Exam version change
AWS ML Engineer MLA-C01 vs MLA-C02
AWS offers both MLA-C01 and MLA-C02 today and hasn’t announced a retirement date for MLA-C01. Here’s what changes between the two versions, and which one to sit.
- MLA-C02 available
- Now
- MLA-C01 retires
- Not announced
Last updated
Domain weights
What changed
Each domain’s share of the exam under MLA-C01 and MLA-C02, as AWS publishes them.
| Domain | MLA-C01 | MLA-C02 | Change |
|---|---|---|---|
| Data Preparation for ML and AIWas: Data Preparation for Machine Learning (ML) | MLA-C0128% | MLA-C0228% | ChangeNo change |
| ML Model and Foundation Model (FM) DevelopmentWas: ML Model Development | MLA-C0126% | MLA-C0224% | Change−2 points |
| Deployment and Orchestration of ML and AI WorkflowsWas: Deployment and Orchestration of ML Workflows | MLA-C0122% | MLA-C0224% | Change+2 points |
| Operating, Monitoring, and Securing ML and AI SolutionsWas: ML Solution Monitoring, Maintenance, and Security | MLA-C0124% | MLA-C0224% | ChangeNo change |
In short
- Deployment and Orchestration of ML and AI Workflows grows the most, from 22% to 24% of the exam.
- ML Model and Foundation Model (FM) Development shrinks the most, from 26% to 24%.
- Data Preparation for Machine Learning (ML) is now called Data Preparation for ML and AI.
- ML Model Development is now called ML Model and Foundation Model (FM) Development.
- Deployment and Orchestration of ML Workflows is now called Deployment and Orchestration of ML and AI Workflows.
Weights come from AWS’s exam guides. How we check our facts
Your exam
Which version should you take?
Both versions can be booked today, and AWS hasn’t said when MLA-C01 retires. If you’re starting now, study for MLA-C02. If you’ve already prepared for MLA-C01, sit it rather than start again.
FAQs
Got Questions? We’ve Got Answers.
Find quick answers or contact our support team.
Should I take MLA-C01 or MLA-C02?
Both versions can be booked today, and AWS hasn’t said when MLA-C01 retires. If you’re starting now, study for MLA-C02. If you’ve already prepared for MLA-C01, sit it rather than start again.
What changed between MLA-C01 and MLA-C02?
Deployment and Orchestration of ML and AI Workflows grows the most, from 22% to 24% of the exam. ML Model and Foundation Model (FM) Development shrinks the most, from 26% to 24%. Data Preparation for Machine Learning (ML) is now called Data Preparation for ML and AI. ML Model Development is now called ML Model and Foundation Model (FM) Development. Deployment and Orchestration of ML Workflows is now called Deployment and Orchestration of ML and AI Workflows.
When does MLA-C01 retire?
AWS hasn’t announced a date. We check AWS’s site every week, and this page changes the day it does.
Is my certification still valid if I passed MLA-C01?
Yes. You earn the same AWS ML Engineer certification whichever version you pass, and it stays valid for its usual term.
Which version does the free AWS ML Engineer practice test follow?
MLA-C02. Its 10 questions are spread across that version’s domains by their weights.
