TravelersLLM enhances decision quality and productivity at scale by combining advanced AI with the company’s deep domain expertise

The Travelers Companies, Inc. (NYSE: TRV) today announced that it has developed TravelersLLM, a proprietary large language model tailored to its property casualty business.

Built by Travelers engineers and data scientists, TravelersLLM was trained on millions of company documents and amplifies Travelers’ leading domain expertise by, among other things, enhancing underwriting analysis, accelerating research and model development, facilitating access to decades of institutional knowledge and improving workflows. In testing against tens of thousands of insurance-related questions, it consistently outperformed commercially available AI models, delivering higher-quality results at lower cost and with greater speed.

“TravelersLLM combines our vast amounts of well-curated data and our industry expertise with leading AI capabilities, all delivered to the point of need, improving decision quality and productivity at scale,” said Mojgan Lefebvre, Executive Vice President and Chief Technology & Operations Officer at Travelers. “It works alongside leading frontier models and brings a level of precision and context that is unique to Travelers.”

The development of TravelersLLM reflects the company’s long-standing strategy of deploying advanced technology with proprietary data. As a core component within the company’s broader AI ecosystem, TravelersLLM serves as a foundational capability for agentic applications across the enterprise.

Lefebvre added, “By making our institutional data, experience and expertise instantly accessible across the enterprise, our colleagues can act more quickly and effectively, delivering even greater value to our customers and distribution partners.”

TravelersLLM was recognized with the prestigious CIO 100 Award earlier this year, which honors organizations that are using technology in innovative ways to deliver business value.

About Travelers
The Travelers Companies, Inc. (NYSE: TRV) is a leading provider of property casualty insurance for auto, home and business. A component of the Dow Jones Industrial Average, Travelers has more than 30,000 employees and generated revenues of nearly $49 billion in 2025. For more information, visit Travelers.com.

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