OpenAI's Codex active users grew more than 5X the first half of 2026, and the fastest growth came outside the original d…
Rohan Paul Twitter · Rohan Paul (@rohanpaul_ai) · 2026-06-26
OpenAI's Codex active users grew more than 5x in the first half of 2026, with non-developer adoption rising approximately 137x since August 2025, and 80% of users now requesting tasks that would take a human over 30 minutes to complete.
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Extraction
Topics: ai-agentscoding-assistantsenterprise-aiagentic-aiopenai
Claims
- OpenAI's Codex active users grew more than 5x in the first half of 2026.
- By May 2026, 80.6% of sampled Codex users had requested tasks that would take a human more than 30 minutes, and 25.6% had requested tasks exceeding 8 hours.
- Non-developer Codex usage grew approximately 137x among individual users and 189x among organizational users since August 2025.
- Within OpenAI itself, Codex now generates 99.8% of weekly output tokens.
- Non-technical teams including Legal, Finance, and Recruiting are using Codex for automation, data transformation, debugging, and technical tasks outside their normal job scope.
Key quotes
By May 2026, 80.6% of sampled individual users had asked Codex to do work that would take a human more than 30 minutes.
Non-developer Codex usage grew about 137x among individual users and 189x among organizational users.
Within OpenAI, Codex now generates 99.8% of weekly output tokens.