Devin
Relevance AI
| Feature | Devin | Relevance AI |
|---|---|---|
| Pricing | From $20/mo | Free / from $199/mo |
| Free Plan | ✗ No | ✓ Yes |
| Rating | 4 / 5 | 4.2 / 5 |
| Best For | engineering-teams, enterprise-developers, code-maintenance, automated-testing | operations-teams, sales-teams, agencies, business-analysts |
| Founded | 2024 | 2020 |
| Autonomous Coding | ✓ | ✗ |
| Planning | ✓ | ✗ |
| Debugging | ✓ | ✗ |
| Deployment | ✓ | ✗ |
| Code Review | ✓ | ✗ |
| Testing | ✓ | ✗ |
| Slack Integration | ✓ | ✗ |
| Agent Builder | ✗ | ✓ |
| Tool Steps | ✗ | ✓ |
| Knowledge Base | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Integrations | ✗ | ✓ |
| Analytics | ✗ | ✓ |
✓ Devin Pros
- Truly autonomous (handles multi-step engineering tasks)
- Own environment with terminal, browser, and code editor
- Can learn from documentation and unfamiliar codebases
- Handles real GitHub issues and PRs independently
✗ Devin Cons
- No free tier
- ACU costs add up on complex tasks
- Output quality varies by task complexity
- Team plan expensive at $500/month
✓ Relevance AI Pros
- No-code agent builder
- Pre-built agent templates
- Multi-step tool chains
- Team management for AI agents
✗ Relevance AI Cons
- Expensive for heavy usage
- Complex agents need iteration
- Limited LLM provider choices
The Verdict
Devin is built for engineering teams and enterprise developers, with a focus on autonomous-coding and planning. Relevance AI targets operations teams and sales teams and leads with agent-builder and tool-steps.
On pricing, Devin is the clear winner for budget-conscious users — starting at $20/mo compared to $199/mo for Relevance AI. That $179/mo difference adds up quickly for growing teams.
Relevance AI has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Devin requires a paid subscription from day one.
Feature-wise, Devin offers broader built-in capabilities (7 features vs 6), while Relevance AI takes a more focused approach — which can mean a simpler, faster onboarding experience.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.