
Stop Paying for
Multiple AI Subscriptions
Your all-in-one AI powerhouse for work and play. Chat with GPT-5.2, Claude, and Gemini 3. Generate stunning images with OpenAI and Google's latest models. All in one app, for less than a single AI subscription. Available on every Apple device and Web.
No credit card required · 5 messages/day

The World's Most Powerful AI Models
One subscription gives you access to the latest frontier AI models. Switch between them seamlessly based on your needs.
OpenAI
GPT-5.2
Most capable OpenAI model for complex reasoning and analysis
Gemini 3.0 Pro
Advanced multimodal AI with image generation capabilities
Anthropic
Claude Opus 4.6
Balanced intelligence with thoughtful, nuanced responses
Research in Minutes,
Not Hours
Let AI do the heavy lifting. Our Deep Research explores topics like a team of researchers—analyzing sources, synthesizing information, and delivering professional reports with proper citations.
Choose Your Research Depth
AI explores every angle recursively — Subscriber exclusive
Planning
AI creates research strategy
Searching
Explores multiple sources
Browsing
Reads and extracts content
Analyzing
Synthesizes information
Writing
Generates your report
Watch AI Think
Like a Researcher
Deep Research doesn't just search—it thinks. Our AI explores topics recursively, following promising leads deeper while maintaining breadth. Like having a research team that works in minutes, not days.
From Question to Finished Report
Simple workflow, powerful results. Export your research or combine multiple reports in Collections for even deeper analysis. Learn more about Collections
Ask Your Question
Enter any research topic—simple or complex
AI Researches
Watch as AI explores, analyzes, and synthesizes
Get Your Report
Professional report with sources and citations
Export & Build
Download as PDF/Markdown or add to Collections
Research That Fits Your Needs
Whether you're writing a thesis, preparing a business report, or studying for exams, Chunk adapts to your research style.
For Students
Research papers, essay prep, study materials. Get properly cited sources and save hours on every assignment.
For Academics
Comprehensive literature reviews with APA, MLA, or Chicago citations. Export directly to your workflow.
For Professionals
Market research, competitive analysis, and financial insights with professional visuals and charts.
Research Reports with
Professional Graphics
Enable AI images and watch Chunk generate relevant charts, infographics, and illustrations for your research. Powered by Gemini 3 Pro Image for publication-ready visuals.

AI Writing Tools
Grammar, tone, translate & more
Write Smarter with
AI-Powered Notes
Capture ideas, research, journals, and homework alongside your AI conversations. A rich editor that's easy to use, with Markdown source mode for power users. AI writing tools help polish your work in seconds.
Convert any AI chat into a note with one tap • Markdown source mode for advanced users
Loved by Researchers & Professionals
See why thousands of users switched to Chunk for their AI needs.
“I used to pay for ChatGPT Plus and Claude Pro separately. Now I get both plus Gemini for less than the cost of one subscription. Game changer for my research workflow.”
“The memory feature is incredible. Chunk remembers my thesis topic, my writing style, and even my professor's feedback preferences. It's like having a research assistant who actually knows me.”
“Being able to switch between GPT-5 and Claude in the same conversation is a superpower. I use GPT for brainstorming and Claude for writing. One app, zero context switching.”
Three Ways to Research Anything
Choose the depth and format that fits your needs. Every report is AI-generated with real sources and citations.
Deep Research
Recursive multi-depth analysis across dozens of sources. Produces PhD-level comprehensive reports with data tables, market sizing, and expert-level insights.
Best for: Market analysis, academic research, competitive intelligence
Detailed Report with Images
Comprehensive analysis with inline visuals, data tables, and benchmark comparisons. Balances analytical depth with visual storytelling.
Best for: Presentations, team reports, visual learners
Resource Report
Curated collection of the best sources, tools, and references on any topic. Each resource includes relevance ratings and AI-written summaries.
Best for: Learning new topics, reading lists, literature reviews
Simple, Transparent Pricing
One subscription. All AI models. No surprises.
ChatGPT Plus
$20/mo
1 model
Claude Pro
$20/mo
1 model
Gemini Advanced
$20/mo
1 model
Chunk Pro
$5.83/mo
ALL models
Available on iOS, iPadOS, macOS, Vision Pro, and Web. Subscriptions managed through Apple App Store.
Built for Work & Play
From serious data analysis to creative exploration, Chunk adapts to whatever you need—professional tools and fun features, all in one app.
Swipe to explore features

Create & Edit Images
with AI
Generate stunning visuals and edit existing images using the world's leading AI models—OpenAI's GPT-Image and Google's Gemini 3 Pro. Simply describe what you want, and let the AI bring your vision to life.
Dual AI Models
Access both GPT-Image and Gemini 3 Pro Image
Professional Editing
Edit existing images with AI—add objects, transform scenes
4K Resolution
Generate images up to 4096×4096 pixels
Reference Images
Upload images as reference for product shots & social content
Work-Ready Output
Perfect for reports, infographics, presentations, pitch decks
Two leading image models. One subscription. Less than the price of one.
Chunk Remembers
What Matters to You
Memory automatically learns your preferences, interests, and important details from your conversations—making every interaction more personalized and helpful over time.


Safari Integration
Share articles directly
Organize Your
Research Workspace
Organize conversations, web content, and documents into intelligent research workspaces. Share articles from Safari and they'll be automatically summarized and ready for Chunk to analyze.
AI That Respects You
While other AI apps add advertising and harvest your data, we believe your privacy isn't a feature — it's a right.
No Ads. Ever.
We make money from subscriptions, not advertising. Your attention is yours.
Your Data Stays Yours
We never sell your data to third parties or advertisers. Period.
No AI Training
Your searches, documents, and conversations are never used to train AI models.
Privacy by Design
End-to-end encryption for your documents. We can't read them even if we wanted to.
Read our full Privacy Policy — written in plain English, not lawyer-speak.
Frequently Asked Questions
Everything you need to know about Chunk
Chunk is an AI-powered research assistant that gives you access to multiple AI models including GPT-5.2, Claude Opus 4.6, and Gemini 3 Pro — all in one app. Perfect for homework help, academic research, document analysis, image generation, and more.
Chunk supports GPT-5 Mini (free), GPT-5.2, Claude Sonnet 4.5, Claude Opus 4.6, Gemini 3, and Gemini 3 Pro. Pro subscribers can switch between all models to get the best results for each task.
ChatGPT Plus, Claude Pro, and Gemini Advanced each cost $20/month — and only give you one AI model. Chunk Pro costs $9.99/month (or $5.83/month billed yearly) and gives you access to ALL of those models. That's over 90% savings compared to subscribing to each separately.
Yes! Chunk offers 5 messages per day with no credit card required. You can try all AI models and features before deciding to upgrade to Pro.
Absolutely. Chunk is designed as the perfect study companion. It can help with homework, essay writing, research papers, citation assistance (APA, MLA, Chicago, Harvard), and understanding complex topics. The Deep Research feature can generate full research reports with sources.
Upload PDFs, DOC/DOCX, TXT, CSV, EPUB, XLSX, and more (up to 10MB). Chunk indexes your documents so you can ask questions, get summaries, and extract key information using any AI model.
Yes! Chunk can generate images directly in chat using GPT-5.2 and Gemini 3 Pro. Free users get 5 image generations per day, and Pro users get 20.
Chunk is available on iPhone, iPad, Mac, Vision Pro, and the web at chunkapp.com. Your conversations, documents, notes, and memories sync across all devices.






