KuMMLU / eval /evaluate.py
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KuMMLU v1.0.0
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#!/usr/bin/env python3
"""
Evaluate a chat model on KuMMLU.
Works with any OpenAI-compatible chat-completions endpoint: OpenRouter (default),
OpenAI, or a local server such as vLLM / llama.cpp / Ollama (--base-url).
export OPENROUTER_API_KEY=...
python evaluate.py --model google/gemini-2.5-flash
python evaluate.py --model my-model --base-url http://localhost:8000/v1 --api-key none
python evaluate.py --model openai/gpt-4o --limit 50 # smoke test
Protocol (as in the KuMMLU paper): every question's options are shuffled with a
fixed per-question seed and labelled 0..N-1; the chosen number is parsed from the reply.
"""
import argparse, asyncio, glob, json, os, random, re, sys
from collections import defaultdict
import aiohttp
SEED = 42
SYSTEM_PROMPT = ("You are taking a multiple choice exam in Kurdish. "
"Respond with ONLY the number of the correct answer. No explanation.")
HERE = os.path.dirname(os.path.abspath(__file__))
def load_questions(data_dir=None, hf_repo=None):
if hf_repo:
from datasets import load_dataset
return list(load_dataset(hf_repo, "all", split="test"))
data_dir = data_dir or os.path.join(HERE, "..", "data")
rows = []
for path in sorted(glob.glob(os.path.join(data_dir, "*.jsonl"))):
with open(path, encoding="utf-8") as f:
rows.extend(json.loads(line) for line in f)
return rows
def present(q):
"""Return (choices in presentation order, index of the correct choice)."""
order = list(range(len(q["choices"])))
random.Random(f"{SEED}:{q['id']}").shuffle(order)
return [q["choices"][i] for i in order], order.index(q["answer"])
def format_prompt(question, choices):
lines = "\n".join(f"{i}: {c}" for i, c in enumerate(choices))
return (f"Question: {question}\n\nChoices:\n{lines}\n\n"
f"Answer with a single number from 0 to {len(choices) - 1}:")
def extract_answer(text, n):
"""Chosen index from a model response; tolerates reasoning text. None if unparsable."""
if not text:
return None
valid = {str(i) for i in range(n)}
t = text.strip()
if t in valid:
return int(t)
for line in reversed(t.splitlines()):
digits = [d for d in re.findall(r"\d", line) if d in valid]
if digits:
return int(digits[-1] if len(digits) == 1 else digits[0])
return None
async def ask(session, args, prompt, retries=5):
payload = {"model": args.model, "temperature": 0, "max_tokens": args.max_tokens,
"messages": [{"role": "system", "content": SYSTEM_PROMPT},
{"role": "user", "content": prompt}]}
if args.reasoning == "off":
payload["reasoning"] = {"enabled": False}
elif args.reasoning != "default":
payload["reasoning"] = {"effort": args.reasoning}
url = args.base_url.rstrip("/") + "/chat/completions"
for attempt in range(retries):
try:
async with session.post(url, json=payload) as r:
if r.status == 200:
data = await r.json()
return ((data.get("choices") or [{}])[0].get("message") or {}).get("content")
if r.status == 429 or r.status >= 500:
await asyncio.sleep(2 ** attempt)
continue
print(f"HTTP {r.status}: {(await r.text())[:200]}", file=sys.stderr)
return None
except (aiohttp.ClientError, asyncio.TimeoutError):
await asyncio.sleep(1 + attempt)
return None
async def run(args):
questions = load_questions(args.data_dir, args.hf_repo)
if args.limit:
questions = questions[: args.limit]
key = args.api_key or os.environ.get("OPENROUTER_API_KEY") or os.environ.get("OPENAI_API_KEY")
if not key:
sys.exit("Set OPENROUTER_API_KEY (or pass --api-key; use --api-key none for local servers).")
headers = {"Authorization": f"Bearer {key}", "Content-Type": "application/json"}
sem = asyncio.Semaphore(args.concurrency)
timeout = aiohttp.ClientTimeout(total=args.timeout)
async def one(session, q):
choices, gold = present(q)
async with sem:
raw = await ask(session, args, format_prompt(q["question"], choices))
pred = extract_answer(raw, len(choices))
return {"id": q["id"], "subject": q["subject"], "source": q["source"],
"gold_shuffled": gold, "predicted_shuffled": pred,
"correct": pred == gold, "raw_tail": (raw or "")[-80:] or None}
async with aiohttp.ClientSession(headers=headers, timeout=timeout) as session:
results = await asyncio.gather(*(one(session, q) for q in questions))
summary = summarize(results)
summary.update(model=args.model, reasoning=args.reasoning)
os.makedirs(args.out_dir, exist_ok=True)
stem = os.path.join(args.out_dir, args.model.replace("/", "__"))
with open(stem + ".jsonl", "w", encoding="utf-8") as f:
for r in results:
f.write(json.dumps(r, ensure_ascii=False) + "\n")
with open(stem + ".summary.json", "w", encoding="utf-8") as f:
json.dump(summary, f, ensure_ascii=False, indent=2)
print(json.dumps({k: summary[k] for k in ("model", "accuracy", "native_accuracy",
"translated_accuracy", "response_rate")}, indent=2))
print(f"saved {stem}.jsonl and .summary.json")
def summarize(results):
def acc(rows):
return round(100 * sum(r["correct"] for r in rows) / len(rows), 2) if rows else None
by_subject = defaultdict(list)
for r in results:
by_subject[r["subject"]].append(r)
answered = [r for r in results if r["predicted_shuffled"] is not None]
return {
"questions": len(results),
"accuracy": acc(results),
"native_accuracy": acc([r for r in results if r["source"] == "native"]),
"translated_accuracy": acc([r for r in results if r["source"] == "translated"]),
"macro_accuracy": round(sum(acc(v) for v in by_subject.values()) / len(by_subject), 2),
"response_rate": round(100 * len(answered) / len(results), 2),
"accuracy_on_answered": acc(answered),
"by_subject": {s: acc(v) for s, v in sorted(by_subject.items())},
}
def main():
p = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
p.add_argument("--model", required=True)
p.add_argument("--base-url", default="https://openrouter.ai/api/v1")
p.add_argument("--api-key")
p.add_argument("--reasoning", default="default",
help="default | off | low | medium | high (OpenRouter reasoning control)")
p.add_argument("--max-tokens", type=int, default=512)
p.add_argument("--concurrency", type=int, default=8)
p.add_argument("--timeout", type=int, default=120)
p.add_argument("--limit", type=int)
p.add_argument("--data-dir", help="folder with the *.jsonl files (default: ../data)")
p.add_argument("--hf-repo", help="load from the Hugging Face Hub instead, e.g. akam-ot/KuMMLU")
p.add_argument("--out-dir", default="outputs")
asyncio.run(run(p.parse_args()))
if __name__ == "__main__":
main()