2026.01.20

OpenAI says Cisco has deployed Codex broadly inside production engineering, using agentic workflows across large multi-repo systems. The case study includes build-time, throughput, and migration results tied to specific internal programs.

A new Search Engine Land analysis tracked 10 sites before and after adding llms.txt. Most saw no change, and the few gains aligned with other launches and visibility spikes.

A LogRocket post from yesterday points to OpenCode as an open-source agent that can run models locally via Ollama when cloud coding tools are blocked.