AI for contract comparison

import os
from openai import OpenAI

client = OpenAI(api_key=os.environ["OPENAI_API_KEY"])

# Create embeddings for two contract clauses
clause1 = "The lessee shall maintain the premises in good condition."
clause2 = "Tenant is responsible for upkeep and repairs of the property."

response1 = client.embeddings.create(model="text-embedding-3-small", input=clause1)
response2 = client.embeddings.create(model="text-embedding-3-small", input=clause2)

embedding1 = response1.data[0].embedding
embedding2 = response2.data[0].embedding

# Compute cosine similarity (simple example)
import numpy as np

def cosine_similarity(a, b):
    return np.dot(a, b) / (np.linalg.norm(a) * np.linalg.norm(b))

similarity = cosine_similarity(embedding1, embedding2)
print(f"Clause similarity score: {similarity:.4f}")

import os
from anthropic import Anthropic

client = Anthropic(api_key=os.environ["ANTHROPIC_API_KEY"])

prompt = (
    "Compare the following two contract clauses and list their differences:\n"
    "Clause 1: The lessee shall maintain the premises in good condition.\n"
    "Clause 2: Tenant is responsible for upkeep and repairs of the property."
)

response = client.messages.create(
    model="claude-3-5-sonnet-20241022",
    max_tokens=256,
    system="You are a legal contract comparison assistant.",
    messages=[{"role": "user", "content": prompt}]
)

print("Differences:\n", response.content)