Llama-3-Instruct-8B-SimPO-ExPO — benchmark results
chujiezheng's ExPO weight extrapolation of Princeton NLP's SimPO-tuned Llama 3 8B Instruct, nudging alignment beyond the original checkpoint. Provider: Meta. Released 2024-05-26. Access: Open.
Unified ELO 1452 ± 33, rank #990 of 1776 rated models, from 8 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| AlpacaEval 2.0 | 45.78 | LC Win Rate (%) | 84.7 |
| Open LLM Leaderboard - IFEval | 64.34 | Score | 76.8 |
| Open LLM Leaderboard - MMLU-Pro | 26.68 | Score | 48.9 |
| Open LLM Leaderboard - MuSR | 9.5 | Score | 46.3 |
| Open LLM Leaderboard - GPQA | 4.92 | Score | 41.7 |
| WildBench | 35.02 | WB Score Task-Macro | 40.3 |
| Open LLM Leaderboard - BBH | 25.87 | Score | 40 |
| Open LLM Leaderboard - MATH Level 5 | 7.02 | Score | 37.5 |
Interactive version: theaggregate.ai/model?slug=llama-3-instruct-8b-simpo-expo · How the rankings work · Data refreshed daily, snapshot 2026-07-22.