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Learn how to configure OpenAI models in kagent.

Configuring OpenAI

1. Create a Kubernetes Secret that stores the API key, replace <your_api_key> with an actual API key:

export OPENAI_API_KEY=<your_api_key>
kubectl create secret generic kagent-openai -n kagent --from-literal OPENAI_API_KEY=$OPENAI_API_KEY

2. Create a ModelConfig resource that references the secret and key name:

apiVersion: kagent.dev/v1alpha2
kind: ModelConfig
metadata:
  name: default-model-config
  namespace: kagent
spec:
  apiKeySecret: kagent-openai
  apiKeySecretKey: OPENAI_API_KEY
  model: gpt-4o-mini
  provider: OpenAI
  openAI: {}

For OpenAI’s standard models like GPT-4 and GPT-3.5, kagent automatically configures the appropriate model capabilities.

3. Apply the above resource to the cluster.

Once the resource is applied, you can select the model from the Model dropdown in the UI when creating or updating agents.