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OpenAI

Overview​

OpenAI is a leading provider of large language models (LLMs) such as GPT-5, GPT-4.1, and GPT-4o. AI Gateway can be configured to use OpenAI models for various AI operations.

Configuration​

To use OpenAI with, configure it in the Config Manager under the AI Gateway section:

ai:
  providers:
    openai:
      apiKey: your-openai-api-key
      baseURL: https://ai-gateway.example.com/openai # Optional, to point at a gateway
      headers: # Optional, e.g. for authentication with gateway
        - key: X-Custom-Header
          value: custom-value

Then set the default language model (or configure it per-plugin):

ai:
  models:
    languageModel: openai|gpt-5  # or any supported model below

Supported Models​

  • gpt-5 (recommended)
  • gpt-4.1
  • gpt-4o
  • gpt-4o-mini
  • gpt-4o-audio-preview
  • gpt-4-turbo
  • gpt-4
  • gpt-3.5-turbo
  • o1
  • o1-mini
  • o1-preview
  • o3-mini
  • o3
  • o4-mini
  • chatgpt-4o-latest