Head-to-head · B2B data

AI Ark vs Cognism

Dead heat on metrics won: pick on the dimension you buy. Same frozen test sets, same run; the better value in each row is highlighted.

AI Ark

B2B people and company database with lookalike and semantic search, emails verified at export by BounceBan, mobile numbers, technographics and personality profiles, through a REST API, an MCP server and a CLI on monthly credit packages.

★ 5.0 · 27 reviewsA

Access: MCP · CLI · API · CSV · Batch · Webhooks

Cognism

Compliance-first sales intelligence with strong European coverage and phone-verified mobiles.

★ 4.5 · 1,628 reviewsB

Access: MCP · API · Dataset · CSV · Batch · Integrations

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #10 of 29	Cognism · #24 of 29
Match rate	69.4%	66.1%
Valid email rate	64.7%	-
Latency p50	3,315ms	-
Cost / valid email	$0.0045	-
Invalid rate	0.0%	-
Catch-all share	35.3%	-
Business email	100.0%	-
Right-person rate	100.0%	-
Decoy hit rate	0.0%	-
Catch-all detection	16.7%	-
Confidence-score quality	+68.8 pts	-
Geographic coverage	8	-

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #14 of 24	Cognism · #5 of 24
Match rate	51.0%	73.5%
Valid / reachable rate	88.0%	-
Latency p50	1,006ms	-
Cost / mobile number	$0.017	-
Right-person rate	95.2%	-
Mobile coverage	44.9%	-
Disconnected rate	0.0%	-
Low-activity share	12.0%	-
Landline / mobile classification	96.0%	-
Country accuracy	92.0%	-
Geographic coverage	4	-

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #6 of 24	Cognism · not measured
Profile match rate	95.9%	-
Identity accuracy	97.9%	-
Latency p50	1,469ms	-
Price / matched profile	$0.0015	-
Current employer accuracy	95.7%	-
Move detection	69.2%	-
Decoy hit rate	0.0%	-
Job title accuracy	87.2%	-
Seniority label accuracy	80.4%	-
Location accuracy	95.7%	-
Work history completeness	7.7	-
Education completeness	100.0%	-
Skills present	91.5%	-
Social / profile URLs	100.0%	-
Coverage by geo / function / seniority	83.3%	-

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #3 of 23	Cognism · not measured
Domain-to-company match rate	99.0%	-
Company name accuracy	97.0%	-
Latency p50	1,158ms	-
Price / matched company	$0.0003	-
Industry accuracy	77.8%	-
Employee count ±20%	27.0%	-
HQ / location accuracy	85.9%	-
Description present	100.0%	-
Founding year accuracy	75.8%	-
Domains / social profiles	98.0%	-
Coverage by country / size	95.0%	-

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #2 of 10	Cognism · not measured
Coverage	96.0%	-
Detection accuracy	54.0%	-
Latency p50	1,158ms	-
Cost / lookup	$0.0003	-
Live stack recall	39.9%	-
Technologies per domain	38	-
Dated results	0.0%	-
Coverage by geo / size	80.0%	-

Questions about AI Ark vs Cognism

Which is better, AI Ark or Cognism?

They win the same number of metrics, 1 each, on the 2 benchmarks that measured both: pick on the data you buy. Leaderboard ranks: Email Data: AI Ark #10 of 29, Cognism #24 of 29; Phone Data: AI Ark #14 of 24, Cognism #5 of 24.

How do AI Ark and Cognism compare in user reviews?

AI Ark holds 5.0 / 5 across 27 reviews on G2 and Product Hunt; Cognism holds 4.5 / 5 across 1,628 reviews on G2 and Capterra. Ratings belong to their platforms and play no part in the benchmark grades.

How can you get data out of AI Ark and Cognism?

AI Ark offers an MCP server, a command-line tool, an API, CSV export, batch endpoints and webhooks; Cognism offers an MCP server, an API, dataset delivery, CSV export, batch endpoints and native integrations. Both offer an MCP server, an API, CSV export and batch endpoints.