Compare Relay and Hiver. See features, pricing, and which is best for AI email support.
| Feature | Relay | Hiver |
|---|---|---|
| AI Email Drafting | Multi-LLM AI drafts | Harvey AI for basic suggestions |
| Email Provider | Gmail & Outlook native | Gmail-only |
| Knowledge Base | Built-in KB for AI context | No built-in KB |
| Draft & Review | AI drafts, human approves | Manual drafting with Harvey AI tips |
| Gmail Integration | Works alongside Gmail | Lives inside Gmail UI |
Relay
Full AI draft generation with multi-LLM
Hiver
Harvey AI provides basic email templates
Relay has significantly deeper AI
Relay
Gmail and Outlook supported
Hiver
Gmail only — no Outlook support
Relay is more flexible
Relay
Connect inbox in minutes
Hiver
Chrome extension for Gmail
Both are quick to set up
Hiver starts cheaper at $15/user but has minimal AI. Relay's $49/mo includes full multi-LLM drafting.
Relay provides multi-LLM AI draft generation, while Hiver's Harvey AI offers basic suggestions. Relay also supports Outlook alongside Gmail.
No. Hiver is Gmail-only. Relay supports both Gmail and Outlook natively.
Relay starts at $49/mo vs Hiver's $15/user/mo, but Relay includes full AI drafting that Hiver doesn't offer.
Start your free trial and see why teams choose Relay over Hiver for AI email support.