AI

​Sequential Attention: Making AI models leaner and faster without sacrificing accuracy

Algorithms & Theory

Unlocking the Codex harness: how we built the App Server

Learn how to embed the Codex agent using the Codex App Server, a bidirectional JSON-RPC API powering streaming progress, tool use, approvals, and diffs.

Community Evals: Because we're done trusting black-box leaderboards over the community