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Start guided practiceThe long-running specialty ML exam, weighted heavily toward modelling: algorithm selection, feature engineering, evaluation metrics and production ML operations on AWS.
AWS Certified Machine Learning – Specialty is AWS's specialty-level ai & machine learning certification, sat as exam MLS-C01. The exam runs for 3 hours and presents up to 65 questions, with a pass mark of 750 / 1000 (scaled). It costs US$300 at the standard rate.
AWS publishes the syllabus as 4 weighted domains. Modeling carries the most weight at 36%, and the three largest domains together account for roughly 80% of the scored content — worth knowing before you decide where study time goes.
Confirm these details on the official AWS page before booking — vendors adjust format and pricing without notice.
Some forms include unscored trial questions
Standard rate, before local taxes
The published exam guide for MLS-C01, in the vendor's own order.
01Data Engineering
20%02Exploratory Data Analysis
24%03Modeling
36%04Machine Learning Implementation and Operations
20%One to two years developing and running machine learning workloads on AWS.
Specialty level — Deep-dive credentials focused on a single technical domain.
Preview 25 supported questions before unlocking the 368-question MLS-C01 bank.
Community-contributedCompiled from publicly posted community exam discussions. Contributed by third parties rather than written here, so accuracy varies and most items carry no explanation. Progress and bookmarks stay in this browser.
Answer support: 316 explanations, 368 questions with candidate context and 211 questions with direct citations. Bank updated .
Choose an answer, reveal the key, and review available explanations, citations and candidate context.
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Compiled from exam discussions posted publicly by other people on ExamTopics. Copyright in each contribution rests with its original author; it is reproduced here for study. Not verified by us — most items carry no explanation. To request removal, see our content policy.
AWS lists up to 65 questions, to be completed in 3 hours. Question counts can vary slightly between exam forms, and unscored trial questions are sometimes included.
750 / 1000 (scaled). Confirm the current figure on the official exam page before booking, as vendors adjust cut scores when an exam form is refreshed.
The standard price is US$300. Local pricing, taxes and any retake policy vary by region, so check the official page for the figure that applies to you.
One to two years developing and running machine learning workloads on AWS.
The exam guide covers Data Engineering, Exploratory Data Analysis, Modeling and Machine Learning Implementation and Operations. The full weighted breakdown is listed above.
Yes — this exam has 368 practice questions available here, each with the correct answer marked. They are community-contributed, compiled from exam discussions posted publicly by other people rather than written here, and most do not carry an explanation.