/
Studio
Products
Models
Pi Scorer
Foundation models designed for scoring
Pi Ranking
Customizable cross encoders for ranking
Pi Embedding
Customizable embeddings for retrieval
Pi User Behaviour Alpha
User engagement prediction models
Solutions
Pi Studio
Align AI judges and rankers
Spreadsheets
Analyze data with your judge
RAG
Custom search for 1m+ docs
LLM Evals
Consistent LLM Evaluation
Observability
Flexible, low overhead monitoring
Resources
Learn
Quickstart
Quickly integrate Pi into your codebase
App Templates
Jumpstart app development
Fundamentals
Fundamentals of quality engineering
Code Examples
Examples of how to use your scorer.
Company
Enterprise
Schedule a meeting with us
Discord
Our official support line
Blog
Latest updates and research
Release Notes
Release notes per each update
Docs
Contact
Sign inSign up
Build aligned Judges and Rankers
Start building with prompts. Align with less than 30 labels.
All Projects Scoring API
Leverage the power of rubrics
Use stable success criteria instead of unstable prompts to tune decision-making.
Pi Score:
0.90
0.70
Avoids Legal Jargon
Does the summary avoid unnecessary legal jargon while retaining essential legal terminology?
0.90
Clarity
Is the summary written in clear and understandable language suitable for a general audience?
Flexible natural language criteria is evaluated with Pi Scorer, our state of the art scoring model designed for judging data.
Upload sources
Extract insights from usage data to determine what signals you're missing.
Align Rubrics
Determine what criteria needs to be evaluated to make choices like your human raters.
Label high-leverage data
Find the most important data to label and generate new rubrics with improved alignment.
Judge and rank just like your users and experts.
Upload unrated logs, requirements, or preferences.
Generate an aligned rubric using our genetic algorithm.
Find faulty criteria by testing your judge against unlabeled and rated data.
Come back once you've collected more data, and customize your judge even further.
Mine labels, logs, PRDs, and system prompts for requirements that actually matter.
Upload in progress...
Your video file is being uploaded. The currently loaded video is the source file.
Build, prune, and shape the corpus of data that most effectively aligns your judge.
Upload in progress...
Your video file is being uploaded. The currently loaded video is the source file.
Measure alignment and criteria health against real data to find ways to improve your rubric.
Upload in progress...
Your video file is being uploaded. The currently loaded video is the source file.
Find the most important data to label. Filter thousands of logs instantly to five you need to review.
Upload in progress...
Your video file is being uploaded. The currently loaded video is the source file.
Pi's foundation models ensure judgements are consistent even when criteria is edited.
Upload in progress...
Your video file is being uploaded. The currently loaded video is the source file.
Build your judge
Talk to an expert Read the docs
HomeDocsPricingSupportStatus
© 2025, Pi Labs Inc.