Open Responses

Base class for interacting with providers that implement the Open Responses API specification. This provides a foundation for multi-provider, interoperable LLM interfaces based on the OpenAI Responses API.

Providers that implement this spec include Ollama (v0.13.3+) and OpenRouter.

Key Differences from OpenAI Responses

Configurable base_url for pointing to different API endpoints
Stateless by default (no previous_response_id chaining)
Flexible api_key handling for providers that don't require authentication

Parameters

Parameter	Type	Default	Description
`id`	`str`	`"not-provided"`	The ID of the model to use
`name`	`str`	`"OpenResponses"`	The name of the model
`provider`	`str`	`"OpenResponses"`	The provider of the model
`api_key`	`Optional[str]`	`"not-provided"`	The API key for authentication
`store`	`Optional[bool]`	`False`	Whether to store responses (disabled by default for compatible providers)

Usage

For most use cases, prefer the provider-specific classes:

OllamaResponses for Ollama
OpenRouterResponses for OpenRouter

1from kern.agent import Agent
2from kern.models.openai import OpenResponses
3
4agent = Agent(
5    model=OpenResponses(
6        id="your-model-id",
7        base_url="https://your-provider.com/v1",
8        api_key="your-api-key",
9    ),
10)
11
12agent.print_response("Hello!")