Your FICO score is the number lenders actually use. Despite many apps showing “credit scores,” most lending decisions rely on a specific FICO model — and there are over 50 FICO versions. Here’s what you need to know.
What Is FICO?
FICO stands for Fair Isaac Corporation, the analytics company that created the scoring model in 1989. FICO scores:
- Range from 300 to 850
- Are used in over 90% of top US lenders’ decisions
- Are generated from your credit bureau data (Equifax, Experian, TransUnion)
- Update monthly as your credit data changes
FICO Score Calculation
| Factor | Weight | What FICO Measures |
|---|---|---|
| Payment history | 35% | Every on-time and late payment on record |
| Amounts owed (utilization) | 30% | Balances relative to credit limits |
| Length of credit history | 15% | Age of oldest account, newest account, average age |
| Credit mix | 10% | Variety of account types (cards, loans, mortgage) |
| New credit | 10% | Recent hard inquiries and new account openings |
FICO vs. VantageScore: Side-by-Side
| Feature | FICO Score | VantageScore |
|---|---|---|
| Created by | Fair Isaac Corporation (1989) | Equifax, Experian, TransUnion jointly (2006) |
| Score range | 300–850 | 300–850 |
| Lender usage | 90%+ of US lenders | Growing; used by some lenders, many fintechs |
| Free monitoring | myFICO.com ($), many bank apps | Credit Karma, Credit Sesame |
| Minimum scoring criteria | 1 account open 6+ months, no deceased flag | 1 account (any age) — more inclusive |
| Treats collections differently? | Unpaid collections: counted; Paid: counted (FICO 8), ignored (FICO 9) | Paid collections: ignored in VS 3.0+ |
Your VantageScore and FICO score may differ by 10–40 points. Neither is wrong — they’re just different algorithms.
Which FICO Version Do Lenders Use?
There are over 50 FICO score versions. Different lenders use different versions:
| Lending Type | FICO Version Typically Used |
|---|---|
| Mortgage | FICO Score 2 (Experian), 4 (TransUnion), 5 (Equifax) |
| Auto loan | FICO Auto Score 8 or 2/4/5 |
| Credit card | FICO Score 8 (most common) or FICO Score 9 |
| Personal loan | FICO Score 8 or 9 |
| Student loan | Varies by lender |
Why this matters: The free FICO Score 8 you see on your bank app or Experian may differ from the FICO Score 2/4/5 your mortgage lender pulls. The difference can be 10–30 points. If you’re buying a home, consider purchasing your mortgage-specific FICO scores at myFICO.com.
FICO Score Ranges (All Versions)
| Score | Rating | What It Means |
|---|---|---|
| 800–850 | Exceptional | Best rates; ~23% of people |
| 740–799 | Very Good | Near-best rates |
| 670–739 | Good | Approved for most products |
| 580–669 | Fair | Higher rates, some denials |
| 300–579 | Poor | Limited access, high rates |
How to Get Your FICO Score for Free
| Source | FICO Version | Cost |
|---|---|---|
| Experian.com (free account) | FICO Score 8 | Free |
| Discover Credit Scorecard | FICO Score 8 | Free (no Discover card needed) |
| Most bank and credit card apps | FICO Score 8 | Free |
| myFICO.com | All versions | Paid ($19.95–$39.95/mo) |
For most purposes, FICO Score 8 from Experian or Discover gives you an accurate read. If you’re actively applying for a mortgage, consider purchasing your mortgage scores to know exactly what lenders will see.
How FICO Differs From a Credit Report
Your credit report is the raw data file — every account, payment, inquiry, and public record. Your FICO score is the three-digit number calculated from that data. You can get free credit reports at AnnualCreditReport.com. Free scores are available at many places listed above.
Think of the credit report as a detailed transcript; the FICO score is the GPA.
Related Guides
- What Is a Good Credit Score?
- Credit Utilization Guide
- How to Improve Your Credit Score
- How to Dispute a Credit Report Error
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