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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

Cody logo
Cody
✓ verifiedPaid

Enterprise AI coding assistant that pulls context from an entire codebase to power chat, code edits and debugging.

245K visits/mo
Magic Patterns logo
Magic Patterns
✓ verifiedFreemium

AI prototyping tool that generates UI matching your design system, letting product teams test features fast.

242K visits/mo3.8K saves
Applitools Eyes logo
Applitools Eyes
✓ verifiedFree trial

AI-powered visual and functional test-automation platform for cross-browser, component, and accessibility testing.

188K visits/mo
Firebase Studio logo
Firebase Studio
✓ verifiedFree

Browser-based AI dev workspace by Google for full-stack apps; being sunset on 22 Mar 2027, no new workspaces.

531K visits/mo
Stately logo
Stately
✓ verifiedFreemium

Visual state-machine editor (built on XState) that lets teams design app logic as diagrams and export runnable JS/TS code.

71K visits/mo
Pricing
Enterprise: starting at $16K (includes AI feature credits, scales with team size)

No public pricing

No public pricing

Free trial available

No public pricing

Professional: $33/month (annual) or $39/month (monthly), 1,000 AI generations/month
Team: $167/month (annual) or $199/month (monthly), up to 10 members

Free trial available

Core features
  • Codebase-aware developer chat
  • AI code completions and inline edits
  • Customizable and shareable prompts
  • Automatic bug identification and debugging help
  • Context filters to exclude sensitive repos
  • Integrates with major code hosts and IDEs
  • AI UI generation from prompts
  • Match existing styling and design systems
  • Rapid, high-fidelity prototyping
  • Live team editing and sharing
  • Enterprise security and compliance
  • Visual AI UI validation
  • Cross-browser and cross-device testing
  • Component and accessibility testing
  • Codeless recorder and NLP test builder
  • Test orchestration and self-healing tests
  • Root-cause analysis and automated maintenance
  • Cloud workspaces for full-stack development
  • App Prototyping agent from natural language
  • Gemini AI for coding, debugging and docs
  • Repo import from GitHub, GitLab and Bitbucket
  • Web previews and Android emulators
  • Deploy to Firebase App Hosting, Hosting or Cloud Run
  • Drag-and-drop visual state machine editor
  • Bidirectional code/diagram sync via XState
  • AI generation and modification of state machines
  • Auto-generated React app prototypes and tests
  • GitHub sync and Figma embedding
  • Live simulation and Stately Inspector for debugging
  • Version history and shareable diagrams
Use cases
  • Engineers asking questions about an unfamiliar large codebase
  • Teams standardizing common coding tasks with shared prompts
  • Developers debugging errors faster with AI-assisted context
  • Enterprises running large-scale code migrations
  • Prototype new product features
  • Test designs with customers
  • Build design-system-consistent mockups
  • Catch visual UI regressions
  • Automate cross-browser testing
  • Scale QA across large test suites
  • Run accessibility checks
  • Prototyping apps from a prompt or mockup
  • Building full-stack apps in the browser
  • Collaborating and sharing preview URLs
  • Deploying and monitoring apps quickly
  • Frontend teams modeling complex UI flows
  • Backend teams documenting workflow logic
  • Teams wanting living, always-current documentation
  • Non-technical stakeholders reviewing app logic visually
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