OpenAI
#1 of 72 · on the record, 3 sources
On the record
OpenAI reports 97.9% of employees and 92%+ of technical staff use Codex, which accounts for 99.8% of internal output tokens, up from ~40% of staff in Aug 2025.
- How agents are transforming work (OpenAI, June 2026)
- OpenAI reports median internal Codex output tokens grew 56x in Research (Latent Space)
- The Shift to Agentic AI: Evidence from Codex (arXiv)
The score comes from those sources until someone who works there rates it.
Breakdown
- Access100
- Daily use100
- In the product100
- Leadership100
- Enablement0