This translates to an average throughput of 3.5 PRs per engineer per day, and surprisingly the throughput has increased as the team has grown to now seven engineers.
OpenAIPublished by the organization itself (post), no named author
Post: Harness engineering: leveraging Codex in an agent-first world, OpenAI (own site), February 11, 2026.
OpenAI sells AI or agent tooling, so it has a reason to publish flattering numbers about AI. The passage stays in the archive; read it with that in mind.
Checked against the source by a first reader, then confirmed independently by a second reader who fetched the source without seeing the first reader's notes (Independent review agent (Claude Sonnet), blind second pass from passage text and citation only, no repository access, 2026-10-31).
Wayback copy, because the live page gave 403. The sentence matches exactly. It is OpenAI's own post.
OpenAI, “Harness engineering: leveraging Codex in an agent-first world”, OpenAI (own site), 2026-02-11. https://openai.com/index/harness-engineering/ Archived at https://the-ai-record.com/passages/openai-translates-average-throughput-3-5-prs-per-2026
building and shipping an internal beta of a software product with 0 lines of manually-written code
OpenAIPublished by the organization itself (post), no named author
Post: Harness engineering: leveraging Codex in an agent-first world, OpenAI (own site), February 11, 2026.
Escalate to a human only when judgment is required
OpenAIPublished by the organization itself (post), no named author
Post: Harness engineering: leveraging Codex in an agent-first world, OpenAI (own site), February 11, 2026.
roughly 1,500 pull requests have been opened and merged with a small team of just three engineers driving Codex.
OpenAIPublished by the organization itself (post), no named author
Post: Harness engineering: leveraging Codex in an agent-first world, OpenAI (own site), February 11, 2026.
They pull review feedback, respond inline, push updates, and often squash and merge their own pull requests.
OpenAIPublished by the organization itself (post), no named author
Post: Harness engineering: leveraging Codex in an agent-first world, OpenAI (own site), February 11, 2026.
Something wrong? Report a correction. JSON: /api/v1/passages/openai-translates-average-throughput-3-5-prs-per-2026.json