OpenAI Complete Guide 2026
Master ChatGPT, GPT-5, DALL-E, and the OpenAI API. Everything you need to leverage the world's leading AI platform.
OpenAI Products & Services
The world's most popular AI chatbot. ChatGPT uses GPT-4o and GPT-5 for natural conversations, coding help, writing, and more.
OpenAI's most advanced language model. GPT-5 offers enhanced reasoning, multimodal capabilities, and improved factual accuracy.
The omni model with native audio, vision, and text capabilities. GPT-4o powers real-time voice conversations and multimodal understanding.
Create stunning, detailed images from text descriptions. DALL-E 3 offers superior prompt understanding and artistic quality.
Access all OpenAI models via API. Build chatbots, assistants, content generators, and AI-powered applications.
State-of-the-art speech-to-text model. Whisper supports 100+ languages with excellent accuracy for transcription.
ChatGPT Pricing Plans
Choose the right plan for your needs
- ChatGPT access
- GPT-4o Mini
- Limited messages
- Basic features
- GPT-5 access
- GPT-4o
- DALL-E image gen
- Voice mode
- Custom GPTs
- Priority access
- Everything in Plus
- Admin console
- Team workspace
- Higher limits
- Data excluded from training
- Unlimited GPT-5
- Enterprise security
- SSO & SCIM
- Custom models
- Dedicated support
OpenAI API Pricing
Per 1 million tokens (approximately 750,000 words)
| Model | Input | Output | Context |
|---|---|---|---|
| GPT-5 | $5.00 | $15.00 | 256K |
| GPT-5 Turbo | $2.50 | $7.50 | 256K |
| GPT-4o | $2.50 | $10.00 | 128K |
| GPT-4o Mini | $0.15 | $0.60 | 128K |
| GPT-3.5 Turbo | $0.50 | $1.50 | 16K |
Learn to Build with OpenAI
Our AI course covers ChatGPT prompting, GPT API integration, and building production AI applications.