BREAKING
OpenAI: 99% of Engineer Tokens via Codex
0
%
Engineering
0
%
Finance
0
%
Recruiting
0
%
Legal
0
x
Individual use
0
x
Org use
0
M
Weekly users
Output Growth Nov 2025 to Jun 2026
Research
56
Support
32
Engineering
27
Legal
13
Promise vs Caveats
Upside
Devs
●
Near-100% code written
●
10-20 parallel threads
●
Faster PR reviews
Caveats
Critics
●
Self-reported data
●
Heavy token use
●
Uneven external adoption
A Leading Indicator of Agentic Work
AI NEWS BLITZ
OpenAI says its engineers now run almost all their output through Codex.