Rivian cuts 15 days from financial close using Amazon Bedrock AI

Rivian has deployed an AI-powered automation system to handle purchase order accruals for its custom manufacturing tools, slashing more than 15 days of manual labor from every financial close cycle. The system, built on Amazon Bedrock, transforms how the electric vehicle manufacturer tracks long-term capital expenditures.

According to reports from PYMNTS, the automation specifically targets the tracking of tools like injection molds and stamping dies. These assets often carry lead times of one to two years, with billing frequently occurring 18 months after the initial order. Because accounting standards require these costs to be recognized gradually over time rather than as a single lump sum upon invoicing, Rivian's finance teams previously faced a massive manual tracking burden. The new AI system automates this process, with a proof of concept developed in just five weeks.

A shift to flexible logic

Unlike traditional automation, which relies on rigid, hard-coded software rules, Rivian’s system utilizes plain-text accounting instructions. The AI reads these written procedures directly, allowing finance managers to update accounting logic using natural language without needing a developer to rewrite code. This flexibility allows the business to adapt its financial processes in real-time as operational needs evolve.

Despite the autonomy of the AI agents, Rivian has maintained strict oversight to ensure financial accuracy and auditability. A human manager is required to sign off on every accounting entry before it is officially posted to the company's books, ensuring the system meets the rigorous control standards required for public company reporting.

Implications for finance operations

This implementation marks a transition from static automation to flexible, AI-driven operations. By solving a high-friction pain point in corporate finance—the accrual process—Rivian has demonstrated that generative AI can handle complex, regulated workflows while maintaining human-in-the-loop safeguards.

"The partnership with AWS and the implementation of AI-powered automation for our purchase order accruals represents a fundamental shift in how we approach finance operations," said Yogesh Yadav, senior director of global finance systems at Rivian. Yadav noted that the company has not only eliminated weeks of manual work each month but has established a scalable foundation to support future growth.

What to watch

As Rivian integrates these AI agents further into its financial stack, the industry will be watching to see if this natural-language approach to accounting logic becomes a standard for other capital-intensive manufacturers. While the current system focuses on purchase order accruals, the scalability of the Amazon Bedrock foundation suggests Rivian may expand AI automation into other areas of its global finance systems.