AI-Scored Practice Tests
Full-length USMLE Practice Tests
— AI Scored
Realistic USMLE Step 1 and Step 2 CK practice tests with instant score feedback. Detailed question-by-question review and targeted tips to help you pass the United States Medical Licensing Examination.
Practice exams coming soon — explore our free guides below
25K+
Step 1 takers/year
Pass/Fail
Step 1 scoring
3-Step
Licensing pathway
Free
First exam always free
What's on the USMLE
The USMLE consists of three steps administered at different points in medical training.
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Step 1 — Biomedical Sciences
~8 hours
280 questions, 7 blocks
Basic science foundations: anatomy, physiology, biochemistry, microbiology, pharmacology, pathology, and behavioral science. Systems-based and discipline-based questions.
Score: Pass / Fail
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Step 2 CK — Clinical Knowledge
~9 hours
318 questions, 8 blocks
Clinical medicine across all specialties: internal medicine, surgery, pediatrics, OB/GYN, psychiatry, and preventive medicine. Patient vignette format.
Score: Numeric (1–300)
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Step 3 — Medical Practice
2 days
~480 questions + CCS cases
Two-day exam covering clinical diagnosis, management, and Computer-based Case Simulations (CCS). Taken after residency begins.
Score: Numeric (1–300)
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Preparation Strategy
Months of prep
Dedicated study period
Step 1: typically studied during MS2 year. Step 2 CK: during MS3–MS4 clinical rotations. Strong performance opens more competitive residency doors.
Score: High stakes
🖥️Computer-based exam with single-best-answer questions
⏱️40 questions per block with 60 minutes per block
📊Step 2 CK score heavily influences residency Match competitiveness
🌍Required for all physicians seeking to practice medicine in the US
Step 1 changed to Pass/Fail in 2022. Step 2 CK and Step 3 remain numerically scored (1–300).
How it works
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Step 1: Take the exam
Complete a full-length USMLE-style practice test under real timed conditions with authentic clinical vignettes and basic science questions.
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Step 2: Instant scoring
Your performance is evaluated immediately with pass/fail prediction for Step 1 and a numeric score estimate for Step 2 CK.
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Step 3: Get your detailed report
Review every question with full explanations, see your accuracy by organ system and discipline, and get high-yield study recommendations.
What you get in your score report
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Pass/Fail Prediction
Step 1 pass probability based on your performance, calibrated against historical NBME data for accurate predictions.
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Per-Question Review
Every question reviewed with detailed explanations covering the underlying basic science or clinical reasoning required.
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Organ System Breakdown
Accuracy heatmap across all organ systems and disciplines so you can focus your remaining study time strategically.
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High-Yield Topic Flags
Questions tied to the highest-frequency USMLE topics are flagged to help you prioritize your review sessions.
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Improvement Tips
Targeted study recommendations for your weakest disciplines, with suggested resources and review strategies.
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Residency Competitiveness
For Step 2 CK: benchmark your score against competitive ranges for your target specialty and residency programs.