Understanding Mortgage Credit Scoring: VantageScore 4.0 vs FICO 10T

Q: What's the difference between VantageScore 4.0 and FICO 10T?

VantageScore 4.0 and FICO 10T are two credit scoring models validated by the Federal Housing Finance Agency (FHFA) in October 2022 as part of its credit score modernization initiative for Fannie Mae and Freddie Mac. While both models incorporate trended credit data and some alternative credit data, they have different modeling methodologies, scoreability criteria, and implementation timelines.

Many mortgage applicants ask: Why does my credit score vary from one mortgage lender to the next? Explaining this discrepancy was relatively straightforward a few years ago, as most differences came down to which credit bureau was used or when the score was pulled.

As the mortgage industry transitions from Classic FICO to VantageScore 4.0 and FICO 10T, the answer is becoming more complicated. That’s because these new models differ in terms of their scoring methodologies, borrower eligibility requirements, and implementation timelines.

Below, we break down the similarities and differences between VantageScore 4.0 and FICO 10T. We also explore what this transition may mean for your mortgage lending business so you can prepare your organization accordingly.

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Key Takeaways

While VantageScore 4.0 and FICO 10T both use trended credit data, they differ in terms of their scoring methodologies, borrower eligibility requirements, and implementation timelines.
According to a recent VantageScore study, VantageScore 4.0 can score millions of consumers who may not generate a score under Classic FICO or FICO 10T, such as borrowers with young or dormant credit files.
As credit score modernization continues to unfold, it’s important to confirm which scoring models your technology, investors, and vendors currently support and stay up to date on the latest implementation timelines and requirements.

How is Mortgage Credit Scoring Changing in 2026?

For many decades, mortgage lenders relied on Classic FICO models when originating loans for Fannie Mae and Freddie Mac. However, the Federal Housing Finance Agency (FHFA) validated VantageScore 4.0 and FICO 10T in 2022 as part of its credit score modernization initiative. This initiative aims to:

Improve the accuracy of mortgage credit risk assessments.
Encourage greater competition among credit scoring providers.
Expand access to sustainable credit for qualified borrowers.

What Do VantageScore 4.0 and FICO 10T Have in Common?

VantageScore 4.0 and FICO 10T share some similarities that allow them to provide a more comprehensive picture of borrowers’ credit behavior. Most notably, these two scoring models:

Use trended credit data: Traditional credit scoring models primarily consider the information currently shown in a borrower’s credit report. However, VantageScore 4.0 and FICO 10T can also consider trended credit data from the previous 24 months, providing insight into how certain credit behaviors have changed over time.
Include certain types of alternative credit data: Both models can consider certain rental and other payment history when that information is reported to the credit bureaus and included in the consumer’s credit file.

Together, these features may help provide a more accurate view of how consumers manage their financial obligations, supporting more informed credit risk assessments.

Read More: What is Alternative Credit Data?

What’s the Difference Between VantageScore 4.0 and FICO 10T?

While VantageScore 4.0 and FICO 10T have some similarities, they differ in the following ways:

#1 They’re Developed by Different Organizations

VantageScore was founded by the three major credit bureaus, Equifax, Experian, and TransUnion. Meanwhile, FICO 10T and Classic FICO were developed by the Fair Isaac Corporation (FICO).

Since VantageScore and FICO develop their scoring models independently, they use different methodologies, which may produce different credit scores for the same applicant.

#2 VantageScore 4.0 Can Score More Consumers

Another key difference is the minimum credit history required to generate a score, which affects how many consumers each model can evaluate.

FICO 10T: Traditional FICO scoreability requirements typically require an established credit history and recent reported activity. VantageScore 4.0 uses broader scoreability criteria, allowing it to generate scores for some consumers with younger or dormant credit files.
VantageScore 4.0: VantageScore 4.0 can often generate a score with as little as one month of credit history and doesn’t require recent credit activity, allowing it to score consumers with younger or dormant credit files.

Due to these differences, VantageScore 4.0 may provide a score for borrowers who would otherwise be unscoreable under FICO requirements. In fact, recent VantageScore research found that VantageScore 4.0 can score approximately 33 million more U.S. adults than Classic FICO or FICO 10T.

#3 They’re Moving Into the GSE Market on Different Timelines

The last key difference between VantageScore 4.0 and FICO 10T is their current implementation status:

VantageScore 4.0 is further along in the transition: In April 2026, Fannie Mae and Freddie Mac began allowing approved lenders to use either VantageScore 4.0 or Classic FICO for loans sold to the government-sponsored entities (GSEs). During this limited rollout, these lenders can choose which model to use on a loan-by-loan basis.
FICO 10T is following behind on a separate timeline: For GSE loan deliveries, FICO 10T remains in the pre-launch stage. However, on July 1, 2026, both GSEs published historical FICO 10T credit score data, allowing lenders and other market participants to evaluate the model as they prepare for its future implementation.

How Will These New Credit Scoring Models Affect Operational Costs?

The conversation surrounding these new credit scoring models isn’t just about predictive performance or borrower eligibility. With credit reporting costs on the rise, many lenders are also evaluating whether having another approved scoring option could help them control their operational expenses.

VantageScore 4.0 Cost Impact

According to VantageScore, using VantageScore 4.0 in the early stages of the lending process, such as pre-screening and pre-approval, has the potential to reduce credit scoring costs when evaluating prospective borrowers. Some early adopters have reported a reduction in unnecessary hard pulls during early-stage qualification and improved outcomes for borrowers with thin credit files.

