GPT-5 Turns One as OpenAI Launches Cross-Platform Agent Plugins
OpenAI marks GPT-5’s first anniversary by unveiling Agent Plugins, an open, vendor-neutral standard for portable AI agents and skills that can load across compatible products; in its first year GPT-5 introduced automatic routing, saw Apple integration across iOS/macOS, and spawned a wave of updates from GPT-5.1 through 5.6, while Codex evolved into a desktop-style hub, and GPT-6 timing (Astra) remains unclear.