Ask your documents anything — get answers you can verify.
ThinkDesk is an AI knowledge workspace: search your documents with real citations, research across your whole knowledge base, and let AI agents take approved actions — never guessed, never unsupervised.
No credit card required · Free plan available forever
A complete AI knowledge platform
Not just “chat with your PDF” — retrieval, intelligence, agents, and automation, all grounded in your own data.
Real citations, every time
Every answer is built directly from the documents that were actually retrieved — never parsed out of what the model claims. Click through to the exact page.
Hybrid retrieval
Vector search and keyword (BM25) search run together and get fused with reciprocal rank fusion, so exact terms and paraphrased questions both work.
AI agents you actually control
Ask the agent to draft a summary from Gmail or a document — nothing reaches Slack until you review and explicitly approve it.
Automation that proposes, not acts
Save a rule once, run it whenever you like. It only ever queues a draft for your approval — automation without giving up control.
Connects to the tools you use
Gmail, Slack, and Notion — read your own data in, act only with your explicit sign-off.
Workspace-isolated by design
Every team gets its own workspace with role-based access. Authorization is enforced before any document is ever touched — never left to the model to decide.
How it works
Step 1
Upload your documents
Drop in a PDF. It's extracted, chunked, and embedded automatically in the background.
Step 2
Ask a question
Ask in plain language. ThinkDesk retrieves the most relevant passages across your knowledge base.
Step 3
Get a cited answer
Read a grounded answer with links back to the exact source passages it came from.
Simple, honest pricing
Start free. Upgrade only when you actually need more room.
Free
$0forever
Everything you need to try ThinkDesk for real, on your own documents.
- Up to 3 documents
- Up to 50 chat messages
- Hybrid search + citations
- Research mode
- Gmail, Slack & Notion connectors
Pro
$9.99/ month
For teams putting ThinkDesk into daily use.
- Unlimited documents
- Unlimited chat messages
- AI agent actions & automation rules
- Document comparison & reports
- Priority support
Stop searching. Start asking.
Create a free workspace and upload your first document in under a minute.