docs/build/snippets/python/code-samples/context-engineering-summarization-tool-py.mdx

<CodeGroup>
    ```python Google
    from deepagents import create_deep_agent
    from deepagents.backends import StateBackend
    from deepagents.middleware.summarization import create_summarization_tool_middleware
    
    backend = StateBackend  # if using default backend
    
    model = "google_genai:gemini-3.6-flash"
    agent = create_deep_agent(
        model=model,
        middleware=[  # [!code highlight]
            create_summarization_tool_middleware(model, backend),  # [!code highlight]
        ],  # [!code highlight]
    )
    ```

    ```python OpenAI
    from deepagents import create_deep_agent
    from deepagents.backends import StateBackend
    from deepagents.middleware.summarization import create_summarization_tool_middleware
    
    backend = StateBackend  # if using default backend
    
    model = "openai:gpt-5.5"
    agent = create_deep_agent(
        model=model,
        middleware=[  # [!code highlight]
            create_summarization_tool_middleware(model, backend),  # [!code highlight]
        ],  # [!code highlight]
    )
    ```

    ```python Anthropic
    from deepagents import create_deep_agent
    from deepagents.backends import StateBackend
    from deepagents.middleware.summarization import create_summarization_tool_middleware
    
    backend = StateBackend  # if using default backend
    
    model = "anthropic:claude-sonnet-4-6"
    agent = create_deep_agent(
        model=model,
        middleware=[  # [!code highlight]
            create_summarization_tool_middleware(model, backend),  # [!code highlight]
        ],  # [!code highlight]
    )
    ```

    ```python OpenRouter
    from deepagents import create_deep_agent
    from deepagents.backends import StateBackend
    from deepagents.middleware.summarization import create_summarization_tool_middleware
    
    backend = StateBackend  # if using default backend
    
    model = "openrouter:z-ai/glm-5.2"
    agent = create_deep_agent(
        model=model,
        middleware=[  # [!code highlight]
            create_summarization_tool_middleware(model, backend),  # [!code highlight]
        ],  # [!code highlight]
    )
    ```

    ```python Fireworks
    from deepagents import create_deep_agent
    from deepagents.backends import StateBackend
    from deepagents.middleware.summarization import create_summarization_tool_middleware
    
    backend = StateBackend  # if using default backend
    
    model = "fireworks:accounts/fireworks/models/glm-5p2"
    agent = create_deep_agent(
        model=model,
        middleware=[  # [!code highlight]
            create_summarization_tool_middleware(model, backend),  # [!code highlight]
        ],  # [!code highlight]
    )
    ```

    ```python Baseten
    from deepagents import create_deep_agent
    from deepagents.backends import StateBackend
    from deepagents.middleware.summarization import create_summarization_tool_middleware
    
    backend = StateBackend  # if using default backend
    
    model = "baseten:zai-org/GLM-5.2"
    agent = create_deep_agent(
        model=model,
        middleware=[  # [!code highlight]
            create_summarization_tool_middleware(model, backend),  # [!code highlight]
        ],  # [!code highlight]
    )
    ```

    ```python Ollama
    from deepagents import create_deep_agent
    from deepagents.backends import StateBackend
    from deepagents.middleware.summarization import create_summarization_tool_middleware
    
    backend = StateBackend  # if using default backend
    
    model = "ollama:north-mini-code-1.0"
    agent = create_deep_agent(
        model=model,
        middleware=[  # [!code highlight]
            create_summarization_tool_middleware(model, backend),  # [!code highlight]
        ],  # [!code highlight]
    )
    ```
</CodeGroup>