Codex Created So Much Work That OpenAI Had to Restructure Code Storage
OpenAI introduced Pando, a backend compatible with standard Git tools. It processes approximately one petabyte of data per day but is currently available only to select corporate partners.
The expanded use of automated code-writing tools, including Codex, increased the load on OpenAI's version control system. The reliability of the previous infrastructure dropped below 90%; delays in downloading and cloning occurred, along with merge errors and repository size limitations.
Pando processes changes to branches separately and sends incoming pack files to object storage without unpacking them into the local repository. When retrieving code, it uses stored packages and regional caches. The company reports caching over 99% of requests and nearly a fivefold reduction in the latency of submitting changes.
Development took 10 weeks, and groups of Codex agents implemented the system in Rust. The backend did not become open-source software. Following its official announcement on November 2, 2026, Pando is available to select corporate partners in a limited preview; commercial access is planned to expand in the first quarter of 2027.
