# AlpacaEval

AlpacaEval is an AI benchmark; this page records what it measures and traces its data, grader, and scores to primary sources.

Measures instruction-following quality by comparing model responses against references with automated preference judges.

## Details

- Address: Online, Global
- Website: [github.com/tatsu-lab/alpaca\_eval](<https://github.com/tatsu-lab/alpaca_eval>)
- Tags: Helpful, Science
- Category: Reasoning
- Status: Active
- Data licence: Apache-2.0
- Data access: open
- Grader: llm-judge
- Organization: Stanford CRFM
- Released: 2023-05
- Paper: [arxiv.org/abs/2404.04475](<https://arxiv.org/abs/2404.04475>)
- Leaderboard: [tatsu-lab.github.io/alpaca\_eval/](<https://tatsu-lab.github.io/alpaca_eval/>)
- Repository: [github.com/tatsu-lab/alpaca\_eval](<https://github.com/tatsu-lab/alpaca_eval>)
- Task count: 805
- Top-score provenance: unknown
- ABI family: No

## Questions

### Where is AlpacaEval?

AlpacaEval is at Online, Global.

### How do I contact AlpacaEval?

To contact AlpacaEval, visit https://github.com/tatsu-lab/alpaca\_eval.

## Source

From [Benchmark primary sources](https://aibenchmarkindex.com/about), license CC0-1.0, checked 2026-10-15.

Last updated October 15, 2026.

## Links

- This benchmark on the [web page](<https://aibenchmarkindex.com/global/online/alpacaeval>)
- [Reasoning in Online](<https://aibenchmarkindex.com/global/online/category/reasoning.md>)
- [More benchmarks in Online](<https://aibenchmarkindex.com/global/online.md>)

> **Check before you compare.** Benchmark methods and leaderboards change. Follow the cited primary source before using a result in a decision.