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OpenAI GPT-4o Complete Guide: Features, Pricing & Best Practices

Comprehensive guide to GPT-4o including features, pricing, use cases, and optimization tips. Everything you need to know about OpenAI's flagship model.

📅 2/22/2026⏱️ 13 min read
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OpenAI GPT-4o Complete Guide: Features, Pricing & Best Practices

GPT-4o is OpenAI's flagship multimodal model, offering excellent performance across text, code, and visual tasks. This comprehensive guide covers everything you need to know.

GPT-4o Key Features

  • 128K token context window for long conversations
  • Multimodal capabilities: text, images, and audio
  • Superior code generation and debugging
  • Strong mathematical and logical reasoning
  • Real-time voice conversations
  • Integration with DALL-E for image generation

Pricing Breakdown

Usage TypeCostBest For
Input tokens$2.50 per 1MProcessing prompts and context
Output tokens$10.00 per 1MGenerated responses
Cached input$1.25 per 1MRepeated context (50% discount)
Images$0.00765 eachVisual analysis and description

When to Choose GPT-4o

GPT-4o excels in these scenarios:

  • Production applications requiring consistent quality
  • Code generation, debugging, and technical documentation
  • Multimodal applications with text and images
  • Business applications and customer support
  • Creative writing and content generation
  • Mathematical problem solving and analysis

Optimization Tips

  • Use system messages for consistent behavior
  • Leverage cached inputs for repeated context
  • Set appropriate max_tokens to control costs
  • Use structured outputs (JSON) for better parsing
  • Implement proper error handling and retries
💡

GPT-4o offers the best balance of capability and cost for most production applications. Consider GPT-4o mini for high-volume, simpler tasks.

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