Compare Relay and Missive. See features, pricing, and which is best for AI email support.
| Feature | Relay | Missive |
|---|---|---|
| AI Email Drafting | Multi-LLM AI drafts | OpenAI integration for writing |
| Knowledge Base | Built-in KB for AI context | No built-in KB |
| Draft & Review | AI drafts with human approval | AI writing assist in composer |
| Multi-LLM Support | GPT-5, Claude, Gemini | OpenAI only |
| Team Chat | Email-focused collaboration | Built-in team chat + email |
Relay
Full draft generation with KB context
Missive
OpenAI writing assistant in composer
Relay has deeper AI email workflow
Relay
Shared inbox with AI-first workflow
Missive
Team chat + shared inbox combined
Missive for team chat; Relay for AI email
Relay
AI included from $49/mo
Missive
Starting at $14/user/mo with OpenAI integration
Missive is cheaper; Relay has more AI
Missive is cheaper per user but has lighter AI. Relay includes full multi-LLM drafting from $49/mo.
For AI email drafting, yes. Relay offers multi-LLM support and full draft generation, while Missive has a simpler OpenAI writing assistant.
Missive integrates with OpenAI for writing assistance, but it lacks Relay's full draft & review workflow and knowledge base integration.
Missive excels at team chat combined with email and internal collaboration at a lower per-user price point.
Start your free trial and see why teams choose Relay over Missive for AI email support.