Windsurf (now Devin Desktop) vs Cosine Genie

Detailed side-by-side comparison to help you choose the right tool

Windsurf (now Devin Desktop)

🔴Developer

AI Coding

Agentic AI IDE — originally from Codeium, now owned by Cognition and rebranding to Devin Desktop. The Cascade agent does deep-context, multi-file edits with inline diffs.

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Starting Price

Free
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Cosine Genie

🔴Developer

AI Coding

Autonomous AI software engineer trained on real engineering trajectories — "the copilot era is over."

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Starting Price

Custom
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Feature Comparison

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FeatureWindsurf (now Devin Desktop)Cosine Genie
CategoryAI CodingAI Coding
Pricing Plans97 tiers6 tiers
Starting PriceFree
Key Features
  • • Cascade agentic coding workflow inside an AI-native IDE
  • • First-class support for major model providers and premium models
  • • SWE-1.6/SWE model positioning, Fast Context, tab completions, and plan-based Cascade allowances

    Windsurf (now Devin Desktop) - Pros & Cons

    Pros

    • ✓Agentic feel is closer to 'pair-programmer' than Cursor's chat-driven model
    • ✓Multi-file edits with inline diffs are excellent for whole-feature work
    • ✓MCP client support is mature — real tool use, not just chat
    • ✓Devin Cloud access from inside the IDE post-acquisition is a unique combo
    • ✓Enterprise VPC + SAML/OIDC option is rare among agentic IDEs
    • ✓Free tier is still usable for hobby projects

    Cons

    • ✗Mid-rebrand to 'Devin Desktop' is confusing — docs, billing, marketplace are inconsistent
    • ✗Cascade is aggressive — when it picks a wrong direction it can break code across many files
    • ✗Pro price rose from $15 to $20/month, and the new $200 Max tier surprised some users
    • ✗Indexer can lag on very large monorepos, slowing the first edit
    • ✗Cursor's UX is still smoother for many users coming from VS Code

    Cosine Genie - Pros & Cons

    Pros

    • ✓Genuine async workflow — file a ticket, get a PR, review in your normal flow
    • ✓On-prem option clears regulated-environment procurement
    • ✓Lumen models tuned for engineering tasks, not generic chat
    • ✓Slack/issue-tracker triggers make integration with existing workflows easy
    • ✓Strong SWE-bench Verified credibility from launch onward

    Cons

    • ✗Team-tier pricing is steep relative to in-editor copilots
    • ✗Like all autonomous agents, quality drops on ambiguous tickets or messy codebases
    • ✗Younger / smaller vendor than GitHub or Cursor — vendor risk for the cautious
    • ✗Sandboxed-cloud per-task model can make latency unpredictable
    • ✗Best gains require teams to invest in clearer ticket hygiene

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    🔒 Security & Compliance Comparison

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    Security FeatureWindsurf (now Devin Desktop)Cosine Genie
    SOC2✅ Yes—
    GDPR✅ Yes—
    HIPAA——
    SSO✅ Yes—
    Self-Hosted✅ Yes—
    On-Prem✅ Yes—
    RBAC✅ Yes—
    Audit Log✅ Yes—
    Open Source❌ No—
    API Key Auth✅ Yes—
    Encryption at Rest✅ Yes—
    Encryption in Transit✅ Yes—
    Data ResidencyUS, EU—
    Data Retentionconfigurable—
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    Read the full reviews to make an informed decision

    Review Windsurf (now Devin Desktop)Review Cosine Genie