Best AI-103 practice tests in 2026: free vs paid, compared

The short version: start with Microsoft's free official Practice Assessment, then add one paid bank — and build something real in Microsoft Foundry. AI-103 is a developer exam: it expects you to have written Python apps and to know which Foundry service, setting or agent tool fits a scenario. Practice questions find your gaps; hands-on work is what closes them.

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We build AI-103 prep ourselves, so weigh our own entry accordingly. The rest is an honest account of the practice options for Microsoft Exam AI-103, Developing AI Apps and Agents on Azure, as of November 8, 2026 — including what we don't do. Prices and question counts below come from each vendor's own product page on that date; if we couldn't confirm a number, we left it out.

What the exam actually is

Two things about this exam matter for buying practice tests. First, there is one current outline: skills measured as of April 16, 2026. Any bank you buy should be written to it, not adapted from AI-102, which Microsoft now lists as retired. Second, the platform renames things fast, and a bank that isn't maintained will teach you answers that are now wrong: Azure AI Foundry is now Microsoft Foundry; Azure AI services are now Foundry Tools; Foundry Agent Service works with conversations, items and responses, not threads and runs; content filters are now Guardrails; Microsoft Agent Framework is the successor to Semantic Kernel and AutoGen; and DALL-E 3 is retired in favor of the gpt-image models.

Quick comparison

1. Microsoft's free official Practice Assessment

BEST FREEMicrosoft publishes a free official Practice Assessment for AI-103. It lives on AI Skills Navigator (aka.ms/AI103-PA): you sign in and launch it, and Microsoft describes it as a new experience that more closely aligns with the exam. The AI-103 exam page also links free exam prep videos, an exam sandbox that shows the question formats, and Microsoft's self-paced training for the exam.

Best for: everyone, first. Take it early to see where you stand and again near the end as a check. Trade-off: it is one assessment, not a large bank or a hands-on tool, so most people want a second source for more variety and timed practice.

2. Tutorials Dojo AI-103 practice exams

BUDGET BANKTutorials Dojo sells AI-103 Azure AI App and Agent Developer Associate Practice Exams with 60+ questions at a $12.99 list price (a $9.09 sale price was also shown on the page). It offers randomized, timed, review and section-based modes plus bonus flashcards. There is also a free 20-question sampler, which is a no-risk way to see the question style.

Best for: anyone who wants a low-cost second source after Microsoft's free assessment. Trade-off: 60+ questions is a smaller bank than the others here, and it's a question product, so you still need Foundry itself for hands-on practice.

3. CrushCert

LABS + MOCKThat's us. CrushCert's AI-103 bank is 300 original questions written to the April 16, 2026 outline and its weights — 82 on planning and managing AI solutions, 98 on generative AI and agents, and 40 each on computer vision, text analysis and information extraction. Questions use current names (Microsoft Foundry, Foundry Tools, Foundry Agent Service conversations and responses, Guardrails, Microsoft Agent Framework, gpt-image), and every explanation says why the right answer is right and why each wrong answer is wrong.

You also get five labs. One is an Azure CLI lab where you type real az cognitiveservices commands to create a Foundry resource, a project and a Global Standard model deployment, then assign the Foundry User role; flags can go in any order. Four drag-and-drop labs cover the choices the exam likes to test: Pick the Right Foundry Tool, Build the RAG Pipeline in Order, Match the Safety Control and Choose the Agent Tool. Add adaptive quizzes that prioritize unseen and missed questions, flashcards with spaced repetition, and a 50-question mock on a 120-minute timer with a 70% pass line. It is $15/mo for AI-103 alone, or included in the $24/mo Professional plan with all 23 exams across Cisco, CompTIA, AWS, ISC2 and Microsoft. 7-day free trial, no card, cancel anytime.

Best for: people who want a large bank, labs and a full-length timed mock in one place, and anyone stacking several certs. Trade-off: the labs are simulated — nothing is deployed, so you still need a real Azure subscription to build in Foundry. It is practice, not a video course, so pair it with Microsoft's free training, and it's a subscription rather than a one-time purchase. AI-103 is new to CrushCert, so it doesn't have a track record yet. Here's CrushCert's AI-103 prep.

4. MeasureUp AI-103 practice test

LARGEST ESTABLISHED BANKMeasureUp, a long-standing publisher of Microsoft practice tests, sells a Microsoft Practice Test AI-103: Developing AI Apps and Agents on Azure with 123 questions, released September 2026. The list price is $99; on November 8, 2026 it was shown on sale from $59.40. It has a timed certification mode and a customizable practice mode. MeasureUp also sells a 30-question AI-103 assessment ($19.95 list, shown at $9.98) that is assessment-only, with no explanations.

Best for: people who want a large, established bank and can catch a sale. Trade-off: at list price it is the most expensive option here, and Microsoft's own practice assessment is free.

5. Udemy practice-test courses

WIDE CHOICEUdemy has many independent AI-103 practice-test courses from different instructors, and prices change constantly with Udemy's sales, so we haven't listed one. Quality varies from course to course.

Best for: people who already shop on Udemy and want a large number of extra questions. Trade-off: check the "last updated" date, read the preview questions, and skip any course that still uses AI-102 names or patterns.

How to choose

• Check the names in the sample questions. A correct answer that says "create a thread and a run," "Azure AI Studio," "Cognitive Services," "Form Recognizer" or "DALL-E 3" means the bank hasn't caught up with the platform.
• Check that it covers all five domains at the right weights. Generative AI and agents is 30–35% of the exam and planning and managing is 25–30%. A bank that is mostly vision and language questions is probably a reworked AI-102 bank.
• Read the explanations, not just the answers. On AI-103 the wrong choices are usually real services that fit a slightly different scenario (File Search vs the Azure AI Search tool, JSON mode vs structured outputs, Groundedness vs Relevance). You want explanations that cover why each wrong choice is wrong.
• Decide whether you need labs or a timed mock. If you only want extra questions, a one-time purchase is enough. If you want a 120-minute sitting and scenario labs, pick a product that has them.
• Count the cost of hands-on separately. No practice test replaces building a small app and an agent in Microsoft Foundry, and model calls in a real subscription are billed per token.

Our honest recommendation

Work through Microsoft's free self-paced AI-103 training, build a small RAG app and one agent in Microsoft Foundry, and take the free official Practice Assessment early to find your weak domains. Try Tutorials Dojo's free sampler too. Then add one paid source: Tutorials Dojo if you want the cheapest bank; MeasureUp if you want 123 questions from an established publisher and catch a sale; CrushCert if you want a 300-question bank, labs, a 120-minute mock and a plan that also covers your other certs. Skip the dumps. Book the exam when you're passing the Microsoft assessment and timed mocks with room to spare. If you're still deciding, read is AI-103 worth it; for the time budget, see how long to study for AI-103, or go straight to the AI-103 study plan.

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