Connection
(Optional) Static headers sent with every request. Variable expansion is supported.
Text completion/chat models
More information about the pricing: OpenAI Pricing
Reasoning models
More information about the pricing: OpenAI Pricing
Output tokens include internal reasoning tokens generated by the model that are not visible in API responses
Text embedding models
Older models
These models are still supported but are usually less performant, slower, more expensive
Custom models
Choose whether the model will use Chat Completions API or Responses API.
Fine-tuning