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Essential Keyboard Shortcuts

ShortcutActionDescription
⌘ + LNew Chat with codeStart a new AI chat with your selected code
⌘ + NNew empty chatCreate a fresh chat without code context
⌘ + ⇧ + LAdd to current chatAppend selected code to current chat
⌘ + KInline completionsGet quick inline code suggestions
⌘ + /Open model selectorToggle between different AI models
⌘ + ⌫Stop generationImmediately stop the current AI response
⌘ + ⇧ + GGit panelOpen the Git status panel
⌘ + ⇧ + VVoice modeToggle voice recording on/off
escClose panelUniversal close button for any open panel

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AI Models & Their Strengths

ModelBest For
Claude Sonnet 4State of the Art - Best overall for coding tasks
Claude 3.5 SonnetLarge codebases and complex tasks
Gemini 2.5 ProExcellent quality (but longer response times)
Gemini 2.5 FlashFast responses for quick tasks
OpenAI o3Best thinking model for complex reasoning
OpenAI o4 MiniLightweight model for simple tasks
OpenAI GPT 4.1General coding and chat tasks
DeepSeek R1Advanced coding assistance
DeepSeek V3Latest DeepSeek model
These model recommendations are opinionated and based on general use cases. You should experiment with different models to find which ones work best for your specific needs and coding style. Each developer may have different preferences based on their workflow and the types of problems they are solving.

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Best Practices

  1. Code Context
    • Select relevant code before starting chat
    • Include imports and related types
    • Provide clear and specific questions
  2. Model Selection
    • Switch models if not getting desired results

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Common Use Cases & Workflows

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Code Review

  1. Select code → ⌘ + L
  2. Ask for review
  3. Add context with ⌘ + ⇧ + L if needed
  4. Use ▶️ to apply suggestions

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Quick Fixes

  1. Place cursor where you want to fix
  2. ⌘ + K for suggestions
  3. Use esc to dismiss if needed

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Warnings and Errors

  1. Click error/warning indicator in Xcode’s editor near line number
  2. Review AI-suggested fixes
  3. Click ▶️ to implement changes, or use Quick Apply (⏩) for instant application
  4. For complex cases:
    • Select problematic code and copy error/warning
    • Use ⌘ + L for detailed help
    • Add context as needed
Common fixes include:
  • Build errors (imports, types)
  • Deprecated API usage

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Configuration Tips

  • Customize shortcuts in Settings
  • Set up system and custom prompts for repeated tasks

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Common Pitfalls to Avoid

  • Do not provide too little context
  • Do not stick with one model if struggling