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wtf is evals?

patrickjs/evals — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2023-03-16

Audience · developerComplexity · 2/5DormantSetup · moderate

TL;DR

A toolkit for testing how well OpenAI language models perform on specific tasks, letting you compare models like a report card system.

Mindmap

mindmap
  root((repo))
    What it does
      Grades model answers
      Compares model versions
      Hosts public benchmarks
    Tech stack
      YAML config
      OpenAI models
      Snowflake logging
    Use cases
      Test customer support quality
      Contribute new benchmarks
      Track performance over time
    Audience
      AI researchers
      Startups using OpenAI
      Prompt engineers
    Setup
      Template based evals
      No code required

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Confirm that a newer OpenAI model actually answers your specific customer support questions better than an older one.

REASON 2

Build a no-code eval using existing templates and correctly formatted data files.

REASON 3

Contribute a new benchmark dataset to the public registry to help improve model quality.

REASON 4

Log and track eval results over time in Snowflake instead of storing them locally.

What's in the stack?

YAMLOpenAI APISnowflake

How it stacks up

patrickjs/evals0verflowme/alarm-clock0verflowme/seclists
Language—CSS—
Last pushed2023-03-162022-10-032020-05-03
MaintenanceDormantDormantDormant
Setup difficultymoderateeasyeasy
Complexity2/52/51/5
Audiencedevelopervibe coderops devops

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · moderate Time to first run · 30min

Requires an OpenAI API key and correctly formatted YAML/data files to run an eval.

License is not stated in the available content.

Yoink these prompts

Prompt 1
Help me write a YAML eval definition to test whether GPT-4 answers my product's FAQ questions correctly.
Prompt 2
Show me how to use an existing template in this repo to build a no-code eval from my own dataset.
Prompt 3
Walk me through running an eval from this repo's public registry against two different OpenAI models.
Prompt 4
Explain how to write custom evaluation logic in this repo for a task that needs more than simple grading.
Prompt 5
Help me set up Snowflake logging so my team can track eval results over time instead of running locally.

Frequently asked questions

wtf is evals?

A toolkit for testing how well OpenAI language models perform on specific tasks, letting you compare models like a report card system.

Is evals actively maintained?

Dormant — no commits in 2+ years (last push 2023-03-16).

What license does evals use?

License is not stated in the available content.

How hard is evals to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is evals for?

Mainly developer.

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