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
#1 Est. 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.
#2 Est. 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
#3 Est. 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
#4 Est. 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
#5 Est. 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 • Private
ChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal is a competitive intelligence suite for early-stage B2B SaaS founders. Make sharper calls on pricing, positioning, and GTM.
Starts at $39 / month
Has a free trial
#6 Est. 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
#7 Est. 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
#8 Est. 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
#9 Est. 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
Go Deeper
A competitor list is just the start
Go from list to strategy. See how each competitor positions themselves, who they target, and where the gaps are.
Competitive Intelligence Report
22 pages of competitive intelligence. Built for founders who need sharp market context without hiring an analyst.
$129
Everything you get in your report:
Pricing Fully Exposed
See exactly what competitors charge, their tiers, trials, and guarantees.
Feature Matrix: Build vs Skip
Table stakes every competitor has. Differentiators only 1-2 have.
Reviews You Can Use
Real quotes from G2, Capterra, Trustpilot, and TrustRadius. Ready for your site, demos, and positioning.
10 Competitors Mapped
Direct, indirect, and alternatives. Positioning, ICP, and differentiators.
SEO Gaps Worth Targeting
Keywords they rank for, you don't. With "Quick Win" tags.
Their Best-Performing Ads
Top-performing Google & Meta ads. Landing page screenshots with CTAs.
15+ Data Sources
APIs, LLMs, scrapers. Data ChatGPT can't access.