✓ Use when
Developers building AI products who want the largest ecosystem, most tutorials, and most third-party tooling. Best for multi-modal applications.
✗ Avoid when
Applications requiring the longest context window — Claude handles 200K tokens vs. GPT-4o's 128K.
What is OpenAI API?
OpenAI API powers the largest ecosystem of AI applications. GPT-4o is the multi-modal flagship model. The API supports text, image analysis, image generation (DALL-E 3), speech-to-text, text-to-speech, and fine-tuning. The largest developer community and most mature tooling.
Key features
✓GPT-4o multi-modal model
✓DALL-E 3 image generation
✓Whisper speech-to-text
✓Assistants API with file handling
✓Fine-tuning capability
Integrations
Microsoft AzureZapierLangChain
Third-party ratings
G2
4.7· 4,800 reviews
💰 Real-world pricing
What people actually pay
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User Reviews
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