Mailgun vs CrewAI
Email API for developers with deep deliverability tooling
vs. Role-playing multi-agent framework — agents that work together
Pricing tiers
Mailgun
Free
100 emails/day. 1 custom domain, 1-day log retention, 1 inbound route. No credit card.
Free
Basic
$15/month. 10,000 emails/month, no daily limit, 5 inbound routes.
$15/mo
Foundation
$35/month (1st month free). 50,000 emails/month, 1,000 custom domains, 5-day retention.
$35/mo
Scale
$90/month. 100,000 emails/month, SAML SSO, 5,000 email validations, dedicated IP pools, 30-day retention.
$90/mo
Enterprise
Custom. Deliverability services, managed onboarding.
Custom
CrewAI
OSS (MIT)
MIT-licensed Python framework. Free forever.
$0 base (usage-based)
Enterprise
Managed CrewAI Enterprise — deploy + monitor Crews in the cloud. Custom pricing.
Custom
Free-tier quotas head-to-head
Comparing free on Mailgun vs oss on CrewAI.
| Metric | Mailgun | CrewAI |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Mailgun · 14 features
- Batch Sending — Send up to 1,000 recipients per API call via recipient variables.
- Dedicated IPs — IP pools with auto warmup. Scale+ tier.
- Deliverability Suite — Inbox placement testing, DMARC reporting, seed lists.
- Email Logs — Searchable log of all send attempts + events.
- Email Templates — Template builder + variables + versioning.
- Email Validation — Real-time email verification (syntax, MX, role accounts, disposable).
- EU Region — Data stored in EU for GDPR-sensitive customers.
- Inbound Routing — Route incoming emails to URLs/SMTP. Attachment forwarding.
- Mailing Lists — Unlimited mailing lists with bulk subscribe/unsubscribe.
- Open/Click Tracking — HTML + text tracking with configurable tracking domain.
- SAML SSO — Scale+ tier.
- Send API — REST/SMTP send with MIME + tracking.
- Tags — Tag messages to slice stats.
- Webhook Events — delivered, opened, clicked, unsubscribed, complained, permanent_fail, temporary_…
CrewAI · 11 features
- CrewAI Enterprise UI — Managed cloud for deploying + monitoring crews.
- Hierarchical Process — Manager agent delegates to workers.
- Human Input — human_input=True pauses for human review/approval.
- MCP Tool Support — Consume MCP servers as Agent tools.
- Memory — Short-term, long-term, entity memory per Crew/Agent.
- Observability Integrations — Langfuse, LangSmith, AgentOps, OpenLIT.
- Planning Feature — Optional planner agent that plans before task execution.
- Task Guardrails — Validate task output + retry with feedback.
- Testing — Test Crews deterministically with eval metrics.
- Tools — 70+ pre-built tools (search, scrape, file, vision, code exec).
- Training — Train agents from feedback loops.
Developer interfaces
| Kind | Mailgun | CrewAI |
|---|---|---|
| CLI | — | CrewAI CLI |
| SDK | mailgun.js (Node), mailgun-php, mailgun-python, mailgun-ruby | crewai (Python) |
| REST | Mailgun REST API | CrewAI Enterprise |
| OTHER | Inbound Routing, SMTP Relay, Webhooks | — |
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