U.S. Office of Personnel Management Drops Claude, Adds Grok and Codex to AI Use Disclosure

FedScoop
FedScoopMar 9, 2026

Why It Matters

Federal AI disclosures guide procurement, risk management, and public trust; OPM’s tool swap reshapes vendor dynamics and sets a precedent for agency‑wide AI governance.

Key Takeaways

  • OPM removed Anthropic's Claude from AI inventory
  • Added xAI's Grok for conversational tasks
  • Integrated OpenAI's Codex for code generation
  • Shift signals preference for newer, cost‑effective models
  • Highlights federal push for AI transparency and compliance

Pulse Analysis

The Office of Personnel Management, the federal government’s central human‑resources hub, is required to publish an AI‑use disclosure that details which generative models are employed across its operations. This transparency initiative, rooted in the Federal AI Bill of Rights and recent executive orders, helps agencies monitor risk, ensure fairness, and maintain public confidence. OPM’s latest amendment illustrates how even core administrative bodies are actively curating their AI portfolios to meet both policy mandates and functional demands.

In the new filing, OPM dropped Anthropic’s Claude, a large‑language model known for its conversational strength, and introduced xAI’s Grok alongside OpenAI’s Codex. Grok, launched by Elon Musk’s xAI, offers a cost‑effective, high‑throughput chat interface that aligns with OPM’s need for rapid employee assistance and internal knowledge retrieval. Codex, a specialized code‑generation engine, signals a push to automate routine scripting, data‑pipeline creation, and legacy system maintenance, reducing reliance on manual programming resources. The replacement suggests OPM is prioritizing models that deliver targeted productivity gains while staying within budgetary constraints.

The broader implication is a signal to the federal AI market: agencies are willing to pivot quickly toward emerging vendors that meet compliance and performance criteria. By publicly documenting these swaps, OPM not only fulfills its transparency obligations but also influences procurement trends, encouraging other departments to evaluate Grok and Codex for similar use cases. This move may accelerate the adoption of newer generative AI tools across the government, prompting vendors to sharpen security, explainability, and cost‑effectiveness to stay competitive in the public sector.

Original Description

The Office of Personnel Management removed Claude and added Grok and Codex in an update to its public disclosure of AI use cases dated Wednesday.
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