Codex

OpenAI · August 2021

discontinuedCloseddecoder onlycodeAPI Available
Parameters12B
Context Window4K tokens
Sunset DateMarch 2023

Why It Matters

Proved that AI could be a practical coding assistant, not just a novelty. Directly led to GitHub Copilot, which transformed how millions of developers write code.

Description

A version of GPT-3 specifically trained on billions of lines of public code from GitHub. It could translate natural language instructions into working code, proving that language models could be powerful programming assistants. Powered the original GitHub Copilot.

Notable Milestones

  • Powered GitHub Copilot — the first mainstream AI coding assistant
  • Could solve ~28% of Python programming problems from descriptions alone
  • Pioneered the AI-assisted coding category

Key Innovations

Code Gen
Code GenAbility to write, debug, and understand programming code across multiple languages.

Family Tree

Built On

Lineage

GPT-1GPT-2GPT-3Codex

Successors (1)

Related Research (1)

GPT-3Transformer
2020 · OpenAI

175B-parameter GPT. Pioneered few-shot and in-context learning, dramatically reducing the need for fine-tuning.

External Links