Top 9 Sixtyfour Competitors & Alternatives in 2026
Updated onFind more companies/brands/products like Sixtyfour. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
Sixtyfour
Sixtyfour is a San Francisco–based AI platform that provides custom research agents and enrichment APIs to help sales, recruiting, and strategy teams discover, map, and act on people and company data.
Competitors
#1Est. 2015 • 51-200 employees • PrivatePeople Data Labs
Best for SMBsProvides large-scale people datasets and developer-focused APIs for person enrichment, identity resolution, and data-driven products.
#2Est. 2024 • 2-10 employees • PrivatePearch AI
Best for SMBsPearch AI is a natural-language people search and candidate sourcing API that powers ATS, HR tech and recruiting platforms with AI-driven matching over a global database of professional profiles.
Starts at $200 / 10,000 credits / other
#3Est. 2023 • 2-10 employees • PrivateEnrichment API
Best for SMBsEnrichment API is a SaaS platform that provides RESTful data enrichment APIs to retrieve fresh, detailed company, employee, and person data from public web sources on demand.
Starts at $99 / 25K credits / month
Has a free trial
#4Est. 2007 • 11-50 employees • PrivateBuiltWith
Best for mid-market companiesBuiltWith is a web-technology intelligence and lead-generation platform that identifies which technologies websites use and provides market trends, datasets, and sales intelligence.
Starts at $295 / month
#5Est. 2015 • 201-1k employees • PrivateApollo
Best for SMBsSales intelligence and engagement platform combining a large B2B contact database with outreach and engagement tools.
Starts at $49 / per user / month
Has a free trial
Est. 2025 • 1 employee • PrivateChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. Like having a full-time competitive intelligence analyst.
Starts at $39 / month
Has a free trial
#6Est. 2016 • 201-1k employees • PrivateLusha
Best for SMBsCrowdsourced B2B contact data and prospecting tools that provide verified email and phone information for sales teams.
Starts at $49 / per user / month
Has a free trial
#7Est. 2017 • 51-200 employees • PrivateClay
Best for SMBsClay is a go-to-market data and automation platform that lets teams enrich leads from 100+ data providers and use AI to automate personalized outreach and workflows.
Starts at $0 / month
Has a free trial
#8Est. 2024 • 2-10 employees • PrivateVitae.ai
Best for SMBsVitae.ai is an AI-native recruitment operating system that combines AI agents, candidate sourcing, multi-channel outreach, and an ATS/CRM to help staffing agencies and in-house hiring teams automate their end-to-end hiring workflows.
Starts at $499 / organization / month
Has a free trial
#9Est. 2022 • 51-200 employees • PrivateBeam AI
Best for enterprisesBeam AI is an enterprise-focused platform that provides self-learning AI agents and an agent operating system to automate complex business workflows and help organizations become AI-native.
Starts at $990 / month
Has a free trial
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