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toolOllama

Ollama Structured Outputs

JSON mode and schema-constrained local responses.

Ollama structured outputs enforce JSON or a JSON schema through the format field, with Pydantic and Zod validation patterns.

Setup path

  1. 1

    JSON mode

    Set format: "json" in /api/chat or the SDK.

  2. 2

    Schema mode

    Pass a JSON schema object to format.

  3. 3

    Validate

    Parse with Pydantic model_validate_json or Zod.

Tags

ollamastructured-outputjson-schemazod

Provider

Local model runtime with tool calling, structured outputs, OpenAI compatibility, and agent-loop friendly APIs.

Provider docs

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