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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.

CodeGPT logo
CodeGPT
✓ verifiedFreemium

IDE coding assistant for VS Code and JetBrains that uses your own API keys across 15+ model providers, with agentic mode and autocomplete.

262K visits/mo
Continue logo
Continue
✓ verifiedFreemium

Open-source AI coding assistant offering autocomplete and chat in IDEs; the company was acquired by Cursor.

775K visits/mo
Aider logo
Aider
✓ verifiedFree

Open-source terminal AI pair programmer that edits code in your local git repo and auto-commits, working with most LLMs.

479K 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
Ask Codi logo
Ask Codi
✓ verifiedFreemium

AI coding assistant with multi-model chat and developer tools to help write, explain and improve code faster.

55K visits/mo
Pricing
Free: $0/mo (BYOK, 30 free interactions)
AutoComplete Add-on / BYOK Pro: $8/mo per seat ($6.67 annual)

No public pricing

No public pricing

No public pricing

No public pricing

Core features
  • BYOK access to 15+ model providers
  • Agentic planning-then-build mode
  • AI autocomplete
  • MCP connections to external systems
  • Custom rules and live context tracking
  • Local models via Ollama/LM Studio
  • VS Code and JetBrains plugins
  • Open-source AI code assistant
  • Customizable autocomplete
  • In-editor AI chat
  • Community-built coding agent
  • Terminal-based AI pair programming
  • Edits code in your local git repo
  • Automatic git commits with messages
  • Codebase mapping for large projects
  • Works with cloud and local LLMs
  • Voice-to-code, image/web context, lint and test
  • 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
  • AI code generation
  • Multi-model chat
  • Developer utility tools
  • Code explanation and improvement
Use cases
  • Code generation, refactoring and debugging
  • Control AI spend with your own keys
  • Switch between frontier models per task
  • Keep code private and data-sovereign
  • Get AI code completions while coding
  • Ask questions about code in the editor
  • Build on an open-source coding-agent foundation
  • Building features and fixing bugs via AI in the terminal
  • Working on large existing codebases
  • Automating git commits
  • Using local LLMs for private coding
  • Writing and completing code faster with AI
  • Onboarding to unfamiliar codebases
  • Debugging and optimizing code
  • Spinning up dev environments in the browser
  • Writing code faster
  • Explaining or debugging code
  • Generating tests and documentation
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