OpenAI wins FedRAMP Moderate authorization for ChatGPT Enterprise and API Platform

OpenAI's ChatGPT Enterprise and API Platform have received FedRAMP Moderate authorization, allowing federal agencies to use GPT-4.5 and other models in secure government systems. Both are now listed on the FedRAMP Marketplace.

Categorized in: AI News Government
Published on: Apr 28, 2026
OpenAI wins FedRAMP Moderate authorization for ChatGPT Enterprise and API Platform

OpenAI Wins FedRAMP Authorization for Government AI Deployment

ChatGPT Enterprise and the OpenAI API Platform have achieved FedRAMP Moderate authorization, clearing the way for federal agencies to deploy the company's AI models in secure government environments.

The certification means agencies can now use OpenAI's most powerful models, including GPT-4.5, within systems that meet federal security and compliance standards. Previously, government teams faced a choice between adopting frontier AI capabilities and maintaining the security protocols their missions required.

What FedRAMP Moderate Unlocks

Agencies can now deploy AI for Government operations across several use cases. Program teams can use ChatGPT Enterprise for research acceleration, drafting, translation, and document analysis. Technical teams can integrate the OpenAI API into existing systems to build AI assistants and improve citizen-facing services.

The authorization also means agencies gain access to reusable security documentation and evidence through OpenAI's Trust Portal, reducing the review burden for procurement and security teams evaluating the service.

How Agencies Can Access It

ChatGPT Enterprise and the API Platform are now listed on the FedRAMP Marketplace. Agencies can also contact OpenAI directly or work through Carahsoft, the company's public sector reseller.

OpenAI said it plans to expand supported features within the FedRAMP environment over time, including future integration of Codex Cloud capabilities.

The Path to Authorization

OpenAI achieved the authorization through FedRAMP's 20x process, a streamlined pathway announced in March 2025 that allows cloud providers to demonstrate secure configurations more efficiently. The company's security and engineering teams collaborated with the FedRAMP program to implement required controls and gather compliance evidence.


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