Codex
A family is a named generation or product line. Scores below are the sum of its named releases and any documented internal systems in the same line.
Benefit
+3.57
Harm
0.00
Net Good
3.57
Releases
Leaderboard
Timeline
Events
Benefit16 May 2025
OpenAI launches Codex, a cloud software-engineering agent, in ChatGPT
On 16 May 2025 OpenAI released a research preview of Codex, a cloud agent powered by codex-1 (an o3 variant trained for software engineering) that writes features, runs tests, and opens pull requests in a sandboxed repo.
Computer ScienceprovisionalTier 3 Major+1.11
Benefit21 Jun 2022
GitHub Copilot becomes a paid pair-programmer for every developer
On 21 June 2022 GitHub made Copilot generally available, the first mass-market AI coding assistant, powered by OpenAI Codex. A Microsoft/GitHub controlled study found developers completed a JavaScript HTTP-server task 55.8% faster with Copilot.
Computer ScienceverifiedTier 3 Major+2.45