Model releaseCritical global significanceConfirmed confidence
OpenAI releases Codex
OpenAI releases a code-generation model fine-tuned from GPT-3 and used in the early GitHub Copilot.
What happened
Event details
OpenAI released Codex on August 10, 2021. The model has 12B parameters, is closed source and is classified as an autoregressive Transformer; the Evaluating Large Language Models Trained on Code paper is the primary source.
Assessment
Why it matters
A model release or availability milestone with a documented capability or access condition.
98/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Used in the early GitHub Copilot and related code-generation access.