OpenAI

Model

API for GPT language, image and audio models

Price: Pay per use
Access: API key

About

API for OpenAI's GPT models, with image generation, speech, transcription, realtime voice and embeddings. Usage is billed per token. gpt-6-astra has a 1.05M-token context window and costs $10 in and $50 out per 1M tokens, or $20 and $75 for prompts over 272K input tokens.

What you can do with it

Generate text, code and structured JSON with GPT models
Generate and edit images from text prompts with GPT Image
Transcribe speech and turn text into spoken audio

Get started

Create an API key in the dashboard
Export it as OPENAI_API_KEY

Example

curl https://api.openai.com/v1/responses \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -d '{
    "model": "gpt-6-astra",
    "input": "Write a one-sentence bedtime story about a unicorn."
  }'

Details

Hosting: Hosted service
Available in: Worldwide
Official SDKs: Python, JavaScript/TypeScript, C#, Java, Go, Ruby
MCP server: None