The landscape of AI agents shifted dramatically in April 2026 when OpenAI released a major update to its Agents SDK, moving the technology from experimental demos to a production-ready runtime surface ...

OpenAI has released a new way to interact with its Codex app from your smartphone. An update to ChatGPT’s mobile app brings ...

OpenAI Group PBC today launched a new large language model that it says is more adept at automating work tasks than its earlier algorithms. GPT-5.4 is available in ChatGPT, the Codex programming tool ...

Put simply: these agents can be created and accessed from ChatGPT, but users can also add them to third-party apps like Slack, communicate with them across disparate channels, ask them to use ...

So when it comes to models that the general public can access, GPT-5.5 has retaken the crown for OpenAI, achieving the state-of-the-art across 14 benchmarks.