agent · ai-research-agents
Spellbook vs Tavily
55 fields both were evaluated on, 26 of them different — including where one discloses something the other does not. Every value links to the document it came from. 29 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | Spellbook | Tavily |
|---|---|---|
| Audit trail· | audit controls “Plus we have the SSO, MFA, encryption, and audit controls your security team will ask about.”spellbook.com · checked Aug 6, 2026 | no public information tavily.com · checked Aug 7, 2026 |
| Explainability· | no public information tavily.com · checked Aug 7, 2026 | |
| Runtime governance· | no public information spellbook.com · checked Aug 6, 2026 | “Requests pass through security, privacy, and content validation layers that block PII leakage, prompt injection, and malicious sources.”tavily.com · checked Aug 7, 2026 |
| Compliance certifications· | no public information tavily.com · checked Aug 7, 2026 | |
| Regulatory alignment· | no public information tavily.com · checked Aug 7, 2026 | |
| SLA terms· | no public information spellbook.com · checked Aug 6, 2026 | “99.99% uptime SLA powering mission-critical systems”tavily.com · checked Aug 7, 2026 |
| Evaluation coverage· | no public information spellbook.com · checked Aug 6, 2026 | Benchmarks named on the vendor's own page: SealQA, SimpleQA Verified, Document Relevance, DeepResearch Bench, GAIA and Leetcode 75. Results are vendor-run and vendor-published. “SealQA SealQA SimpleQA Verified SimpleQA Verified Document Relevance Document Relevance DeepResearch Bench DeepResearch Bench GAIA GAIA Leetcode 75 Leetcode 75”tavily.com · checked Sep 9, 2026 |
Agency
| Field | Spellbook | Tavily |
|---|---|---|
| Action space· | no public information spellbook.com · checked Aug 6, 2026 | |
| Operating environment· | no public information spellbook.com · checked Aug 6, 2026 |
Safety
| Field | Spellbook | Tavily |
|---|---|---|
| Safety policy· | “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 | “Requests pass through security, privacy, and content validation layers that block PII leakage, prompt injection, and malicious sources.”tavily.com · checked Aug 7, 2026 |
| Data handling· | “Zero data retention means our LLM providers never learn from, train on, or store your data.”spellbook.com · checked Aug 6, 2026 | “Requests pass through security, privacy, and content validation layers that block PII leakage, prompt injection, and malicious sources.”tavily.com · checked Aug 7, 2026 |
Practicality
| Field | Spellbook | Tavily |
|---|---|---|
| Availability· | ||
| Deployment options· | Works inside Word and Google Docs, in addition to a standalone product. “Works in Word and Google Docs”spellbook.com · checked Aug 26, 2026 | “Drop-in integration with leading LLM providers (OpenAI, Anthropic, Groq)”tavily.com · checked Aug 7, 2026 |
| Integrations· | email, Slack, Salesforce “New contracts come in from email, Slack, Salesforce”spellbook.com · checked Aug 6, 2026 | “Drop-in integration with leading LLM providers (OpenAI, Anthropic, Groq)”tavily.com · checked Aug 7, 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 | no public information tavily.com · checked Aug 7, 2026 |
Foundation models
| Field | Spellbook | Tavily |
|---|---|---|
| Base models· | 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 | |
| Model provider· | no public information spellbook.com · checked Aug 6, 2026 | “Drop-in integration with leading LLM providers (OpenAI, Anthropic, Groq)”tavily.com · checked Aug 7, 2026 |
Ecosystem
| Field | Spellbook | Tavily |
|---|---|---|
| Protocols supported· | no public information spellbook.com · checked Aug 6, 2026 | “Nebius Databricks Partners with Tavily on MCP Marketplace”tavily.com · checked Aug 7, 2026 |
| Tool use· | no public information spellbook.com · checked Aug 6, 2026 | |
| Multi-agent· | “Associate The AI agent for multi-document drafting and review”spellbook.com · checked Aug 6, 2026 | no public information tavily.com · checked Aug 7, 2026 |
| API access· | no public information spellbook.com · checked Aug 6, 2026 | |
| Marketplace presence· | no public information spellbook.com · checked Aug 6, 2026 | “Nebius Databricks Partners with Tavily on MCP Marketplace”tavily.com · checked Aug 7, 2026 |
Impact
| Field | Spellbook | Tavily |
|---|---|---|
| User base· | 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· | “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· | in-house teams and law firms “Designed for in-house teams and law firms”spellbook.com · checked Aug 6, 2026 | no public information tavily.com · checked Aug 7, 2026 |
Disclosed by neither
Both Spellbook and Tavily publish nothing on these 29 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 29 identical table rows. Each is shown with its source check on the individual profiles.
- Autonomy level
- Human oversight
- Goal complexity
- Initiative
- Documented incidents
- Pricing model
- Price point
- Support model
- Model swappable
- Open weights
- Fine-tuning
- Context window
- Open source
- 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
- Permission scopes
- Outcome-based pricing
- Settlement mechanism
- Dispute process
Questions
- How do Spellbook and Tavily compare on high-risk domains?
- Spellbook: in-house teams and law firms. Tavily: no public information disclosed.
- How do Spellbook and Tavily compare on supported regions?
- Spellbook: 80+ countries. We comply with GDPR, CCPA, PIPEDA and numerous other privacy standards.. Tavily: no public information disclosed.
- How do Spellbook and Tavily compare on audit trail?
- Spellbook: audit controls. Tavily: no public information disclosed.
- How do Spellbook and Tavily compare on evaluation coverage?
- Spellbook: no public information disclosed. Tavily: Benchmarks named on the vendor's own page: SealQA, SimpleQA Verified, Document Relevance, DeepResearch Bench, GAIA and Leetcode 75. Results are vendor-run and vendor-published..