agent · ai-research-agents
CoCounsel vs Lexis+ with Protégé
55 fields both were evaluated on, 29 of them different — including where one discloses something the other does not. Every value links to the document it came from. 26 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | CoCounsel | Lexis+ with Protégé |
|---|---|---|
| Audit trail· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “Results from Protégé Vault are retained for 90 days under "My Conversations" history.”www.lexisnexis.com · checked Aug 1, 2026 |
| Explainability· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
| Runtime governance· | “We have developed and implemented prompting "guardrails," ensuring our GenAI-based products will only produce responses from content drawn from a clearly defined and limited set of verified information, such as our own content databases. This practice restricts the large language model's ability to produce potentially objectionable content broadly sourced from the internet.”www.thomsonreuters.com · checked Aug 1, 2026 | no public information www.lexisnexis.com · checked Sep 2, 2026 |
| Permission scopes· | “Retention of user content and prompts is customized to fit customer needs and set up at the organization account level with the support of a Thomson Reuters client manager.”www.thomsonreuters.com · checked Aug 1, 2026 | no public information www.lexisnexis.com · checked Aug 1, 2026 |
| Compliance certifications· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | 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· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “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 | CoCounsel | Lexis+ with Protégé |
|---|---|---|
| Human oversight· | “Fiduciary‑Grade AI is designed to support human judgment, not replace it. Professionals remain responsible for the advice they give, the decisions they make, and the work they sign off on.”www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
| Goal complexity· | “Accelerate legal, tax, audit, compliance, and drafting work with purpose-built AI grounded in authority, transparency, and trust”www.thomsonreuters.com · checked Aug 1, 2026 | 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 |
| Action space· | “Connected to the tools you already use, including Westlaw, Practical Law, Checkpoint, Microsoft 365, and document management system partners”www.thomsonreuters.com · checked Aug 1, 2026 | “Draft and refine transactional agreements and contracts, as well as litigation motions, briefs, complaints, and client communications.”www.lexisnexis.com · checked Aug 1, 2026 |
| Operating environment· | “Connected to the tools you already use, including Westlaw, Practical Law, Checkpoint, Microsoft 365, and document management system partners”www.thomsonreuters.com · checked Aug 1, 2026 | “Integrate advanced AI with authoritative, exclusive LexisNexis sources and your organization’s documents in one workspace.”www.lexisnexis.com · checked Aug 1, 2026 |
| Initiative· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “Protégé will also suggest tasks based on the documents uploaded to the Vault, further guiding your work.”www.lexisnexis.com · checked Aug 1, 2026 |
Safety
| Field | CoCounsel | Lexis+ with Protégé |
|---|---|---|
| Safety evaluations· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
| Safety policy· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
| Usage restrictions· | “CoCounsel is not a replacement for outside counsel when the stakes are high”www.thomsonreuters.com · checked Aug 1, 2026 | no public information www.lexisnexis.com · checked Aug 1, 2026 |
| Data handling· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | 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 |
Practicality
| Field | CoCounsel | Lexis+ with Protégé |
|---|---|---|
| Pricing model· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
| Availability· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | |
| Deployment options· | “We process all interactions with OpenAI GPT and Google Gemini in the U.S. We host backup data in separate availability time zones in the U.S.* *Region-based hosting is available in the UK, Australia, and Canada.”www.thomsonreuters.com · checked Aug 1, 2026 | |
| Integrations· | “Connected to the tools you already use, including Westlaw, Practical Law, Checkpoint, Microsoft 365, and document management system partners”www.thomsonreuters.com · checked Aug 1, 2026 | “Connect to iManage, SharePoint, NetDocuments, and other DMS platforms”www.lexisnexis.com · checked Aug 1, 2026 |
| Supported regions· | “Region-based hosting is available in the UK, Australia, and Canada.”www.thomsonreuters.com · checked Aug 1, 2026 | no public information www.lexisnexis.com · checked Aug 1, 2026 |
Foundation models
| Field | CoCounsel | Lexis+ with Protégé |
|---|---|---|
| Base models· | “We process all interactions with OpenAI GPT and Google Gemini in the U.S.”www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
| Model provider· | “We process all interactions with OpenAI GPT and Google Gemini in the U.S.”www.thomsonreuters.com · checked Aug 1, 2026 | “Protégé General AI includes access to large language models from OpenAI, Google, and Anthropic.”www.lexisnexis.com · checked Aug 1, 2026 |
| Fine-tuning· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
Ecosystem
| Field | CoCounsel | Lexis+ with Protégé |
|---|---|---|
| Protocols supported· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | |
| Tool use· | “Connected to the tools you already use, including Westlaw, Practical Law, Checkpoint, Microsoft 365, and document management system partners”www.thomsonreuters.com · checked Aug 1, 2026 | 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 |
| API access· | no public information www.thomsonreuters.com · checked Aug 1, 2026 |
Impact
| Field | CoCounsel | Lexis+ with Protégé |
|---|---|---|
| User base· | no public information www.thomsonreuters.com · checked Aug 1, 2026 | |
| Target sectors· | “Legal professionals Tax professionals Audit professionals Accounting professionals”www.thomsonreuters.com · checked Aug 1, 2026 | “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 |
| High-risk domains· | “Fiduciary‑Grade AI is designed for professional work where outputs may influence legal judgments, financial disclosures, regulatory filings, compliance decisions, or client advice.”www.thomsonreuters.com · checked Aug 1, 2026 | “Legal work requires authority and accountability.”www.lexisnexis.com · checked Aug 1, 2026 |
Disclosed by neither
Both CoCounsel and Lexis+ with Protégé publish nothing on these 26 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 26 identical table rows. Each is shown with its source check on the individual profiles.
- Autonomy level
- Deployment scale
- Documented incidents
- Price point
- Support model
- Model swappable
- Open weights
- Context window
- Multi-agent
- Open source
- Marketplace presence
- Red teaming
- Model or system card
- Incident reporting
- Third-party evaluations
- Insurance available
- Insurance carriers
- Coverage limits
- Indemnification
- Liability cap
- Tamper-evident log
- Outcome-based pricing
- Settlement mechanism
- Dispute process
- SLA terms
- Evaluation coverage
Questions
- How do CoCounsel and Lexis+ with Protégé compare on data handling?
- CoCounsel: no public information disclosed. Lexis+ with Protégé: States it never uses customer data to train its models..
- How do CoCounsel and Lexis+ with Protégé compare on compliance certifications?
- CoCounsel: no public information disclosed. Lexis+ with Protégé: 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)..