Methods - VLM Run

Most VLM Run Gateway models expose one or more method values that select a specific operation. Pass method (and optional method_params) at the top level of the request body, or via extra_body in the OpenAI Python SDK. If you omit method, the model’s default is applied.

Request body
OpenAI SDK

{
  "model": "paddleocr/pp-ocrv6",
  "method": "ocr",
  "messages": [ ... ]
}

from openai import OpenAI

client = OpenAI(...)
response = client.chat.completions.create(
    model="paddleocr/pp-ocrv6",
    messages=[{...}],
    extra_body={"method": "ocr"},
)

Every model’s live methods, default_method, and extra_body_help are also available on GET /v1/openai/models.

Visual Question Answering (VQA)

Model	Methods
`qwen/qwen3.5-0.8b`	N/A: Free-form multimodal chat. Does not use `method` or `method_params`; send natural-language prompts in `messages`.

Document and Image OCR

Model	Methods
`paddleocr/pp-ocrv6`	`ocr`: full detection + recognition. `method_params.lang` selects the recognition language (`en`, `ch`, `japan`, …); optional `method_params.score_threshold` filters low-confidence lines. (default) `detect`: text detection only. Returns bounding polygons in JSON without recognised text. `markdown`: reading-order markdown page output used for the streaming page-block flow.
`zai-org/glm-ocr`	`markdown`: reading-order markdown page output used for the streaming page-block flow. (default)
`rednote-hilab/dots.mocr`	`markdown`: reading-order markdown page output used for the streaming page-block flow. (default)

Method Parameters

method_params is an optional object passed alongside method at the top level of the request body, or via extra_body in the OpenAI Python SDK. Keys are model- and method-specific; the tables above call out the parameters each method accepts.

Request body
OpenAI SDK

{
  "model": "paddleocr/pp-ocrv6",
  "method": "ocr",
  "method_params": {
    "lang": "en",
    "score_threshold": 0.5
  },
  "messages": [ ... ]
}

response = client.chat.completions.create(
    model="paddleocr/pp-ocrv6",
    messages=[{...}],
    extra_body={
        "method": "ocr",
        "method_params": {"lang": "en", "score_threshold": 0.5},
    },
)

Method-specific keys

Key	Model	Method(s)	Description
`lang`	`paddleocr/pp-ocrv6`	`ocr`, `detect`	Recognition language (`en`, `ch`, `japan`, …). Default `en`.
`score_threshold`	`paddleocr/pp-ocrv6`	`ocr`	Drop text regions below this recognition confidence (0.0–1.0). Default `0.5`.

Multimodal Inputs

Content part types and document input limits.

Models

Availability status and capability matrix for every model.

Chat Completions

Full request and response schema.

​Visual Question Answering (VQA)

​Document and Image OCR

​Method Parameters

​Method-specific keys

​Related