MT-Bench
80 curated multi-turn questions across 8 skills, each a two-turn conversation scored by a strong LLM judge on a 1–10 scale.
The 80 two-turn questions are fixed, public, and heavily exercised across research and leaderboards, so the test set is both widely memorized and increasingly saturated (top models score 8.5–9.0 on a 1–10 scale where 9 is a realistic ceiling). It remains a standard, still-discriminative LLM-judge eval, but the fixed set is the constraint: refreshed or held-out variants are the future direction.
Performance Timeline
Longitudinal progression of model scores against human baselines.Performance & Historical Trajectory
Empirical score progression across model release dates and evaluation rounds.
| Model | Score | Date | Source Type | Provenance |
|---|---|---|---|---|
| GPT-4 | 8.99% | 2023-06-09 | independent | Source ↗ |
Human Baseline & Difficulty Horizon
Calibrated human reference points, specialist benchmarks, and ceiling thresholds.Human annotator agreement rate on multi-turn conversational dialogue quality.
Metric & Scoring Methodology
Verification protocols, aggregation formulas, and specialized metric variants.average judge score (1–10)Dataset & Compute Cost
Evaluation volume, public availability, API pricing, and local hardware requirements.$5 – $20 USD for full benchmark evaluation run on frontier APIs.
1x NVIDIA RTX 4090 (24GB) or A100 (40GB/80GB) via vLLM / SGLang
How to Run & Reproduce
Standardized evaluation protocols, CLI commands, and reproducible runner templates.lm_eval --model hf --model_args pretrained=<model_path> --tasks mt-bench --batch_size autoopencompass --datasets mt-bench --models <model_config># Standard API Evaluation Loop
from openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(
model="gpt-4o",
messages=[{"role": "user", "content": prompt}],
temperature=0.0,
)When publishing results for MT-Bench, always report the exact prompt template, few-shot exemplar ordering, sampling temperature (temperature=0), maximum reasoning budget tokens, and the precise timestamped model snapshot ID.
Contamination & Memorization Analysis
Audit of pretraining exposure risks, memorization vectors, and refresh policies.Static fixed snapshot
Public on web / HuggingFace