Devin vs Retell AI: 2026 comparison
Autonomous AI software engineer that ships PRs end-to-end.
Devin vs Retell AI — specs
| Spec | Devin | Retell AI |
|---|---|---|
| Agent Rank | 78 / 100 (A) | 72 / 100 (A) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription · from $500 | Pay per task · Free tier |
| Open source | No | No |
| Capabilities | Code, Tool use, Browser, Memory | Voice, Tool use, Memory |
| Integrations | 3 apps | 3 apps |
| Verified | Verified | Verified |
| Released | May 2025 | Mar 2025 |
Agent Rank breakdown
- Autonomy fit
- 9
- Capabilities
- 8
- Integrations
- 6
- Pricing value
- 4
- Polish & maturity
- 10
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 9
- Capabilities
- 6
- Integrations
- 4
- Pricing value
- 9
- Polish & maturity
- 5
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +Highest autonomy in the coding category — ships PRs end-to-end with minimal oversight
- +Iterates on failing tests until they pass; explains what it did in the PR description
- +Multi-agent UI for managing parallel sessions
- −Pricing puts it firmly in team territory — overkill for solo founders
- −Will ship working code that's wrong for your codebase if architectural context is missing
- −Session memory weak past hour-long stretches
- +Lowest per-minute pricing among production voice agent platforms
- +Strong streaming latency (~300ms) competitive with ElevenLabs
- +Per-minute pricing easier to forecast than per-seat
- −Less polished out-of-the-box than Synthflow for non-technical buyers
- −Documentation and tooling still maturing vs ElevenLabs
- −Voice quality varies by model selection
Pricing
- +Unlimited sessions
- +Slack + GitHub + Linear integrations
- +10 concurrent sessions
- +Email support
- +Everything in Core
- +Priority queue
- +40 concurrent sessions
- +SSO
- +Shared knowledge base
- +Custom concurrency
- +Dedicated VPC option
- +SOC 2 II reports
- +Onboarding engineer
- +~$0.07/min
- +Production-ready API
- +Volume discounts
- +Dedicated infrastructure
- +Custom models
Which one should you pick?
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Frequently asked
Should I pick Devin or Retell AI in 2026?+
Pick Devin if its specific capabilities (Code, Tool use) match what you need. Pick Retell AI if cost is the main constraint. Most working teams running both can use Devin for primary work and Retell AI for the workflows where its specific strengths matter.
What's the price difference between Devin and Retell AI?+
Devin starts at Subscription · from $500; Retell AI starts at Pay per task · Free tier. Retell AI is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, Devin or Retell AI?+
Both Devin and Retell AI are Autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.