> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tazolabs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List models

> Lists the available models, their capabilities, and whether each is ready.



## OpenAPI

````yaml /api-reference/openapi.yaml get /v1/models
openapi: 3.1.0
info:
  title: Tazo API
  version: 0.1.0
  description: >-
    Turn spoken audio into typed decisions. Send audio and questions, and get
    probability-backed answers.
servers:
  - url: https://api.tazolabs.com
    description: Production
security:
  - bearerAuth: []
tags:
  - name: Decisions
  - name: Models
  - name: API keys
  - name: Health
paths:
  /v1/models:
    get:
      tags:
        - Models
      summary: List models
      description: >-
        Lists the available models, their capabilities, and whether each is
        ready.
      operationId: listModels
      responses:
        '200':
          description: The model list. `tazo-large` is listed first.
          content:
            application/json:
              schema:
                type: object
                required:
                  - models
                properties:
                  models:
                    type: array
                    items:
                      $ref: '#/components/schemas/Model'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '502':
          description: >-
            The model runtime returned an invalid response
            (`runtime_contract_violation`).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '503':
          description: One or more models are unavailable (`tazo_unavailable`).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - bearerAuth: []
        - accessToken: []
components:
  schemas:
    Model:
      type: object
      required:
        - id
        - display_name
        - description
        - contract
        - capabilities
        - ready
      properties:
        id:
          type: string
          enum:
            - tazo-large
            - tazo-small
        display_name:
          type: string
          example: Tazo Large
        description:
          type: string
        contract:
          type: string
          enum:
            - typed-decisions-v1
        capabilities:
          $ref: '#/components/schemas/ModelCapabilities'
        ready:
          type: boolean
    Error:
      type: object
      required:
        - error
      properties:
        error:
          type: object
          required:
            - code
            - message
            - retryable
          properties:
            code:
              type: string
              description: Stable machine-readable code. Branch on this, not `message`.
              example: model_not_found
            message:
              type: string
              example: Unknown model. Choose 'tazo-large' or 'tazo-small'.
            retryable:
              type: boolean
              description: Whether repeating the same request can succeed.
        request_id:
          type: string
          description: Present on `decision_pending` responses.
    ModelCapabilities:
      type: object
      required:
        - question_types
        - max_questions
      properties:
        question_types:
          type: array
          items:
            type: string
            enum:
              - choice
              - noul
              - score
        max_questions:
          type: integer
          minimum: 1
        max_choice_options:
          type: integer
          minimum: 2
          nullable: true
        requires_no_tool_choice:
          type: boolean
        max_audio_seconds:
          type: number
          nullable: true
        required_sample_rate_hz:
          type: integer
          nullable: true
  responses:
    Unauthorized:
      description: >-
        The credential is missing (`missing_access_token`) or invalid
        (`invalid_access_token`, `invalid_api_key`).
      headers:
        WWW-Authenticate:
          schema:
            type: string
            enum:
              - Bearer
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: An API key (`tazo_sk_...`). Also accepts a sign-in access token.
    accessToken:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: A signed-in user's OIDC access token. Required to manage API keys.

````

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