Implementation:Open compass VLMEvalKit Kosmos2

Field	Value
source	VLMEvalKit
domain	Vision, Model_Architecture

Overview

VLM adapter for the Kosmos-2 model enabling benchmark evaluation in VLMEvalKit.

Description

Kosmos2 inherits from BaseModel and wraps the Kosmos-2 model for use within the VLMEvalKit evaluation framework. It initializes the model and tokenizer/processor from a HuggingFace model path (default: microsoft/kosmos-2-patch14-224) and provides the generate_inner method for inference.

Usage

Register in vlmeval/config.py via supported_VLM and invoke through the standard evaluation pipeline.

Code Reference

Source: vlmeval/vlm/kosmos.py, Lines: L1-114
Import: from vlmeval.vlm.kosmos import Kosmos2

Signature:

class Kosmos2(BaseModel):
    INSTALL_REQ = True
    INTERLEAVE = True
    def __init__(self, model_path='microsoft/kosmos-2-patch14-224', **kwargs): ...
    def generate_inner(self, message, dataset=None): ...

I/O Contract

Direction	Description
Inputs	message — list of dicts with type (text/image) and value; dataset — optional dataset name for custom prompting
Outputs	generate_inner() returns str (model response text)

Usage Examples

from vlmeval.vlm.kosmos import Kosmos2
model = Kosmos2(model_path='path/to/model')
response = model.generate_inner(message)

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Principle

Implementation

Heuristic

Environment