Self-Consistency, Tree-of-Thoughts, Graph-of-Thoughts

# Self-consistency — N=5
import os
from collections import Counter
from anthropic import Anthropic
from dotenv import load_dotenv
load_dotenv()
 
client = Anthropic(api_key=os.getenv("ANTHROPIC_API_KEY"))
 
def ask_once(question: str) -> str:
    r = client.messages.create(
        model="claude-haiku-4-5-20251001",
        max_tokens=400,
        temperature=0.8,  # ÖNEMLİ: çeşitlilik için
        messages=[{"role": "user", "content": question + "\n\nAdım adım düşün, sonra <answer>X</answer> formatında final cevap ver."}],
    )
    text = r.content[0].text
    # Çok basit parse:
    if "<answer>" in text:
        return text.split("<answer>")[1].split("</answer>")[0].strip()
    return text.strip()[:30]
 
def self_consistency(question: str, n: int = 5) -> str:
    answers = [ask_once(question) for _ in range(n)]
    print("Tüm cevaplar:", answers)
    return Counter(answers).most_common(1)[0][0]
 
q = "8 işçi 6 saatte 1 duvar örüyor. 4 işçi aynı duvarı kaç saatte örer?"
print("Final:", self_consistency(q, n=5))