OpenAI API
Access GPT-4, GPT-3.5, DALL-E, and Whisper through OpenAI's comprehensive API for text, image, and audio generation.
Verified
2026-02-03
At a glance
Essential information
About
OpenAI API provides access to the world's most advanced AI models including GPT-4, ChatGPT, DALL-E for image generation, and Whisper for speech recognition. The API powers millions of applications worldwide.
What you can build
- Conversational AI chatbots and assistants
- Content creation and writing tools
- Code generation and debugging assistants
- Image generation applications with DALL-E
- Speech-to-text transcription services
- Automated customer support systems
- Educational tutoring platforms
Pricing
View Pricing| Free tier | No |
| Starting from | $0.50/M tokens (GPT-4o mini) |
| Notes | Credit of $5 for new accounts; pricing varies significantly by model. |
Last updated: 2026-02-03. Please refer to the official pricing page as pricing may have changed.
Alternatives
Similar APIs you might consider
Authentication & Limits
View Docs- Auth type
- api_key
- Rate limits
- Tier-based (5 tiers); higher usage increases limits.
Steps to get API key
- 1Create account at platform.openai.com
- 2Go to API Keys section
- 3Click "Create new secret key"
- 4Name your key and copy it immediately
- 5Use in Authorization header as Bearer token
FAQ
GPT-4 offers superior reasoning, creativity, and longer context windows, while GPT-3.5 is faster and more cost-effective for simpler tasks.
