# People Search Bench

> Open benchmark for evaluating AI-powered people search agents and platforms

People Search Bench is an open evaluation framework and dataset designed to test how accurately AI agents find real people from natural language queries. Rather than relying on subjective LLM-as-a-judge scores, it decomposes queries into verifiable criteria and validates candidates against live web sources across 119 diverse tasks.

Website: https://github.com/LessieAI/people-search-bench

## What it is for

- Evaluate the accuracy and coverage of AI agents in finding professional contacts and leads
- Benchmark search engines and agent tools across recruiting, B2B prospecting, and expert discovery
- Stress-test retrieval workflows on multi-constraint people-search queries

## Features

- 119 benchmark queries spanning four categories: Recruiting, B2B Prospecting, Expert/Deterministic, and Influencer discovery
- Multilingual coverage featuring queries in English, Spanish, Portuguese, and Dutch
- Criteria-grounded scoring pipeline using Tavily web search to verify returned candidates against factual requirements
- Three standardized metrics: Relevance Precision (padded nDCG@10), Effective Coverage, and Information Utility
- Head-to-head comparisons across tools like Lessie, Exa, Juicebox, and Claude Code

## Pricing

Open source. Free and open source (MIT license)

## Details

- Type: Article or course
- Category: [AI](https://xiry.app/topics/ai.md)
- Open source: yes
- Platforms: Code library
- For: AI researchers, agent developers, and B2B data tooling engineers
- Alternative to: MT-Bench
- Tags: benchmark, ai agents, people search, lead generation, evaluation, prospecting

## Why it was saved

- [@jasonzhou1993, 1 September 2026](https://x.com/jasonzhou1993/status/2094740336895840605): Independent-looking benchmark the results are measured against; Claude Code alone 43% vs Claude Code + treg 78.2%.

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Updated 10 October 2026. Page: https://xiry.app/resources/people-search-bench

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