can investigate vulnerabilities, validate exploits and generate patches across GitHub ...

OpenAI's new $100 ChatGPT Pro tier and a paused $200 plan reveal how surging demand for GPT-6 Astra is testing the company's ...

OpenAI is retiring Custom GPTs and replacing them with plugins built around reusable skills, reference files and connected tools. The shift also reaches developers through Codex, which now runs as an ...

OpenAI will begin adding an invisible watermark to eligible text generated by ChatGPT and Codex in the European Union (EU), as the company moves to comply with transparency requirements under the EU’s ...

ChatGPT users outside EU won’t see any change, company says regional rollout would allow it to learn from real-world use and ...

OpenAI’s text watermarking technology, called textGrain, adds an invisible statistical signal to model-generated text. However, the company says text watermarking and detection remain early ...

OpenAI applied a mitigation and was monitoring recovery from elevated errors affecting multiple ChatGPT products early on October 6, 2026, according to an incident record on the company's status page.