AI Agent Index

Plandex vs Devin (2026)

Side-by-side comparison of Plandex and Devin — pricing, capabilities, integrations, deployment complexity, and ratings. Last updated April 2026.

Data sourced from The AI Agent Index · Updated daily

Plandex logo

Plandex

by Plandex

Open-source AI coding agent that manages complex multi-step development tasks in a version-controlled sandbox.

freemiumB2B
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Devin logo

Devin

by Cognition AI

The most autonomous AI software engineer — handles full tasks end-to-end from Slack.

subscriptionENTERPRISE
Visit Devin
FeaturePlandexDevin
Pricing modelfreemiumsubscription
Starting priceFree$500/mo
Customer segmentB2BENTERPRISE
Deploymentcli, self-hostedweb, slack
Setup difficultymoderatemoderate
Avg setup time1 hour
Model architectureOpen SourceProprietary
Rating4.1 / 54.5 / 5

Capabilities

Plandex

agentic-codingterminal-agentmulti-file-editinggit-nativeopen-source

Devin

fully-autonomousend-to-end-developmenttestingpull-requests

Pros & Limitations

Editorial assessment

Plandex

Pros

  • Open-source and self-hostable
  • Version-controlled sandbox prevents accidental changes
  • Good for complex multi-file tasks

Limitations

  • Terminal-only — no GUI
  • Requires technical setup
  • Smaller community than major alternatives

Devin

Pros

  • Fully autonomous — can handle entire feature implementations
  • Integrates with GitHub for PR-based workflows
  • Detailed action logs for every task

Limitations

  • Very expensive — enterprise pricing only
  • Can make incorrect assumptions on ambiguous tasks
  • Not suitable for real-time pair programming

Frequently asked questions

What is the difference between Plandex and Devin?

Plandex is a freemium ai coding agents targeting b2b customers. A standout strength: Open-source and self-hostable. Devin is a subscription tool targeting enterprise customers. A standout strength: Fully autonomous — can handle entire feature implementations. See the full comparison table above for a detailed breakdown.

Is Plandex or Devin better for my team?

Plandex suits b2b teams with moderate setup complexity, starting at $0. Key consideration: Terminal-only — no GUI. Devin is designed for enterprise teams with moderate setup complexity, starting at $500. Key consideration: Very expensive — enterprise pricing only. Consider your budget, team size, and existing integrations before choosing.

How does Plandex pricing compare to Devin?

Plandex uses a freemium model, starting at $0 per month. Devin uses a subscription model, starting at $500 per month. Both pricing structures are tracked and updated regularly on The AI Agent Index.

What are the main limitations of Plandex vs Devin?

Plandex limitations include: Terminal-only — no GUI; Requires technical setup. Devin limitations include: Very expensive — enterprise pricing only; Can make incorrect assumptions on ambiguous tasks. Review the Pros & Limitations section above for the complete editorial assessment.

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