
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Search AI tools, categories, and leaderboards
Astra AI records 7,356,157 monthly visits with +40.3% month-over-month growth and Freemium, Paid pricing. Course Hero records 5,163,395 monthly visits with -1.4% growth and Freemium pricing.
Study library, AI homework help, and 24/7 tutor access in one place
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | astra-ai.co | coursehero.com |
| Pricing Model | Freemium, Paid | Freemium |
| Monthly Visits | 7.36M (7,356,157) | 5.16M (5,163,395) |
| MoM Traffic Delta | +2.11M (+40.3%) | -72.33K (-1.4%) |
| Primary Market & Share | 🇻🇳 Vietnam (14.3%) | 🇺🇸 United States (55%) |
| Direct Visits / mo | 2.36M | 866.95K |
| User Rating | 4.3 | 3.7 |
| Supported Platforms | Website | Website |

Your personal AI tutor for every subject, from notes to exam day.
Upload your notes, slides or past papers, set your exam date and target grade, and Astra assembles a topic-by-topic revision plan built around exactly what you'll be tested on.
Ask by typing, speaking or snapping a photo. The tutor explains concepts at your level, asks follow-up questions and keeps going until the idea actually clicks.
Generate guided lessons, flashcards, quizzes, true/false and smart-text exercises, plus an auto-generated podcast so every learning style is covered.
Practise with realistic oral and timed written mock exams that get graded, so you know where you stand before the real thing.
Study library, AI homework help, and 24/7 tutor access in one place
Search by school and course to reach lecture notes, study guides, past exams, and assignment solutions shared by students at thousands of institutions.
Submit a question and get AI-generated explanations and recommended study content rather than an unexplained final answer.
Ask a tutor at any hour across core subjects and receive a worked, expert-checked response, usually within minutes.
Work through textbook problems and math questions with structured, step-by-step solutions rather than answer keys alone.

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Turn long articles and reports into clear key points in seconds
Turn long articles and reports into clear key points in seconds
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace
ChatGPT-powered grammar, rewrite, and translation helper for iPhone, iPad, and Mac
ChatGPT-powered grammar, rewrite, and translation helper for iPhone, iPad, and Mac

Visual storytelling without the blank-slide problem
Visual storytelling without the blank-slide problem
Buy once, use everywhere — an AI copilot that writes, summarizes and paints on any site
Buy once, use everywhere — an AI copilot that writes, summarizes and paints on any site
Your always-on AI teammate inside the Notion workspace

Tencent's free Hunyuan-powered assistant for chat, search, documents and images
Tencent's free Hunyuan-powered assistant for chat, search, documents and images

Free GLM-powered assistant that turns prompts into slides, sites and code