LibreAI / AI Agents / autoevals
// agents · braintrustdata/autoevals

autoevals

Fast, best-practice evaluations for AI model outputs.

★ 1.1k stars⑂ 88 forksMITupdated 2026-10
▦ visual — this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
// project facts

Project facts

autoevals is an open-source ai agents project by braintrustdata (braintrustdata/autoevals on GitHub). It has 1,050 GitHub stars and 88 forks, is released under the MIT license, and was last updated on GitHub on 7 October 2026.

GitHub stars
1,050
Forks
88
License
MIT
Last updated on GitHub
7 October 2026
Category
AI Agents
Listing
Full install guide
// how it works

How it works

  1. Define the job

    Write down the task or workflow you want the agent to handle.

  2. Get the code

    Clone the repository and read the README's prerequisites.

  3. Set up your environment

    Install dependencies and configure keys or endpoints.

  4. Try the quickstart

    Run the sample script and check the output against the docs.

// features

Why people love it

Ready-made scorers

Common eval patterns out of the box.

Best practices

Braintrust's eval expertise packaged.

Lightweight

A library, not a platform.

LLM-as-judge

Use models to score models.

Python-native

Drops into test suites.

MIT licensed

Free for any use.

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// run it

Run it yourself

  1. Step 1 - Clone the repo

    Download the source and move into the project folder.

    git clone https://github.com/braintrustdata/autoevals.git
    cd autoevals
  2. Step 2 - Install dependencies

    Create a virtual environment and install the requirements.

    python -m venv .venv && source .venv/bin/activate
    pip install -r requirements.txt
  3. Step 3 - Run an example

    Treat these as starting points - the README documents the exact commands.

    python examples/quickstart.py
// use cases

What you can build

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// faq

Questions, answered

Who is behind autoevals?

The project lives at braintrustdata/autoevals and has attracted 88 forks. Browse its commit history and contributor list for a sense of maintenance pace.

Is autoevals free to use?

Yes - it is MIT licensed, so you can use, modify, and distribute it freely, including in commercial projects.

Do I need a paid API to use it?

Running the evaluation is free; the model under test may use your own paid API keys.

AutoEvals vs Harbor?

AutoEvals is a lightweight scoring library; Harbor is a full evaluation framework. Start with AutoEvals for quick scoring, graduate to Harbor for a complete eval program.

Where should I start?

The README and the official docs site are the fastest path: run the quickstart example first, then adapt it to your use case.

// keep exploring

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// alternatives

Alternatives in AI Agents

The most-starred other AI Agents projects in the LibreAI catalogue — the realistic shortlist if autoevals is not the right fit.

Get autoevals

Free and open — grab the source, star the repo, and start creating.