nex/docs/api_reference/anthropic/list.md

List

$ ant models list

get /v1/models

List available models.

The Models API response can be used to determine which models are available for use in the API. More recently released models are listed first.

Parameters

• --after-id: optional string

  Query param: ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately after this object.

• --before-id: optional string

  Query param: ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately before this object.

• --limit: optional number

  Query param: Number of items to return per page.

  Defaults to 20. Ranges from 1 to 1000.

• --beta: optional array of AnthropicBeta

  Header param: Optional header to specify the beta version(s) you want to use.

Returns

• ListResponse_ModelInfo_: object { data, first_id, has_more, last_id }

  • data: array of ModelInfo

    • id: string

      Unique model identifier.

    • capabilities: object { batch, citations, code_execution, 6 more }

      Model capability information.

      • batch: object { supported }

        Whether the model supports the Batch API.

        • supported: boolean

          Whether this capability is supported by the model.

      • citations: object { supported }

        Whether the model supports citation generation.

        • supported: boolean

          Whether this capability is supported by the model.

      • code_execution: object { supported }

        Whether the model supports code execution tools.

        • supported: boolean

          Whether this capability is supported by the model.

      • context_management: object { clear_thinking_20251015, clear_tool_uses_20250919, compact_20260112, supported }

        Context management support and available strategies.

        • clear_thinking_20251015: object { supported }

          Indicates whether a capability is supported.

          • supported: boolean

            Whether this capability is supported by the model.

        • clear_tool_uses_20250919: object { supported }

          Indicates whether a capability is supported.

          • supported: boolean

            Whether this capability is supported by the model.

        • compact_20260112: object { supported }

          Indicates whether a capability is supported.

          • supported: boolean

            Whether this capability is supported by the model.

        • supported: boolean

          Whether this capability is supported by the model.

      • effort: object { high, low, max, 3 more }

        Effort (reasoning_effort) support and available levels.

        • high: object { supported }

          Whether the model supports high effort level.

          • supported: boolean

            Whether this capability is supported by the model.

        • low: object { supported }

          Whether the model supports low effort level.

          • supported: boolean

            Whether this capability is supported by the model.

        • max: object { supported }

          Whether the model supports max effort level.

          • supported: boolean

            Whether this capability is supported by the model.

        • medium: object { supported }

          Whether the model supports medium effort level.

          • supported: boolean

            Whether this capability is supported by the model.

        • supported: boolean

          Whether this capability is supported by the model.

        • xhigh: object { supported }

          Indicates whether a capability is supported.

          • supported: boolean

            Whether this capability is supported by the model.

      • image_input: object { supported }

        Whether the model accepts image content blocks.

        • supported: boolean

          Whether this capability is supported by the model.

      • pdf_input: object { supported }

        Whether the model accepts PDF content blocks.

        • supported: boolean

          Whether this capability is supported by the model.

      • structured_outputs: object { supported }

        Whether the model supports structured output / JSON mode / strict tool schemas.

        • supported: boolean

          Whether this capability is supported by the model.

      • thinking: object { supported, types }

        Thinking capability and supported type configurations.

        • supported: boolean

          Whether this capability is supported by the model.

        • types: object { adaptive, enabled }

          Supported thinking type configurations.

          • adaptive: object { supported }

            Whether the model supports thinking with type 'adaptive' (auto).

            • supported: boolean

              Whether this capability is supported by the model.

          • enabled: object { supported }

            Whether the model supports thinking with type 'enabled'.

            • supported: boolean

              Whether this capability is supported by the model.

    • created_at: string

      RFC 3339 datetime string representing the time at which the model was released. May be set to an epoch value if the release date is unknown.

    • display_name: string

      A human-readable name for the model.

    • max_input_tokens: number

      Maximum input context window size in tokens for this model.

    • max_tokens: number

      Maximum value for the max_tokens parameter when using this model.

    • type: "model"

      Object type.

      For Models, this is always "model".

  • first_id: string

    First ID in the data list. Can be used as the before_id for the previous page.

  • has_more: boolean

    Indicates if there are more results in the requested page direction.

  • last_id: string

    Last ID in the data list. Can be used as the after_id for the next page.

Example

ant models list \
  --api-key my-anthropic-api-key