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Available Models

ChatAndBuild supports multiple AI providers and models, each with unique strengths for different development tasks.

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Anthropic

Brainiac: Sonnet maps your pages, defines logic, and scaffolds code - like a real dev team.
  • Excellent at following instructions
  • Our go-to model for full-stack planning and app architecture
Use Case: “Build a portfolio app with a contact form and animations”**Sonnet 4.5: **
  • The smartest model in the Claude 4 family, optimized for everyday use
  • We recommend Claude Sonnet 4.5 as the default choice
  • Balances high intelligence with cost-effectiveness for production use
Sonnet 3.7:
  • Predecessor to the Claude 4 serie
  • Strong coding capabilities but with less advanced reasoning than Claude 4 models

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OpenAI

The Reasoning Powerhouse: GPT-5 tackles complex problems with advanced reasoning and creativity
  • Good for explaining complex concepts
  • Ideal for analysis, writing, coding, and creative tasks
Use Case: “Analyze this research paper and write a comprehensive summary with key insights”
GPT-5 vs GPT-4o: GPT-5 offers superior reasoning for complex problems, while 4o provides faster responses for standard tasks

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Deepseek Models

The Backend Boss: Deepseek handles logic, routing, and data storage with ease.
  • Strong multimodal capabilities
  • Excellent code generation
  • Good for explaining complex concepts
Use Case: “Connect this form to a Supabase database and store user entries.”
Avaliable models: Deepseek-V3(Newest), Deepseek-Coder, Deepseek-Reasoner

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Google

Speed & Deep Thinker: Flash delivers lightning-fast responses for everyday coding tasks, while Pro brings advanced reasoning for complex architectural challenges - Google’s dynamic duo for different needs

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Configuration

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Using Your Own API Keys

You can configure your own API keys for better control and potentially lower costs:
  1. Download .json API template Settings -> Data Management - > Downlaod Template
  2. Paste your API keys:
  1. Import back to ChatAndBuild by clicking “Import API keys”

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Switching Models Mid-Conversation

You can change models during a conversation:
  1. Click the model selector in the chat interface
  2. Choose a different model
  3. The conversation context carries over
  4. New responses use the selected model
Some models may interpret previous context differently, so switching mid-conversation might affect response quality.
Model availability and pricing may vary. Check the pricing page for current rates and limits.