The right Scrum Master credential depends on your career goals, learning style, and how you want to demonstrate Scrum competence.
- CSM requires a course; PSM I requires only passing a rigorous exam
- PSM I is more technically rigorous; CSM is more widely held
- SAFe SM is right for Scrum Masters in SAFe organizations
CSM (Scrum Alliance)
Requires a 2-day accredited course and a 50-question exam. The most widely held Scrum credential, recognized by most employers seeking Scrum Masters.
PSM I (Scrum.org)
Requires passing an 80-question online exam with an 85% pass score. No course required. Considered more technically rigorous and valued in software-heavy environments.
Advanced credentials
A-CSM and PSM II are appropriate after 2+ years of practice, testing facilitation, coaching, and organizational change at a deeper level.
Which to choose
CSM for accessibility and recognition. PSM I to demonstrate technical rigor. Add SAFe SM if your organization uses SAFe.
Frequently asked questions
2 years; renewal requires Scrum Education Units.
Generally yes — 85% to pass with no materials allowed.
No formal requirement, but CSM or PSM I is expected by most employers.
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