OpenAI has recently published a detailed architecture description of the Codex App Server, a bidirectional protocol that decouples the Codex coding agent's core logic from its various client surfaces.

OpenAI is locked in an increasingly intense battle with rival Anthropic over tools to create AI agents. The debut of the Codex app comes weeks after Anthropic launched a similar Claude Cowork product.

OpenAI has given software developers a new desktop toy, and judging by the early reactions, it might feel like someone finally handed coders the Swiss Army knife they’ve been dreaming about or the ...