Lexis+ with Protégé vs Spellbook
55 fields both were evaluated on, 28 of them different — including where one discloses something the other does not. Every value links to the document it came from. 27 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | Lexis+ with Protégé | Spellbook |
|---|---|---|
| Audit trail· | “Results from Protégé Vault are retained for 90 days under "My Conversations" history.”www.lexisnexis.com · 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· | “Responsibly developed AI LexisNexis follows the RELX Responsible AI Framework to ensure our AI protects privacy, is transparent and explainable, avoids unfair bias, includes human oversight, and is designed for real-world impact.”www.lexisnexis.com · checked Aug 1, 2026 | |
| Compliance certifications· | SOC 2 Type 2, SOC 2 Type 1, SOC 3, ISO 14001:2015, CCPA, GDPR, HIPAA, and ISO/IEC 27001 among certifications listed, per the vendor's trust center (additional items listed include ISO 9001:2015, NIST CSF, ISO 22301:2019, WCAG, Cyber Essentials, SOC 1 Type 2, and ISAE 3402). “SOC 2 Type 2 SOC 2 Type 1 SOC 3 ISO 14001:2015 CCPA GDPR HIPAA ISO/IEC 27001 ISO/IEC 27001 SoA ISO 9001:2015 NIST CSF VPAT ISO 22301:2019 WCAG Cyber Essentials SOC 1 Type 2 ISAE 3402 ISO 14001”trust.lexisnexis.com · checked Sep 5, 2026 Not in our latest capture. We captured this page again on Sep 12, 2026 and this quote was not there. How we re-check citations | |
| Regulatory alignment· | “LexisNexis follows the RELX Responsible AI Framework to ensure our AI protects privacy, is transparent and explainable, avoids unfair bias, includes human oversight, and is designed for real-world impact.”www.lexisnexis.com · checked Aug 1, 2026 |
Agency
| Field | Lexis+ with Protégé | Spellbook |
|---|---|---|
| Human oversight· | “Responsibly developed AI with expert human oversight: AI development follows the RELX Responsible AI Principles, with human expertise embedded throughout design and improvement processes.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Goal complexity· | Legal work flows connected from research and analysis through drafting and review in one AI-powered experience “Move seamlessly from research and analysis to drafting and review in a connected AI-powered experience.”www.lexisnexis.com · checked Sep 2, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Action space· | “Draft and refine transactional agreements and contracts, as well as litigation motions, briefs, complaints, and client communications.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Operating environment· | “Integrate advanced AI with authoritative, exclusive LexisNexis sources and your organization’s documents in one workspace.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Initiative· | “Protégé will also suggest tasks based on the documents uploaded to the Vault, further guiding your work.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
Safety
| Field | Lexis+ with Protégé | Spellbook |
|---|---|---|
| Safety evaluations· | “Responsibly developed AI LexisNexis follows the RELX Responsible AI Framework to ensure our AI protects privacy, is transparent and explainable, avoids unfair bias, includes human oversight, and is designed for real-world impact.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Safety policy· | “Responsibly developed AI LexisNexis follows the RELX Responsible AI Framework to ensure our AI protects privacy, is transparent and explainable, avoids unfair bias, includes human oversight, and is designed for real-world impact.”www.lexisnexis.com · 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· | States it never uses customer data to train its models. “We pride ourselves on never using customer data to train our models.”trust.lexisnexis.com · checked Sep 5, 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 | Lexis+ with Protégé | Spellbook |
|---|---|---|
| Pricing model· | “Lexis+ with Protégé pricing varies based on factors such as the size of your organization, specific capabilities required, and the scope of content access.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| 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 | |
| Integrations· | “Connect to iManage, SharePoint, NetDocuments, and other DMS platforms”www.lexisnexis.com · checked Aug 1, 2026 | email, Slack, Salesforce “New contracts come in from email, Slack, Salesforce”spellbook.com · checked Aug 6, 2026 |
| Supported regions· | no public information www.lexisnexis.com · checked Aug 1, 2026 | 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 | Lexis+ with Protégé | Spellbook |
|---|---|---|
| Base models· | “Protégé Legal AI is optimized for legal accuracy and blends multiple LLMs from leading providers for the best legal use-case.”www.lexisnexis.com · 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 |
| Model provider· | “Protégé General AI includes access to large language models from OpenAI, Google, and Anthropic.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Fine-tuning· | “More than 2,000 technologists, data scientists, and subject matter experts develop, fine-tune, and validate our AI solutions.”www.lexisnexis.com · checked Aug 1, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
Ecosystem
| Field | Lexis+ with Protégé | Spellbook |
|---|---|---|
| Protocols supported· | no public information spellbook.com · checked Aug 6, 2026 | |
| Tool use· | Connects to iManage, SharePoint, NetDocuments and other document management systems “Connect to iManage, SharePoint, NetDocuments, and other DMS platforms to ask and draft from your organization’s knowledge.”www.lexisnexis.com · checked Sep 2, 2026 | no public information spellbook.com · checked Aug 6, 2026 |
| Multi-agent· | no public information www.lexisnexis.com · checked Sep 2, 2026 | “Associate The AI agent for multi-document drafting and review”spellbook.com · checked Aug 6, 2026 |
| API access· | no public information spellbook.com · checked Aug 6, 2026 |
Impact
| Field | Lexis+ with Protégé | Spellbook |
|---|---|---|
| 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· | no public information www.lexisnexis.com · checked Aug 1, 2026 | “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· | “Lexis+ with Protégé helps legal professionals across the public, private, and academic sectors accelerate and enhance their work.”www.lexisnexis.com · checked Aug 1, 2026 | in-house teams and law firms “Designed for in-house teams and law firms”spellbook.com · checked Aug 6, 2026 |
| High-risk domains· | “Legal work requires authority and accountability.”www.lexisnexis.com · 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 Lexis+ with Protégé and Spellbook publish nothing on these 27 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 27 identical table rows. Each is shown with its source check on the individual profiles.
- Autonomy level
- Documented incidents
- Price point
- Support model
- Model swappable
- Open weights
- Context window
- Open source
- Marketplace presence
- 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
- Permission scopes
- Outcome-based pricing
- Settlement mechanism
- Dispute process
- SLA terms
- Evaluation coverage
Questions
- How do Lexis+ with Protégé and Spellbook compare on goal complexity?
- Lexis+ with Protégé: Legal work flows connected from research and analysis through drafting and review in one AI-powered experience. Spellbook: no public information disclosed.
- How do Lexis+ with Protégé and Spellbook compare on supported regions?
- Lexis+ with Protégé: no public information disclosed. Spellbook: 80+ countries. We comply with GDPR, CCPA, PIPEDA and numerous other privacy standards..
- How do Lexis+ with Protégé and Spellbook compare on tool use?
- Lexis+ with Protégé: Connects to iManage, SharePoint, NetDocuments and other document management systems. Spellbook: no public information disclosed.