By increasing competition among mortgage credit scoring providers, the addition of VantageScore 4.0 may also help lower costs more broadly. A March 2026 analysis by Deep Future Analytics, cited by VantageScore, estimated that broader VantageScore adoption and increased credit-score competition could generate more than $930 million in savings for lenders and consumers during the first year of full adoption. Actual savings will depend on adoption, pricing, lender workflows, and other factors.

FICO 10T Cost Impact

In October 2025, FICO launched its Mortgage Direct License Program, which allows participating tri-merge resellers to calculate and distribute FICO Scores directly rather than obtaining them through the three credit bureaus. By eliminating this intermediary step, FICO aims to reduce bureau markups and give lenders greater pricing transparency and flexibility.

This new program also gives lenders two pricing options: a traditional per-score model or a performance-based model that combines a lower per-score fee with a fee when a FICO-scored loan closes. These options are designed to give lenders more control over their credit scoring costs.

Potential Savings Will Vary by Lender

While increased competition and new pricing structures may help lower costs for some lenders, don’t assume these projected benefits will translate into the same results for every organization. Your potential savings ultimately depend on your lending workflows, borrower population, and investor requirements.

Credit Score Modernization Is Happening in Stages

While VantageScore 4.0 and FICO 10T offer promising benefits, credit score modernization isn’t happening through a single industry-wide cutover. Instead, the new models are moving forward on different timelines.

The current lender-choice framework is an interim phase of FHFA’s broader credit score modernization initiative and differs from the dual-score implementation framework originally announced in 2022.

As of August 2026:

Only approved lenders can use VantageScore 4.0 for eligible GSE loans.
FICO 10T isn’t available for live scoring for GSE loan deliveries just yet.
Classic FICO still remains widely used among mortgage lenders.

As your business navigates this ongoing transition, you can prepare by evaluating your current technology environment, investor requirements, secondary-market relationships, and vendor capabilities.

Here are a few questions to assist with this process:

Which credit scoring models is my organization currently eligible to use?
Which models do my LOS and other technology systems support?
Which scores does my credit provider currently deliver?
Which models do my investors and loan programs accept?
How can I prepare my lending workflows for upcoming changes?

Prepare for What’s Next With Certified Credit

In summary, the shift to these new mortgage credit scoring models is creating a more complex lending landscape. Rather than waiting for each change to take effect, it’s helpful to proactively assess how these new models may affect your technology, workflows, and compliance requirements.

At Certified Credit, we can support you throughout this transition. Along with keeping you up to date on the latest VantageScore 4.0 and FICO 10T announcements, we can help you understand what these changes mean for your specific lending operation.

Want to stay ahead of evolving credit scoring requirements? Reach out to Certified Credit today to learn how our team can support your mortgage lending business in 2026.

Frequently Asked Questions

What’s the difference between VantageScore 4.0 and FICO 10T?

VantageScore 4.0 and FICO 10T are two new credit scoring models validated by the FHFA in October 2022 as part of its credit score modernization initiative for Fannie Mae and Freddie Mac. While both models incorporate trended credit data and some alternative credit data, they have different modeling methodologies, scoreability criteria, and implementation timelines.

Why did FHFA approve two new credit scoring models?

FHFA validated VantageScore 4.0 and FICO 10T as part of its credit score modernization initiative for Fannie Mae and Freddie Mac. This initiative aims to improve the accuracy of mortgage credit risk assessments, expand access to sustainable credit for qualified borrowers, and encourage greater innovation and competition in credit scoring.

Does VantageScore 4.0 score more borrowers than FICO 10T?

According to research published by VantageScore, yes. VantageScore 4.0 can score approximately 33 million additional U.S. adults than FICO 10T and Classic FICO, including consumers with young or dormant credit files and some consumers without traditional credit accounts.

Is FICO 10T available for mortgages yet?

FICO 10T is not yet available for live scoring on loans delivered to Fannie Mae and Freddie Mac. The GSEs plan to make FICO 10T available at a later date and will provide advance notice and implementation guidance before its launch.

Do mortgage lenders have to choose between VantageScore 4.0 and FICO 10T?

Not yet. VantageScore 4.0 is currently available for eligible GSE loans, but FICO 10T won’t become available until a later date. As a result, it’s important to confirm which models your specific loan programs, investors, technology systems, and credit providers currently support.

Sources:

VantageScore. New Study Reveals How the VantageScore 4.0 Credit Score Compares to FICO 10T and FICO Classic for New Creditworthy Mortgage Consumers.

https://www.vantagescore.com/resources/knowledge-center/press_releases/new-study-reveals-how-the-vantagescore-4-0-credit-score-compares-to-fico-10t-and-fico-classic-for-new-creditworthy-mortgage-consumers?

FHFA. Credit Scores.

https://www.fhfa.gov/policy/credit-scores

Experian. What Is Trended Data in Credit Scores?

https://www.experian.com/blogs/ask-experian/what-is-trended-data-in-credit-scores/

Equifax. What is the Difference between VantageScore 4.0 and Classic FICO Scores?

https://www.equifax.com/newsroom/all-news/-/story/what-is-the-difference-between-vantagescore-4-0-and-classic-fico-scores-/

Experian. How Long Does It Take to Build Credit?

https://www.experian.com/blogs/ask-experian/how-long-does-it-take-to-build-credit/

Fannie Mae. Selling Guide Announcement (SEL-2026-04).

https://singlefamily.fanniemae.com/media/45381/display

Fannie Mae. Credit Score Models and Reports Initiative.

https://singlefamily.fanniemae.com/originating-underwriting/credit-score-models