README.md

Iris

Custom multimodal Iris checkpoint exported in Hugging Face format.

Load

import torch
from PIL import Image
from transformers import AutoImageProcessor, AutoModelForCausalLM, AutoTokenizer

model_id = "iris-hf"
model = AutoModelForCausalLM.from_pretrained(model_id, trust_remote_code=True, torch_dtype=torch.float16)
tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
image_processor = AutoImageProcessor.from_pretrained(model_id)

image = Image.open("example.jpg").convert("RGB")
pixel_values = image_processor(images=[image], return_tensors="pt")["pixel_values"].to(model.device)
prompt = "Describe this image: "
input_ids = tokenizer(prompt, return_tensors="pt", add_special_tokens=False)["input_ids"].to(model.device)
attention_mask = torch.ones_like(input_ids)

output_ids = model.generate(
    input_ids=input_ids,
    attention_mask=attention_mask,
    pixel_values=pixel_values,
    prompt_len=input_ids.size(1),
    max_new_tokens=64,
)
print(tokenizer.decode(output_ids[0, input_ids.size(1):], skip_special_tokens=True))