OpenAI Clears FedRAMP, Puts GPT-5.5 Inside Federal Agencies

April 29, 2026

OpenAI Clears FedRAMP, Puts GPT-5.5 Inside Federal Agencies

Published: April 29, 2026 at 12:18 AM

Updated: April 29, 2026 at 12:18 AM

100-word summary

OpenAI just cleared FedRAMP Moderate authorization, meaning U.S. federal agencies can now run ChatGPT Enterprise and its API inside government-approved secure environments. The big kicker: GPT-5.5, OpenAI's most capable model, is included from day one. Federal employees can now use frontier AI for drafting, translation, research, and analysis without leaving compliance boundaries. It's the first time a leading AI lab has gotten its newest model through the bureaucracy fast enough to matter. Agencies can start procurement through the FedRAMP Marketplace. The catch? OpenAI claims Moderate while FedRAMP's own website still lists the Low tier as the target.

What happened

OpenAI just cleared FedRAMP Moderate authorization, meaning U.S. federal agencies can now run ChatGPT Enterprise and its API inside government-approved secure environments. The big kicker: GPT-5.5, OpenAI's most capable model, is included from day one. Federal employees can now use frontier AI for drafting, translation, research, and analysis without leaving compliance boundaries. It's the first time a leading AI lab has gotten its newest model through the bureaucracy fast enough to matter.

Why it matters

Agencies can start procurement through the FedRAMP Marketplace. The catch? OpenAI claims Moderate while FedRAMP's own website still lists the Low tier as the target.

Sources