AWS Certified Machine Learning - Specialty (MLS-C01)
MLS-C01
A Specialty-level exam on the Machine Learning track, covering Data Engineering, Exploratory Data Analysis, Modeling, and more, rated hard in difficulty, recommended for candidates with at least 36 months of hands-on experience, consisting of 65 questions in 170 minutes. Prepare with professionally curated practice questions and walk into exam day with confidence.
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Exam Details
- Time Limit
- 170 min
- Exam Questions
- 65
- Exam Fee
- $300
- Format
- multiple-choice / multiple-response
- Difficulty
- Hard
- Exp. Needed
- 36 months
- Cert Valid
- 3 yr
- Free Questions
- 20
- Languages
- English, Japanese, Korean, Simplified Chinese
What the MLS-C01 Exam Covers
4 official domains
Data Engineering
Exploratory Data Analysis
Modeling
ML Implementation and Operations
Who Should Take This
MLS-C01 target roles
Certification Path
Specialty · Machine Learning
| Prerequisites | None (AIF-C01 recommended) |
|---|---|
| Current Exam | MLS-C01 |
MLS-C01 exam guide
How hard is the MLS-C01 exam?
The MLS-C01 is rated hard in difficulty, most candidates prepare with at least 36 months of hands-on experience. Difficulty varies with your existing hands-on practice, so use the sample questions on this page to gauge where you stand before booking the real test.
How long should you study for the MLS-C01?
A practical plan for this difficulty level is 12–16 weeks of focused study at one to two hours a day. Split the time across the official domains below, finish each domain with practice questions, and reserve the final two weeks for full-length timed practice and review of missed questions.
What is the MLS-C01 exam format?
Expect around 65 questions, 170 minutes to complete, formats include multiple-choice,multiple-response, the current blueprint is version v1.0, the official exam fee is $300 USD. It is offered in English, Japanese, Korean, Simplified Chinese. Check your local testing provider for delivery options and any regional pricing differences.
Who should take the MLS-C01 exam?
This is a specialty-level certification, the prerequisite is none (aif-c01 recommended), typical target roles include data scientist, ml engineer, ai engineer. If the role you are aiming for appears on that list, the credential is a direct investment in your next job move rather than a general-purpose certificate.
What comes after the MLS-C01?
Candidates who pass usually continue with None, this exam sits on the Machine Learning track. Map the whole path before you start studying so each certificate builds on the previous one instead of repeating the same ground.
How do you renew the MLS-C01 certification?
The certification remains valid for 3 years, renewal is possible via pass current exam or higher-level aws exam. Plan the renewal before the expiry date so the credential never lapses on your CV or job application.
Certification FAQ
Other ways to test for MLS-C01
20 free questions available — two ways to use them.
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