agent · ai-research-agents
Rayyan vs Spellbook
55 fields both were evaluated on, 19 of them different — including where one discloses something the other does not. Every value links to the document it came from. 36 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | Rayyan | Spellbook |
|---|---|---|
| Audit trail· | Every decision is fully traceable, ensuring defensible, inspection-ready reviews at any stage. “Auditability Every decision is fully traceable, ensuring defensible, inspection-ready reviews at any stage.”rayyan.ai · checked Aug 1, 2026 | audit controls “Plus we have the SSO, MFA, encryption, and audit controls your security team will ask about.”spellbook.com · checked Aug 6, 2026 |
| Explainability· | From inclusion criteria to final outputs, every action is visible, shared, and accountable across teams. “Transparency From inclusion criteria to final outputs, every action is visible, shared, and accountable across teams.”rayyan.ai · checked Aug 1, 2026 | |
| Permission scopes· | Add team members Assign roles Enable shared access “Invite Collaborators Add team members Assign roles Enable shared access”rayyan.ai · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Compliance certifications· | no public information rayyan.ai · checked Aug 1, 2026 | |
| Regulatory alignment· | no public information rayyan.ai · checked Aug 1, 2026 |
Safety
| Field | Rayyan | Spellbook |
|---|---|---|
| Safety policy· | no public information rayyan.ai · checked Aug 1, 2026 | “Zero data retention means our LLM providers never learn from, train on, or store your data. Plus we have the SSO, MFA, encryption, and audit controls your security team will ask about.”spellbook.com · checked Aug 6, 2026 |
| Data handling· | no public information rayyan.ai · checked Aug 1, 2026 | “Zero data retention means our LLM providers never learn from, train on, or store your data.”spellbook.com · checked Aug 6, 2026 |
Practicality
| Field | Rayyan | Spellbook |
|---|---|---|
| Pricing model· | no public information spellbook.com · checked Aug 6, 2026 | |
| Price point· | no public information spellbook.com · checked Aug 6, 2026 | |
| Availability· | no public information rayyan.ai · checked Aug 1, 2026 | |
| Deployment options· | no public information rayyan.ai · checked Aug 1, 2026 | Works inside Word and Google Docs, in addition to a standalone product. “Works in Word and Google Docs”spellbook.com · checked Aug 26, 2026 |
| Integrations· | no public information rayyan.ai · checked Aug 1, 2026 | email, Slack, Salesforce “New contracts come in from email, Slack, Salesforce”spellbook.com · checked Aug 6, 2026 |
| Supported regions· | 80+ countries. We comply with GDPR, CCPA, PIPEDA and numerous other privacy standards. “We serve 4,500 teams in 80+ countries. We comply with GDPR, CCPA, PIPEDA and numerous other privacy standards.”spellbook.com · checked Aug 6, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations |
Foundation models
| Field | Rayyan | Spellbook |
|---|---|---|
| Base models· | no public information rayyan.ai · checked Aug 1, 2026 | GPT5 and Opus “tuned for commercial legal work, and powered by state-of-the-art LLMs like GPT5 and Opus.”spellbook.com · checked Aug 6, 2026 |
Ecosystem
| Field | Rayyan | Spellbook |
|---|---|---|
| Multi-agent· | no public information rayyan.ai · checked Aug 1, 2026 | “Associate The AI agent for multi-document drafting and review”spellbook.com · checked Aug 6, 2026 |
Impact
| Field | Rayyan | Spellbook |
|---|---|---|
| User base· | 1 million+ researchers at 20,000+ institutions across 190+ countries “Trusted by 1 million+ researchers at 20,000+ institutions across 190+ countries.”rayyan.ai · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 2, 2026 and this quote was not there. How we re-check citations | 4,500+ legal teams “Trusted by 4,500+ legal teams”spellbook.com · checked Aug 6, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations |
| Deployment scale· | “Trusted by 1 million+ researchers at 20,000+ institutions across 190+ countries.”rayyan.ai · checked Aug 1, 2026 Not in our latest capture. We captured this page again on Sep 2, 2026 and this quote was not there. How we re-check citations | “We serve 4,500 teams in 80+ countries.”spellbook.com · checked Aug 6, 2026 Not in our latest capture. We captured this page again on Sep 16, 2026 and this quote was not there. How we re-check citations |
| Target sectors· | in-house teams and law firms “Designed for in-house teams and law firms”spellbook.com · checked Aug 6, 2026 | |
| High-risk domains· | no public information rayyan.ai · checked Aug 1, 2026 | in-house teams and law firms “Designed for in-house teams and law firms”spellbook.com · checked Aug 6, 2026 |
Disclosed by neither
Both Rayyan and Spellbook publish nothing on these 36 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 36 identical table rows. Each is shown with its source check on the individual profiles.
- Autonomy level
- Human oversight
- Goal complexity
- Action space
- Operating environment
- Initiative
- Documented incidents
- Support model
- Model provider
- Model swappable
- Open weights
- Fine-tuning
- Context window
- Protocols supported
- Tool use
- API access
- Open source
- Marketplace presence
- Safety evaluations
- Red teaming
- Usage restrictions
- Model or system card
- Incident reporting
- Third-party evaluations
- Insurance available
- Insurance carriers
- Coverage limits
- Indemnification
- Liability cap
- Tamper-evident log
- Runtime governance
- Outcome-based pricing
- Settlement mechanism
- Dispute process
- SLA terms
- Evaluation coverage
Questions
- How do Rayyan and Spellbook compare on user base?
- Rayyan: 1 million+ researchers at 20,000+ institutions across 190+ countries. Spellbook: 4,500+ legal teams.
- How do Rayyan and Spellbook compare on high-risk domains?
- Rayyan: no public information disclosed. Spellbook: in-house teams and law firms.
- How do Rayyan and Spellbook compare on deployment options?
- Rayyan: no public information disclosed. Spellbook: Works inside Word and Google Docs, in addition to a standalone product..
- How do Rayyan and Spellbook compare on integrations?
- Rayyan: no public information disclosed. Spellbook: email, Slack, Salesforce.
- How do Rayyan and Spellbook compare on supported regions?
- Rayyan: 190+ countries. Spellbook: 80+ countries. We comply with GDPR, CCPA, PIPEDA and numerous other privacy standards..
- How do Rayyan and Spellbook compare on base models?
- Rayyan: no public information disclosed. Spellbook: GPT5 and Opus.