Microsoft Copilot 365
Microsoft
EnterpriseHarvey
Harvey AI
PaidMicrosoft Copilot 365 vs Harvey: Full Comparison (2026)
Microsoft Copilot 365 is ai assistant embedded across the microsoft 365 suite. Harvey is the domain-specific generative ai platform for legal and professional services. Use the breakdown below to find the right fit for your needs.
This page presents factual information sourced from publicly available vendor documentation and product pages. AIHub does not endorse either product. The right tool depends on your specific use case, team, and requirements — we recommend evaluating both tools directly before making a decision.
Side-by-Side Overview
Pricing Model
Microsoft Copilot 365
EnterpriseHarvey
PaidAPI Access
Microsoft Copilot 365
AvailableHarvey
AvailablePlatforms
Microsoft Copilot 365
Word, Excel, PowerPoint, Outlook, Teams, SharePoint, Loop, OneNote, Planner, Windows 11 (Copilot+)Harvey
Web, API, Microsoft Word / Office integrationIntegrations
Microsoft Copilot 365
6 integrationsHarvey
5 integrationsVendor
Microsoft Copilot 365
MicrosoftHarvey
Harvey AICategory
Microsoft Copilot 365
ProductivityHarvey
ProductivityLaunch
Microsoft Copilot 365
Nov 1, 2023Harvey
2022 (founded); 2023 (enterprise rollout)Models
Microsoft Copilot 365
GPT-4.1, o3Harvey
OpenAI GPT-4 class models, Anthropic Claude| Feature | Microsoft Copilot 365 | Harvey |
|---|---|---|
| Pricing Model | Enterprise | Paid |
| API Access | Available | Available |
| Platforms | Word, Excel, PowerPoint, Outlook, Teams, SharePoint, Loop, OneNote, Planner, Windows 11 (Copilot+) | Web, API, Microsoft Word / Office integration |
| Integrations | 6 integrations | 5 integrations |
| Vendor | Microsoft | Harvey AI |
| Category | Productivity | Productivity |
| Launch | Nov 1, 2023 | 2022 (founded); 2023 (enterprise rollout) |
| Models | GPT-4.1, o3 | OpenAI GPT-4 class models, Anthropic Claude |
About Microsoft Copilot 365
Microsoft 365 Copilot integrates GPT-4 into Word, Excel, PowerPoint, Outlook, and Teams. Automates document creation, data analysis, email drafting, and meeting summaries.
Designed For
- Document creation
- Data analysis in Excel
- Email drafting
- Meeting summarization
About Harvey
Harvey is an enterprise AI platform built specifically for law firms, legal departments, and professional-services organizations. It combines frontier LLMs with legal-domain workflows to handle contract analysis, legal research, due diligence, drafting, and litigation support — grounded in a firm's own documents and case law. Harvey is used by many of the world's largest law firms and is one of the fastest-growing vertical AI companies.
Designed For
- Legal research
- Contract review & analysis
- Due diligence
- Document drafting
Strengths & Limitations
Microsoft Copilot 365
Strengths
- Deep M365 integration
- Enterprise security
- Works in existing tools
Limitations
- $30/user/month
- Requires M365 subscription
- Enterprise only
Harvey
Strengths
- Purpose-built for legal workflows
- Grounded in firm's own documents
- Used by top global law firms
- Strong security & confidentiality
- Custom workflow agents
Limitations
- Expensive enterprise-only pricing
- No self-serve/consumer tier
- Requires implementation effort
- Narrow to legal/professional services
Frequently Asked Questions
What is the difference between Microsoft Copilot 365 and Harvey?
Microsoft Copilot 365 is ai assistant embedded across the microsoft 365 suite, while Harvey is the domain-specific generative ai platform for legal and professional services. Microsoft Copilot 365 is designed for Enterprise Microsoft 365 users, Finance teams; Harvey is designed for Law firms, In-house legal teams. The right fit depends on your specific requirements.
How do the pricing models compare?
Microsoft Copilot 365 is available under a Enterprise model. Harvey is available under a Paid model. Microsoft Copilot 365's entry tier starts at $30/user/mo. Harvey's entry tier starts at Custom. Always verify pricing on each vendor's official website as it may change.
What integrations does each tool support?
Microsoft Copilot 365 integrates with Microsoft 365 ecosystem, Azure AD/Entra ID, Salesforce (Copilot connector), ServiceNow. Harvey integrates with Microsoft Word, iManage, SharePoint, Legal DMS systems. Check each vendor's documentation for the full and current list.
How do I choose between Microsoft Copilot 365 and Harvey?
Consider your team's technical requirements, budget, existing tooling, and use case before deciding. We recommend signing up for free trials or demos of both tools where available, and consulting each vendor's documentation. AIHub provides this comparison for informational purposes only.
Feature Snapshot
Explore Further
Microsoft Copilot 365 full detailsHarvey full detailsMicrosoft Copilot 365 official siteHarvey official siteRelated Comparisons
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Data sourced from public vendor documentation. Pricing, features, and availability may change. Always verify on official vendor websites before making purchasing decisions. AIHub is not affiliated with any of the listed vendors.