AI courses for developers

20 courses, 20 free anywhere in the world, 0 free only in Australia, checked 7 October 2026. 20 courses for developers from 7 providers. The highest rated is Microsoft AI Security Fundamentals from Microsoft at 4.3 out of 5.

Top pick
Microsoft AI Security FundamentalsMicrosoft4.3

A three-module Microsoft Learn path on the security risks that come with AI systems and how to control them.

Free2.17 hours

Top 5 compared

CourseOur ratingCostTimeCredential
Microsoft AI Security Fundamentals4.3 / 5Free2.17 hoursMicrosoft Learn trophy for the path and badges for each module (free)
CS50 Python (CS50P)4.3 / 5FreeTime not statedfree CS50 Certificate (optional paid edX verified certificate) (free)
AI Fluency for Builders4.3 / 5FreeTime not statedcertificate of completion (free)
Microsoft AI apps and agents on Azure4.0 / 5Free5.62 hoursMicrosoft Learn trophy for the path and badges for each module (free)
AWS Prompt Engineering4.0 / 5Free4 hoursNone stated

All 20 courses

Showing 20 of 20

  • MicrosoftAI skill

    Microsoft AI Security Fundamentals

    4.3
    Cost
    Free
    Time
    2.17 hours
    Credential
    Microsoft Learn trophy for the path and badges for each module (free)
    FreeAbout 2 hoursUpdated October 2026Covers prompt injection and red teaming

    A three-module Microsoft Learn path on the security risks that come with AI systems and how to control them. It covers jailbreaking, prompt injection, model manipulation, data exfiltration and over-reliance, then the controls that reduce them and an introduction to red-team testing of AI.

  • Harvard UniversityAI skill

    CS50 Python (CS50P)

    4.3
    Cost
    Free
    Time
    Time not stated
    Credential
    free CS50 Certificate (optional paid edX verified certificate) (free)
    FreeFree certificateHarvardBeginner friendly

    Harvard's well-known introduction to programming in Python, from variables and loops through testing, files, regular expressions and object-oriented code, with weekly problem sets and a final project. It suits complete beginners who want to write real code.

  • AnthropicAI skill

    AI Fluency for Builders

    4.3
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionBuilt with CodePathPractical, not tool-specific

    Applies the 4D framework to the work of product people, engineers and makers: framing a customer problem, building, shipping and owning the result when AI does part of the work. Built with CodePath from research with engineers and product builders.

  • MicrosoftAI skill

    Microsoft AI apps and agents on Azure

    4.0
    Cost
    Free
    Time
    5.62 hours
    Credential
    Microsoft Learn trophy for the path and badges for each module (free)
    FreePrepares for exam AI-901Under 6 hoursUpdated July 2026

    A seven-module Microsoft Learn path that walks through building AI applications and agents on Azure: generative AI and agents, text analysis, speech, computer vision, information extraction and Foundry IQ. Microsoft says it helps prepare for the Azure AI Fundamentals exam AI-901, which replaced AI-900.

  • Amazon Web ServicesAI skill

    AWS Prompt Engineering

    4.0
    Cost
    Free
    Time
    4 hours
    Credential
    None stated
    Free4 hoursRated 4.6 by more than 15,000 learnersUpdated September 2026

    A four-hour AWS course on getting reliable results from foundation models. It moves from the basics of how these models work to basic and advanced prompt techniques, multimodal and domain-specific prompting, prompt misuse and bias. Examples use Amazon Bedrock, but the techniques apply to any model.

  • AnthropicAI skill

    Claude Code in Action

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionAdvanced follow-on to Claude Code 101Covers verification, not just automation

    Running long, hands-off Claude Code sessions you can trust: scoping and steering, a CLAUDE.md that is followed, skills, permission modes and hooks, scheduled and headless runs, GitHub code review, and verifying work you did not watch. The follow-on to Claude Code 101.

  • AnthropicAI skill

    Claude Platform 101

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionStarts from first principlesVendor-specific

    Building on the Claude Platform from first principles: what an API request contains, the agent loop, the context window, tools and permissions, choosing between Opus, Sonnet and Haiku, and where costs and limits live. For developers who have only used Claude in a chat window.

  • AnthropicAI skill

    Claude with the Anthropic API

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionComprehensiveVendor-specific

    The full developer course on the Anthropic API: prompting, tool use, structured output, agents, retrieval and evaluation. Deeper and longer than Platform 101; the reference course for teams standardising on Claude.

  • AnthropicAI skill

    Introduction to Agent Skills

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionReusable procedures, not promptsTeam distribution covered

    Building, configuring and sharing Skills in Claude Code: reusable markdown instructions Claude applies to the right task at the right time. Covers SKILL.md frontmatter, descriptions that trigger reliably, progressive disclosure, tool restrictions, sharing through repositories, plugins and enterprise settings, and troubleshooting.

