Clay vs Reply.io

Clay is a go-to-market data platform from a New York company that works like a spreadsheet for prospecting and enrichment. You import or source lists of companies and people, and each column can call an external data provider, an AI agent or a formula, so a row fills itself with firmographics, contact details, technology data and custom research.

Its best-known feature is waterfall enrichment: Clay queries more than 100 providers in sequence until one returns, for example, a verified email, and you spend credits only on results. Claygent is an AI research agent that visits websites and answers custom questions, such as whether a company sells to enterprises or has a free trial. Signals track job changes, hiring and funding, and results sync to CRMs such as HubSpot and Salesforce and to sequencing tools. Plans are tiered by monthly credits, starting with a limited free plan, and credit consumption is the main cost driver.

Clay fits revenue operations teams, outbound sales teams and agencies that work at volume and can invest time in building tables. The learning curve is real, poorly designed tables burn credits, and for a simple lead list it is overkill. Apollo combines a contact database with sequencing in a simpler package, ZoomInfo is the enterprise data incumbent, and Cognism is strong for European contact data. An ecosystem of Clay agencies and consultants has grown around the product because setup skill matters so much.

Reply.io is a sales engagement platform for cold outbound, in business since 2014 and used by more than 3,000 companies. It lets SDRs, founders and agencies build sequences that mix email, LinkedIn, calls, SMS and WhatsApp tasks, find prospects in a built-in B2B database and track every reply in one inbox.

The Email Volume plan focuses on cold email at scale with unlimited emails per active contact, inbox rotation, domain and mailbox purchase, warm-up and deliverability checks. Multichannel adds LinkedIn automation, calling and per-user seats. Jason, the AI SDR, finds prospects, writes personalized emails, answers replies and books meetings, and is sold as its own plan. An Agency plan adds unlimited client workspaces. Live data credits, email validation, extra LinkedIn accounts and calls are add-ons, and CRM sync covers HubSpot, Salesforce, Pipedrive, Copper and Close.

Reply.io suits small and mid-size outbound teams and lead-gen agencies that want email, LinkedIn and AI in one tool at mid-market prices. Outreach and Salesloft are deeper for large enterprise sales orgs, Apollo bundles a bigger contact database with sequencing, and lemlist, Instantly or Smartlead are cheaper if you only send cold email.

Buying tip: pricing is tied to active contacts, meaning unique people who receive a first-step email in a month, not to emails sent. On Email Volume, LinkedIn automation costs $69 and calls and SMS $29 per account a month, so model the add-ons before comparing list prices. Annual billing is cheaper, and there is a 14-day trial.