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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.

Gemini Code Assist logo
Gemini Code Assist
✓ verifiedFreemium

Google's AI coding assistant for code completion, generation, chat and review across IDEs and GitHub.

559K visits/mo
MarsCode logo
MarsCode
✓ verifiedFree

AI-powered IDE with code completion, generation, explanation and debugging, plus a cloud dev environment, for developers.

69K visits/mo
ImageKit logo
ImageKit
✓ verifiedFreemium

ImageKit is an image and video optimization and delivery API with a DAM and creative automation for developers and teams.

1.0M visits/mo
Mintlify logo
Mintlify
✓ verifiedFreemium

Documentation and knowledge platform that keeps developer docs self-updating and queryable by AI agents.

718K visits/mo
The New GitBook logo
The New GitBook
✓ verifiedFreemium

Documentation platform for publishing accurate, AI-ready docs sites, with Git sync and an MCP server for AI tools.

653K visits/mo2.9K saves
Pricing

No public pricing

No public pricing

No public pricing

Free trial available

Starter: $0/mo (individuals and small teams)

Free trial available

No public pricing

Free trial available

Core features
  • AI code completion and suggestions
  • Natural-language code generation
  • In-IDE chat assistance
  • AI code review
  • IDE integrations (VS Code, JetBrains, etc.)
  • GitHub integration
  • AI code completion and snippet generation
  • Natural-language code generation
  • Code explanation and AI Q&A
  • Automated bug detection and fixes
  • Zero-config cloud development environment
  • Project creation from templates or Git
  • Real-time image/video optimization and URL-based transforms
  • AI and GenAI transforms (smart crop, background removal, generative fill, upscaling)
  • Global CDN delivery with sub-50ms response
  • AI-powered digital asset management
  • Creative automation for on-brand banners at scale
  • SDKs and integrations for major stacks and CMSs
  • Self-updating documentation
  • Web-based documentation editor
  • Custom domain hosting
  • Built-in search and API playground
  • MCP server for agent access
  • Authentication and access controls
  • Publish structured documentation sites
  • Git sync for docs-as-code workflows
  • AI setup agent to build and import docs
  • GitBook MCP server for AI access
  • Enterprise controls
  • Free tier to start
Use cases
  • Speeding up coding with AI completions
  • Generating code from plain-language prompts
  • Getting in-editor help and explanations
  • Reviewing pull requests with AI
  • Understanding unfamiliar codebases
  • Writing and completing code faster with AI
  • Onboarding to unfamiliar codebases
  • Debugging and optimizing code
  • Spinning up dev environments in the browser
  • Speeding up website and app media performance
  • Optimizing e-commerce and media images and video
  • Centralized digital asset management and collaboration
  • Adaptive video streaming
  • Generating thousands of on-brand banner variations
  • Publish and maintain developer documentation
  • Expose docs to AI agents via MCP
  • Host a branded docs site on a custom domain
  • Give teams a collaborative doc editor
  • Publish product and API documentation
  • Maintain docs-as-code with Git sync
  • Make docs consumable by AI assistants
  • Import existing docs into a hosted site
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