AICookAI

Model Selection Guide

CookAI supports 7 top AI models. Choose wisely to save money and boost efficiency.

/model <model-name>Switch current model/model — View current model

claude-opus

Strongest Reasoning$$$ ·

One of the strongest AI models. Excels at complex reasoning, long-form analysis, and creative writing.

✅ Pros

  • Strongest reasoning
  • Excellent at complex tasks
  • High-quality creative writing

Cons

  • Most expensive
  • Slower response time

claude-sonnet

Best Value$$ · ⚡⚡

Best choice for daily use. Perfect balance between capability and cost. Handles most tasks excellently.

✅ Pros

  • Best value
  • Fast response
  • Well-rounded

Cons

  • Less capable than opus for extreme reasoning

claude-haiku

Fastest & Cheapest$ · ⚡⚡⚡

Ultra-fast response at minimal cost. Great for simple Q&A, translation, and formatting tasks.

✅ Pros

  • Fastest speed
  • Lowest price
  • Good for simple tasks

Cons

  • Limited for complex tasks
  • Weaker creative writing

Open-Source Reasoner$ · ⚡⚡

Top reasoner among open-source models. Excellent at math, logic, and coding at affordable prices.

✅ Pros

  • Strong math & logic
  • Affordable
  • Open-source & transparent

Cons

  • Average creative writing
  • Limited multimodal support

gemini-3-pro-preview

Ultra-Long Context$$$ · ⚡⚡

Google's flagship model. Supports ultra-long context and multimodal input, ideal for large documents.

✅ Pros

  • Largest context window
  • Strong multimodal
  • Excellent for long documents

Cons

  • High per-call cost
  • Chinese performance below Claude

gpt-5.2-codex-codex

Code Specialist$$ · ⚡⚡

OpenAI's code-specialized model. Excellent at code generation, debugging, and refactoring.

✅ Pros

  • Excellent coding
  • High code quality
  • Strong debugging

Cons

  • Not cost-effective for non-code tasks
  • Average creative writing

gpt-5.3-codex

OpenAI's Best$$$ ·

OpenAI's latest and strongest model. Top-tier across reasoning, coding, and creativity.

✅ Pros

  • Top-tier overall
  • Great at reasoning & coding
  • Latest technology

Cons

  • Higher price
  • Medium response speed

Quick Recommendation Table

Use CasePrimaryAlternativeNotes
Daily Chatclaude-sonnetclaude-haikusonnet is enough, haiku to save
Complex Reasoningclaude-opusgpt-5.3-codexSwitch for deep thinking
Coding / Debuggpt-5.2-codex-codexclaude-sonnetCodex first for code tasks
📐 Math / Logicclaude-opusCost-effective reasoning
📚 Long Documentsgemini-3-pro-previewclaude-opusUltra-long context advantage
Quick Q&A / Translationclaude-haikuclaude-sonnetSimple tasks don't need big models
🎯 Overall Bestgpt-5.3-codexclaude-opusPick the best if budget allows

Money-Saving Tips

  • Default to claude-sonnet, covers 80% of daily needs
  • Switch to haiku for simple questions, 90% cost reduction
  • Only switch to opus or gpt-5.3 when truly needed
  • Use gpt-5.2-codex-codex for code tasks, specialized and cost-effective
  • Remember to switch back to sonnet after using big models