Transformers How to use IAAR-Shanghai/MemReranker-4B with Transformers:
# Use a pipeline as a high-level helper
from transformers import pipeline
pipe = pipeline("text-classification", model="IAAR-Shanghai/MemReranker-4B") # pip install -U transformers accelerate
# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM
tokenizer = AutoTokenizer.from_pretrained("IAAR-Shanghai/MemReranker-4B")
model = AutoModelForCausalLM.from_pretrained("IAAR-Shanghai/MemReranker-4B", device_map="auto") sentence-transformers How to use IAAR-Shanghai/MemReranker-4B with sentence-transformers:
from sentence_transformers import CrossEncoder
model = CrossEncoder("IAAR-Shanghai/MemReranker-4B")
query = "Which planet is known as the Red Planet?"
passages = [
"Venus is often called Earth's twin because of its similar size and proximity.",
"Mars, known for its reddish appearance, is often referred to as the Red Planet.",
"Jupiter, the largest planet in our solar system, has a prominent red spot.",
"Saturn, famous for its rings, is sometimes mistaken for the Red Planet."
]
scores = model.predict([(query, passage) for passage in passages])
print(scores) 
