xAI Grok 4.3 and OpenAI Agents — AI Dev Pulse · May 02, 2026

Server racks lined up in a data center with blue lighting and visible cabling, showcasing the hardware foundation for xAI Grok 4.3 and OpenAI Agents.

At a glance ## At a glance xAI ships Grok 4.3 to the public API with 1M-token context, always-on reasoning, and ~40-60% lower pricing for agentic workloads. Grok Imagine Agent Mode beta launches on web, turning image/video generation into autonomous, canvas-based iteration. OpenAI Agents SDK adds native sandbox execution, file tools, and harness support for … Read more