Compare Relay and Copilot for Email. See features, pricing, and which is best for AI email support.
| Feature | Relay | Copilot for Email |
|---|---|---|
| Email Integration | Native Gmail & Outlook | Outlook only (M365 Copilot) |
| Knowledge Base | Built-in KB for AI context | Uses M365 Graph data |
| Draft & Review | Team approval workflow | Individual AI suggestions |
| Gmail Support | Full Gmail integration | No Gmail support |
| Multi-LLM | GPT-5, Claude, Gemini | Microsoft AI only |
Relay
Gmail + Outlook with team workflow
Copilot for Email
Outlook only, individual productivity
Relay supports more providers and teams
Relay
Choose from multiple LLMs
Copilot for Email
Microsoft AI only
Relay offers more AI model choice
Relay
Customer support email automation
Copilot for Email
General productivity across M365
Different primary use cases
Relay
$49/mo for full email AI platform
Copilot for Email
$30/user/mo for M365 Copilot
Relay is better value for email support
M365 Copilot costs $30/user/mo for general productivity. Relay costs $49/mo for dedicated email support AI.
Relay is purpose-built for email support with team features. Copilot is a general M365 productivity tool.
Copilot can help write emails in Outlook, but it lacks Relay's KB integration, team review, and multi-LLM support.
Yes. Relay supports both Gmail and Outlook natively, unlike Copilot which is Outlook-only.
Start your free trial and see why teams choose Relay over Copilot for Email for AI email support.