The best options for a RevOps lead architecting the outbound stack are Otto, which drives the data and sending tools already in the budget rather than adding a new metered line, Clay, the per-action table most teams already run, and Apollo, the contract most teams already hold. Vendr's data on 101 recorded Apollo.io purchases puts the median annual contract at $19,000, the kind of line item this page is written for.
How we judged this stack for RevOps
We weighed what each option actually costs or meters, who holds the budget for it, and where it falls short, Otto included.
The 3 best options for a RevOps lead
Otto
At a glance:
Price: Not published.
Best for: A RevOps lead who wants one agent driving the providers already under contract, Claude, Apify, Prospeo, Hunter, Reoon, Apollo, Instantly and Ordinal are named on Otto's own site, instead of adding a separate metered tool.
Cons: No recorded figure yet compares a run's spend to the cost of the tools it drives, and Otto's own price isn't published.
Clay
At a glance:
Price: Free tier (500 actions, 100 data credits/month); Launch from $167/month (15,000 actions, 3,000 data credits); Growth from $446/month (40,000 actions, 6,000 data credits). (Clay's own pricing page.)
Best for: A team that wants a visual enrichment table with a published per-tier price; GTME Pulse's 2026 analysis found a median salary of $132K for the GTM Engineer roles that typically run it.
Cons: Every enrichment call draws down a metered action or data-credit balance, even on the top published tier.
Apollo
At a glance:
Price: No published self-serve rate. Vendr's data on 101 recorded purchases puts the median annual contract at $19,000, ranging $4,284 to $45,000.
Best for: A RevOps lead who wants a single annual contract line instead of a per-action meter; Apollo's own site states 500,000+ companies use it.
Cons: The contract is negotiated, not fixed, Vendr's buyers in that dataset saved 30% on average by negotiating, so the number that lands on the budget isn't the number on the sticker.
Architecting the stack: what actually changes the budget line
The RevOps decision here isn't which tool is "best" in the abstract, it's which cost structure the budget can predict: Clay's per-action and data-credit meter, Apollo's negotiated annual contract, or Otto driving the providers already in place without adding a new metered line of its own (Otto's price is not yet published, so this is a structural point, not a cost comparison).
See Apollo alternatives for more options on the Apollo line specifically.
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Frequently asked questions
What's a realistic annual cost for Apollo?
Vendr's data on 101 recorded purchases puts the median annual contract at $19,000, ranging $4,284 to $45,000.
Does Clay's price scale predictably?
Clay's own pricing page lists fixed tiers (free, $167/month, $446/month), but every actual enrichment call still draws down a metered action or data-credit balance within whichever tier you're on.
Is Apollo's sticker price what we'll actually pay?
Not necessarily. Vendr's buyers in its 101-purchase dataset saved 30% on average by negotiating off the listed figures.
Does Otto add a new metered cost on top of Clay or Apollo?
Otto has no published price. What is published is that it drives providers like Apollo directly rather than billing a separate credit balance of its own.
What's the median salary for the role that usually runs this stack?
GTME Pulse's 2026 analysis puts the median salary for open GTM Engineer roles at $132K.
Otto runs marketing agents that learn what makes your customers buy.
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