Top free AI tools for teachers in 2025

Teachers in 2025 have more tools at their disposal than ever before. Many AI apps also offer free features that can make daily tasks easier. But how can you navigate this noisy marketplace and find the right tools for your teaching needs?

This post covers the best free AI tools available to teachers. We'll look at the key features of each tool and how they can be useful in the classroom. Side note: many of these tools have optional paid plans, but you can get started with the free version and pay to upgrade if/when you need.

Let's dive in.

Best free AI teacher tools for creating resources and lesson plans

📝 Diffit

Key features:

Diffit uses AI to help teachers quickly generate differentiated texts and materials to cater to diverse student needs. It’s particularly useful for adapting based on reading levels and creating resources that suit varying abilities in the classroom.

Best for:

Classroom and specialist teachers focused on creating inclusive education settings.

What it costs:

• Free trial
• Individual teacher subscription is $14.99/month
• First-year teachers get 12 months of Diffit for free!

Website: https://web.diffit.me/

📝 Brisk

Key features:

Brisk is a Chrome extension that follows you around and helps out in loads of ways. We’ve categorised it under this lesson resources section, but Brisk does a lot more than that. It integrates with tools like Google Docs and Google Slides and lets you quickly create content, adapt reading levels, give feedback, and inspect student writing processes.

Best for:

Any teacher or educator looking to reduce workload, increase efficiency, and create for differentiated learning. If you already use Chrome and Google apps, Brisk will slot right in.

What it costs:

• Free plan
• Pro plan is $9.99/month

Website: https://www.briskteaching.com/

📝 Twee

Key features:

With Twee, you can quickly and easily spin up lesson plans, content and engaging questions based on pretty much anything: a topic, a prompt, an article, a video or any other resource. There are lots of options for activities and content generation for lessons on Reading, Vocabulary, Writing, Speaking, Grammar and Listening.

Best for:

Classroom teachers who want to cut down the time it takes to plan engaging, thought-provoking lessons.

What it costs:

• Free plan (very generous)
• Pro plan is $11.95/month

Website: https://twee.com/

📝 edcafe

Key features:

With Twee, you can quickly and easily spin up lesson plans, content and engaging questions based on pretty much anything: a topic, a prompt, an article, a video or any other resource. There are lots of options for activities and content generation for lessons on Reading, Vocabulary, Writing, Speaking, Grammar and Listening.

Best for:

Classroom teachers who want to cut down the time it takes to plan engaging, thought-provoking lessons.

What it costs:

• Free plan (very generous)
• Pro plan is $11.95/month

Website: https://www.edcafe.ai/

📝 MagicSchool

Key features:

MagicSchool is the Swiss army knife of AI-powered educator platforms, with over 70 AI-powered tools to help with tasks like lesson planning, differentiation, writing assessments, and IEPs. It also integrates with tools like Google Classroom and provides in-platform training and certification resources.

Best for:

Teachers of all levels and school administrators who want to save time, reduce burnout, and ensure privacy compliance.

What it costs:

• Free plan
• Plus plan is $8.33/month

Website: https://www.magicschool.ai/

Best free AI teacher tools for drawing and images

🎨 Autodraw

Key features:

A simple, free AI-powered app from Google that helps students turn doodles into visual drawings fast. Students can draw anything on the whiteboard screen, and the AI will suggest completed drawings that the students can add to their work. There are various other drawing options too, including colours, text and shapes.

Best for:

Educators looking for a simple, fun way for young students to turn their sketches into professional looking drawings.

What it costs:

• Totally free

Website: https://www.autodraw.com/

🎨 Quick, draw!

Key features:

Quick, Draw! is another free experimental tool by Google that is fun for students to play around with and to help them understand the concept of machine learning. The app gives you 20 seconds to draw a doodle and the AI has to guess what the drawing is (spoiler: it’s very good!). By using the app, you’ll be helping train the world’s largest doodle data set.

Best for:

Elementary/primary teachers wanting a fun activity for young students that helps them learn more about AI and machine learning.

What it costs:

• Totally free

Website: https://quickdraw.withgoogle.com/

🎨 Bing Image Creator

Key features:

As the name suggests, this is an image creation tool from Bing that uses AI to generate images from written prompts. It’s free to use and just requires sign-up with a work or personal email address.

Best for:

Teachers who want to unleash students’ creativity and introduce the concept of generative AI and prompting.

What it costs:

• Totally free (though limited to 15 credits per day)

Website: https://www.bing.com/images/create

Best free AI teacher tools for grading and giving feedback

💬 EnlightenAI

Key features:

An AI-powered platform for streamlining grading and feedback. Thanks to built-in AI, EnlightenAI adapts to each teacher's grading style. Key features include seamless integration with Google Classroom, an intuitive grading interface, AI-generated feedback aligned with rubrics, and comprehensive reporting tools. Teachers can create and manage rubrics, provide personalised feedback, and generate PDF reports or email feedback directly to students.

Best for:

Educators looking to enhance their grading efficiency and improve the quality of feedback they give to students.

What it costs:

• Totally free (for now—apparently they plan to introduce a paid tier in the future)

Website: https://enlightenme.ai/product

Best free AI teacher tools for research and presentations

🔎 Gamma

Key features:

Gamma turns notes, files, or one-line prompts into stunning slide decks that convey ideas brilliantly. It has an intuitive, easy-to-use interface that makes presentation design effortless, even for those with zero design skills.

Best for:

Teachers and lecturers who need to put together professional-looking presentations quickly and easily, using existing notes or AI-generated content.

What it costs:

• Free plan with 400 credits
• Plus plan is $10/month
• Pro plan is $20/month

Website: https://gamma.app/

🔎 NotebookLM by Google

Key features:

Upload any documents to NotebookLM and the app will help you analyse them in detail. Discuss with AI using the chat interface, or ask the AI to generate various outputs such as summaries, study guides, and podcast-style audio overviews . NotebookLM also provides citations to show where the information comes from within the uploaded documents.

Best for:

Teachers and students who want help from an AI study buddy to understand complex information or documents.

What it costs:

• Free

Website: https://notebooklm.google.com/

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