Devin vs Synthflow: 2026 comparison
Autonomous AI software engineer that ships PRs end-to-end.
Devin vs Synthflow — specs
| Spec | Devin | Synthflow |
|---|---|---|
| Agent Rank | 78 / 100 (A) | 75 / 100 (A) |
| Autonomy | Autonomous | Autonomous |
| Pricing | Subscription · from $500 | Freemium · from $29 |
| Open source | No | No |
| Capabilities | Code, Tool use, Browser, Memory | Voice, Tool use, Memory |
| Integrations | 3 apps | 4 apps |
| Verified | Verified | Verified |
| Released | May 2025 | Feb 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
- 8
- Pricing value
- 7
- 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
- +Truly no-code — non-developers can ship a working voice agent in an afternoon
- +Templates cover most common voice-agent use cases (appointment scheduling, lead qual, surveys)
- +White-label option lets agencies resell to clients
- −No-code abstractions can hit ceilings for advanced logic
- −Voice quality slightly behind ElevenLabs-based stacks
- −Pro tier pricing is steep at $375/mo for 1,500 minutes
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
- +50 minutes
- +Basic templates
- +1,500 minutes
- +CRM integrations
- +Outbound campaigns
- +3,500 minutes
- +Custom voice cloning
- +White-label option
- +Custom volumes
- +Dedicated CS
- +SSO
Which one should you pick?
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Frequently asked
Should I pick Devin or Synthflow in 2026?+
Pick Devin if its specific capabilities (Code, Tool use) match what you need. Pick Synthflow if cost is the main constraint. Most working teams running both can use Devin for primary work and Synthflow for the workflows where its specific strengths matter.
What's the price difference between Devin and Synthflow?+
Devin starts at Subscription · from $500; Synthflow starts at Freemium · from $29. Synthflow 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 Synthflow?+
Both Devin and Synthflow are Autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.