Daily archive

Wednesday — February 4, 2026

5 stories — deduplicated across sources, ranked by significance, every source cited.

SIGNIFICANCE

★ Top story · ProductsFeb 4

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.

OOpenAI Blog Read original ↗

Wednesday — February 4, 2026

Unlocking the Codex harness: how we built the App Server

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

Mistral's New Ultra-Fast Translation Model Gives Big AI Labs a Run for Their Money - WIRED

Last Week in AI #334 - Kimi K2.5 & Code, Genie 3, OpenClaw & Moltbook

Voxtral transcribes at the speed of sound. - Mistral AI