Devin vs Google CodeMender: Side-by-Side Comparison 2026

Devin vs Google CodeMender comparison 2026. Side-by-side features, pricing & capabilities.

Devin is an AI agent from Cognition — fully autonomous ai software engineer. Google CodeMender is an AI agent from Google DeepMind — ai agent that finds and fixes security vulnerabilities.

Devin

Autonomous AI coding agent by Cognition. Handles full development tasks end-to-end. Cognition also owns Windsurf, integrating IDE and agent workflows.

  • AI chat
  • Agentic mode
  • Multi-file editing
  • Terminal commands
  • Test generation

$20/mo · 3 plans

Google CodeMender

Autonomous AI agent from Google DeepMind that detects, debugs, and patches security vulnerabilities in code. Uses Gemini Deep Think models with multi-agent architecture combining static analysis, dynamic analysis, fuzzing, and SMT solvers. Has upstreamed 72 security fixes to open-source projects in its first six months.

  • Autonomous vulnerability detection
  • Automated patch generation
  • Multi-agent architecture with specialized sub-agents
  • Static analysis and dynamic analysis
  • Differential testing

Usage-based · 1 plan

Feature Devin Google CodeMender
Category AgentAgent
Starting Price $20/mo Usage-based
Model Family ProprietaryGemini
Documentation
Open Source NoNo

Pricing verified Mar 20, 2026. Devin pricing | Google CodeMender pricing

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Key Differences

  • Starting price: Devin starts at $20/mo; Google CodeMender starts at free / BYOK.
  • Model family: Devin uses Proprietary; Google CodeMender uses Gemini.
  • Platforms: Devin runs on Web; Google CodeMender runs on Cloud (Google DeepMind infrastructure).
  • Provider: Devin is built by Cognition; Google CodeMender is built by Google DeepMind.

Which Should You Choose?

Choose Devin if you want fully autonomous engineering tasks with minimal supervision. Choose Google CodeMender if you want automated detection and patching of vulnerabilities in large open-source codebases. Read our full reviews to see which fits your workflow.

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