Newrez debuts Rezi Mortgage Assistant in ChatGPT for lender-specific guidance

Newrez has launched Rezi Mortgage Assistant, a consumer-facing custom GPT inside ChatGPT that delivers mortgage and home equity guidance grounded in the lender’s own underwriting guidelines and products, the company announced Wednesday.

The Pennsylvania-based mortgage lender said Rezi Mortgage Assistant makes Newrez the first top 10 mortgage originator to deploy a branded, AI-powered mortgage guide directly within OpenAI’s GPT Store. Consumers can access the tool for free from the “GPTs” tab in ChatGPT.

Unlike generic AI chat tools, Rezi Mortgage Assistant is designed to respond based on Newrez’s actual underwriting criteria, lending policies and educational content, according to the announcement. That means answers are tailored to Newrez-eligible products and requirements rather than broad market assumptions.

Borrowers can use the assistant to ask questions about buying a home, qualifying for a loan or tapping home equity. The company said Rezi Mortgage Assistant is intended to let users research options without filling out forms or speaking with a loan officer until they choose to engage.

The move comes as consumer use of AI for money management accelerates. More than 55% of consumers now use AI to aid financial management decisions, up from 10% a year earlier, according to data cited from TD Bank. Adoption is highest among Gen Z (77%) and millennials (72%), with usage also rising among Gen X (49%) and baby boomers (30%).

“We built Rezi Mortgage Assistant to bring clear, Newrez-specific mortgage guidance directly into the platform where millions of consumers already go for answers,” Brian Woodring, chief information officer at Newrez, said in a statement. “By applying our actual underwriting and lending logic inside ChatGPT, we’re giving borrowers an accessible way to learn without pressure.”

Leslie Gillin, chief commercial officer at Newrez, said in the release that the tool is intended to “demystify the mortgage process and remove friction by giving borrowers relevant answers from the start” so consumers are better informed earlier in their decision process.

The launch signals how large mortgage originators are starting to meet borrowers directly inside third-party AI platforms rather than only on lender-owned websites or apps. For originators, this type of custom GPT model is one way to insert lender-specific rules and product details into the generic advice borrowers already seek from AI tools.

For lenders and servicers, embedding proprietary underwriting logic into AI assistants could help reduce mismatched expectations early in the funnel, cut down on unqualified leads and improve borrower education on complex topics like income documentation or debt-to-income thresholds. It also raises new operational questions around model governance, compliance review, and how to keep AI guidance synchronized with constantly changing guidelines.

Real estate agents may see more buyers arrive with AI-generated expectations about payment options, affordability and loan structures based on a specific lender’s criteria. That could shift how agents and loan officers coordinate preapproval conversations and explain differences between competing lenders’ programs.