For brand and marketing leaders tracking AI-driven discovery, Evertune is an AI Brand Index platform that runs 100,000+ prompts per report across nine AI engines to score how often and prominently your brand surfaces in answers.
Presence & Market Position
Tracked · below panel floor — earned mentions are accruing toward the next scored window.
Measures earned, engagement-weighted share of voice across the GTM voices panel. Methodology →
Evertune's strategic position is the rigor play in AI brand measurement: repeated, high-volume prompt sampling across nine AI engines, built by a team with adtech pedigree, then extended from measurement into media buying through an ad agent for ChatGPT and retargeting tied to AI research behavior. The active conversation around the brand centers on a methodology debate, with leadership pressing the case that heavy-repetition sampling produces tighter, more decision-useful visibility scores than lighter-touch approaches, argued publicly in front of large marketer audiences. It's a category-debate presence more than a practitioner-workflow one, early relative to its broader conversation footprint.
Limy AI
AthenaHQ
Searchable
OtterlyAI
NobleRoku, WPP, Athenahealth, Virgin Voyages, HexClad
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Business Profile
Evertune launched from stealth in October 2024, founded in New York by early Trade Desk employees including CEO Brian Stempeck. The company raised $19M across a $4M seed (Eniac, 2024) and a $15M Series A (Felicis, August 2025), reaching roughly $3.4M in 2025 revenue on a team of 31 before Impact Tech, the company behind impact.com, acquired it in December 2025, folding Evertune's AI search-visibility measurement into impact.com's affiliate network as Partner Connect. Evertune has kept shipping under its own name since, extending into programmatic, B2B partner, and paid-placement channels through mid-2026 and earning a spot in Gartner's inaugural answer-engine visibility market guide.
Agent Readiness
Measures how easily your agents can build on it — API, MCP, CLI, SDK, docs depth. Methodology →
Evertune has built its own agent — Visibility Boost, an invite-only tool that finds queries where a brand isn't being recommended by ChatGPT and manages the ad placement and campaigns to close that gap. That's an agent Evertune operates for customers, not a surface for outside developers or agents to build on: no public API, MCP server, or Claude/ChatGPT app-store listing is on file yet.
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