  • AnthropicAI skill

    Introduction to Model Context Protocol

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionHands-on in PythonOpen standard, not Claude-only

    Building MCP servers and clients in Python: the three primitives (tools, resources, prompts), the transport-agnostic message flow, the server inspector, and connecting Claude to external services without hand-written integration code.

  • AnthropicAI skill

    Introduction to Subagents

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionShortIncludes anti-patterns

    Using and creating sub-agents in Claude Code to delegate tasks to isolated assistants, keep the main context clean, and design reliable patterns: structured output, obstacle reporting, limited tool access, and when not to delegate.

  • Hugging FaceAI skill

    AI Agents Course

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate available on the certification pathOpen-source stackActive community

    A free, beginner-to-expert course on AI agents in theory and practice, using smolagents, LlamaIndex and LangGraph, with challenges and a certification path. Learners share agents on the Hugging Face Hub and work with a community on Discord.

  • Harvard UniversityAI skill

    CS50's Introduction to Artificial Intelligence with Python

    4.0
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeFree CS50 certificate; edX verified certificate optional and paidHarvardProject-based

    Harvard's seven-week course on the concepts and algorithms behind modern AI: graph search, knowledge, uncertainty, optimisation, machine learning, neural networks and language, each with a hands-on Python project. Free via OpenCourseWare with a free CS50 certificate; the edX verified certificate is optional and paid.

  • MicrosoftFuture skill

    Inclusive design in practice

    3.8
    Cost
    Free
    Time
    5.7 hours
    Credential
    Microsoft Learn trophy for the path and badges for each module (free)
    FreeMicrosoft trophyUnder 6 hoursAccessibility focus

    A five-module Microsoft path, built with Teach Access, on designing and testing digital products that people with disabilities can use, covering keyboard access, screen readers, colour contrast and responsive layouts. It suits designers, developers, product owners and content creators who need practical accessibility skills.

  • AnthropicAI skill

    Model Context Protocol: Advanced Topics

    3.8
    Cost
    Free
    Time
    Time not stated
    Credential
    certificate of completion (free)
    FreeCertificate of completionAdvancedFollows the introduction course

    The follow-on MCP course: sampling, notifications, progress, roots, transports and production concerns for servers that run beyond a laptop.

  • AnthropicAI skill

    Claude Code 101

    3.5
    Cost
    Free
    Time
    Time not stated
    Credential
    No credential
    Free courseDeveloper-onlyHands-on

    A developer course on Anthropic's AI coding agent, from installation to customisation. It covers how the agent loop works, a structured explore, plan, code and commit workflow, context management and extending Claude Code with CLAUDE.md files, subagents, skills, MCP and hooks.

  • MicrosoftAI skill

    Microsoft Generative AI for Beginners

    3.4
    Cost
    Free
    Time
    Time not stated
    Credential
    No credential
    FreeOpen source on GitHub21 lessonsPython and TypeScript code

    Microsoft's open course of 21 lessons on building with generative AI. Each topic has a 'Learn' lesson on the concept and a 'Build' lesson with code in Python and TypeScript, covering how large language models work, responsible use, prompt engineering and building chat, search and image apps.

  • MicrosoftAI skill

    Microsoft AI Agents for Beginners

    3.4
    Cost
    Free
    Time
    Time not stated
    Credential
    No credential
    FreeOpen source on GitHub18 lessonsTranslated into more than 50 languages

    An 18-lesson open course from Microsoft on building AI agents: what agents are, the main frameworks, design patterns, tool use, agentic retrieval and how to make agents trustworthy. It is code-first and suits developers who have built a basic AI app and want to move to agents.

  • GoogleAI skill

    Google ML Crash Course

    3.4
    Cost
    Free
    Time
    Time not stated
    Credential
    No credential
    FreeBuilt by Google12 modulesAvailable in more than 20 languages

    Google's own introduction to machine learning, from linear and logistic regression through neural networks, embeddings and large language models to production systems and fairness. It is hands-on and assumes some Python and maths, so it suits people moving from using AI to understanding how models are built.

  • fast.aiAI skill

    Practical Deep Learning for Coders

    3.4
    Cost
    Free
    Time
    13.5 hours
    Credential
    No credential
    FreeTechnicalRecorded at the University of QueenslandHands-on

    The one technical pick: a free, highly regarded hands-on course that teaches coders to build and deploy deep learning models from the first lesson. It was recorded at the University of Queensland and favours practical results over theory.

Questions

ApplyAI lists 20 free courses for developers from 7 providers. The top pick is AI Security Fundamentals from Microsoft (free, about 2 hours 10 minutes, rated 4.3 out of 5).

Start with AI Security Fundamentals from Microsoft (free, about 2 hours 10 minutes, rated 4.3 out of 5). If you want a matched pick, take the free AI Adaptation Profile first.

20 of the 20 courses for developers we rate are fully free, as at our last check.

Microsoft AI Security Fundamentals from Microsoft, at about 2.17 hours.

14 courses give a free certificate. The highest rated are Microsoft AI Security Fundamentals, CS50 Python (CS50P), AI Fluency for Builders.

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