Side by side
Re:GPT vs Sendmux
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Enhanced email productivity with faster composition.
Email API built for AI agents.
Primary task
Email
Email
Pricing
Freemium · Free + from $8/mo
Paid · from $0.15
Pricing details
Free + from $8/mo
from $0.15
Billing cycle
Monthly
Pay-as-you-go
API access
Not documented
Listed as available
Platforms
Chrome Extension
Web
Integrations
Outlook, Chrome, Gmail
Webhooks, MCP
Source rating
5.0 / 5 · 1 ratings
No rating recorded
Catalog views
3.8k
462
Estimated monthly traffic
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Catalog imported
30 Aug 2026
31 Aug 2026
Listed strengths
No pros listed yet
- Agent-shaped mailboxes
- Unified API surface
- Outbound routing flexibility
- Automatic failover
- Raw message content access
Listed limitations
No limitations recorded; this does not mean none exist.
- Lacks explanatory documentation
- No multi-language support
- Complex setup process
- UI not user-friendly
- No integration guidance