Definely vs GC AI
Definely
definely.comGC AI
gc.aiSide by side
| Figure | Definely | GC AI |
|---|---|---|
| Price from | — | $500/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| API | — | Yes |
| Plans published | 1 | 2 |
| Spec score · AI Contract Review Software | 8.5 (#3) | 8.2 (#7) |
| Audience | Definely says its products are used by law firms and in-house legal teams around the world. | The company describes GC AI as designed for generalist in-house lawyers handling a wide variety of contracts and says specialized practices may be better served by other platforms. |
| Founded | 2017 | 2023 |
| Headquarters | London, UK | San Francisco, California, United States |
| Integrations | The product pages show Microsoft Word, iManage, NetDocuments, and SharePoint; Vault connects to a document management system to search its repository. | Agent Connectors connect more than 20 apps, including Gmail, Outlook, Slack, Drive, and HubSpot, to GC AI. |
| Purpose | Definely provides AI-powered tools for lawyers to create, draft, and review complex contracts in Word. | GC AI is an AI platform purpose-built for in-house lawyers and legal teams to ask questions about documents or links and get answers and drafts. |
| Security | The Trust Centre lists ISO/IEC 27001:2022, SOC 2 Type 2, GDPR, and ISO/IEC 42001:2023 among its compliance items. | GC AI says data is encrypted at rest with AES-256 and in transit via TLS 1.2+, isolated between customers, and not used by model providers to train their models. |
| Support | The company offers a Help Center and says enterprise customers can receive dedicated support to maximize adoption. | Individual includes Slack community and office hours; Team includes Solutions Attorney support and onboarding and enablement support. |
Plans
In their own words
Definely
Definely is a suite of AI tools for lawyers creating, drafting, and reviewing complex contracts in Word. Read surfaces defined terms and cross-references for editing in context, and can list defined, undefined, and unused terms in a Definitions Report. Proof flags incomplete information, inconsistent formatting, and spacing issues. Cascade identifies clauses, definitions, and references that may be affected by contract changes. Enhance lets users ask questions about contracts in natural language and cites relevant clauses and definitions. Vault connects to a document management system to search for and reuse precedent clauses and provisions. Workflow integrations shown include Microsoft Word, iManage, NetDocuments, and SharePoint. Definely runs on macOS, Windows, and the web, and supports Microsoft Word and PDF. Draft and Proof currently work in English and Swedish; the maker says other document languages are not currently supported. Pricing is available on request, and Mac users can start a free 14-day trial. The company offers a Help Center, while enterprise customers may receive dedicated support. Its Trust Centre lists security and compliance items including ISO/IEC 27001:2022, SOC 2 Type 2, GDPR, ISO/IEC 42001:2023, and Cyber Essentials.
GC AI
GC AI is an AI platform for in-house lawyers and legal teams to ask questions about documents or links and produce answers and drafts. Its Word add-in supports drafting, reviewing, editing, and redlining clauses or full contracts in Microsoft Word. Exact Quote and clickable citations help users check legal analysis against source text, while real-time research draws on official sources, including more than 13 million US court opinions. Users can attach and chain skills from the Skill Library or create them through chat with Skill Creator. Agent Connectors link more than 20 apps, including Gmail, Outlook, Slack, Drive, and HubSpot. The Individual plan includes unlimited chats and skills, the Word add-in, Easy Edit, and Agent Connectors; US Case Law is an add-on. Individual costs $500 a month, billed monthly, with a yearly option whose price is not shown. Team pricing is on request and billed yearly; it adds Enterprise SSO, team skills, shared chats, US Case Law, and support. REST API use is billed separately in credits.