Research plans built for how you work
From quick literature searches to full molecular design workflows. Every tier includes access to Zeta's recursive AI research engine and curated medical databases.
Free
Get started with medical research AI
40/day credits
300 on signup, 40 daily allowance
- Explorer + Investigator modes
- PubMed, ORPHANET, NCI, HPO, OLS search
- Rare cancer knowledge base
- Clinical trials database
- 3 saved conversations
- Reporter mode
- Cheminformatics tools
- BBB permeability prediction
- Ether0 molecular design AI
Academic
For students and faculty researchers
800/mo credits
For students, faculty, and independent researchers
- Everything in Free
- Investigator mode (6-depth research)
- Cheminformatics suite
- Document library full-text search
- Unlimited conversation history
- PDF export (5/month)
- Reporter mode
- BBB permeability prediction
- Ether0 molecular design AI
Professional
Full platform access for drug developers
4,000/mo credits
All tools, all modes, maximum depth
- Everything in Academic
- Investigator mode (10-depth research)
- Reporter mode (research synthesis)
- BBB permeability prediction (94.1% accuracy)
- Ether0 molecular design AI
- Unlimited PDF exports
- Document library upload + search
- Priority processing queue
Enterprise
Custom deployment for pharma and biotech teams. SSO/SAML, HIPAA BAA, extended recursion depth, private document libraries, custom tool integrations, and dedicated support with SLA.
How credits work
Credits are consumed based on the complexity of each query -- the AI model tokens used, the number of research tools called, and the depth of recursive investigation. A simple Explorer question uses ~8 credits. A deep Investigator session with molecular analysis may use 30-50.
~8
Explorer query
Quick literature search
~12
Investigator session
Multi-round deep research
~25
Molecular analysis
Ether0 + BBB prediction