Google's source-based notebook assistant for understanding documents and developing research-oriented outputs.
Best for: Source-grounded study and research notebooks
Khan Academy's AI teaching and tutoring tools for lesson preparation, writing support, and guided learning.
Best suited to
Lesson preparation and guided learning in Khan Academy
Khan Academy's AI teaching and tutoring tools for lesson preparation, writing support, and guided learning.
Use the teacher tools for a lesson outline or the learner experience for guided explanations suited to the topic.
Access and pricing: Teacher tools are free for eligible access. Learner and parent plans are $4/month or $44/year; districts and writing offerings have separate arrangements.
Khanmigo's pricing page shows separate offerings. Teachers get free tools for standards-aligned lesson planning, summaries of student work, learning objectives, rubrics, exit tickets and content refreshers. Learners get personalised tutoring on Khan Academy content, guided writing and debate practice, career coaching and coding feedback.
Teachers wanting free planning help, families who want a guided tutor on Khan Academy material, and districts needing rostering and single sign-on.
Learner and Family plans are $4 a month or $44 a year, excluding sales tax. The Family plan adds child accounts, interaction history, moderation alerts and college admissions coaching. District pricing is on request and adds teacher and student access, district and school data, Clever or ClassLink sign-on, a customer success manager and professional learning. The pricing page does not describe a free learner tier, so check eligibility for your situation.

Lesson preparation
Teacher assistance
Guided tutoring
Writing support
Teacher tools are free for eligible access. Learner and parent plans are $4/month or $44/year; districts and writing offerings have separate arrangements.
$0 for eligible teacher tools
US$4/month; or US$44/year
Plan information can change. Prices and conditions are set by the provider. Information checked 2026-10-06.
Source for access detailsOne email a week with pricing and feature changes in this category. No per-tool price alerts.
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Use the teacher tools for a lesson outline or the learner experience for guided explanations suited to the topic.
Teacher tools are free for eligible access. Learner and parent plans are $4/month or $44/year; districts and writing offerings have separate arrangements.
Official-source information was reviewed on 2026-10-06. Plans and limits can change; check the linked provider source before subscribing.
Teacher tools are free, according to the pricing page. Learner and Family plans cost $4 a month or $44 a year, excluding sales tax. Districts get pricing on request.
The Family plan is $4 a month or $44 a year per the pricing page. It includes learner features plus child accounts, interaction history, moderation alerts and college admissions coaching.
The free teacher tools cover standards-aligned lesson planning, summaries of student work, learning objectives, rubrics, exit tickets and content refreshers, with chat history access.
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Report incorrect information or a broken linkGoogle's source-based notebook assistant for understanding documents and developing research-oriented outputs.
Best for: Source-grounded study and research notebooks
AI teaching platform with browser and web tools for lesson preparation, feedback, and adapted learning materials.
Best for: Lesson preparation and Resource adaptation
Duolingo's paid AI-enhanced language-learning tier for conversational practice and personalised learning features.
Best for: Language learners seeking paid AI conversation practice