Head-to-head · B2B data

AI Ark vs ContactOut

AI Ark wins 25 of 43 decided metrics across 5 shared suites; the loser still leads where its column is highlighted. 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

ContactOut

Contact data for recruiting and sales: browser extension, search / enrichment and API, personal and work emails.

★ 4.5 · 128 reviewsB

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

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #10 of 29	ContactOut · #14 of 29
Match rate	69.4%	69.4%
Valid email rate	64.7%	64.7%
Latency p50	3,315ms	1,024ms
Cost / valid email	$0.0045	-
Invalid rate	0.0%	11.8%
Catch-all share	35.3%	20.6%
Business email	100.0%	100.0%
Right-person rate	100.0%	94.1%
Decoy hit rate	0.0%	0.0%
Catch-all detection	16.7%	71.4%
Confidence-score quality	+68.8 pts	+63.5 pts
Geographic coverage	8	9

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #14 of 24	ContactOut · #9 of 24
Match rate	51.0%	85.7%
Valid / reachable rate	88.0%	73.8%
Latency p50	1,006ms	490ms
Cost / mobile number	$0.017	-
Right-person rate	95.2%	88.5%
Mobile coverage	44.9%	55.1%
Disconnected rate	0.0%	7.1%
Low-activity share	12.0%	19.0%
Landline / mobile classification	96.0%	-
Country accuracy	92.0%	83.3%
Geographic coverage	4	9

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #6 of 24	ContactOut · #11 of 24
Profile match rate	95.9%	91.8%
Identity accuracy	97.9%	97.8%
Latency p50	1,469ms	898ms
Price / matched profile	$0.0015	-
Current employer accuracy	95.7%	97.8%
Move detection	69.2%	75.0%
Decoy hit rate	0.0%	0.0%
Job title accuracy	87.2%	86.7%
Seniority label accuracy	80.4%	81.6%
Location accuracy	95.7%	95.6%
Work history completeness	7.7	8.2
Education completeness	100.0%	100.0%
Skills present	91.5%	91.1%
Social / profile URLs	100.0%	100.0%
Coverage by geo / function / seniority	83.3%	80.0%

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #3 of 23	ContactOut · #11 of 23
Domain-to-company match rate	99.0%	97.0%
Company name accuracy	97.0%	95.9%
Latency p50	1,158ms	707ms
Price / matched company	$0.0003	-
Industry accuracy	77.8%	77.3%
Employee count ±20%	27.0%	26.0%
HQ / location accuracy	85.9%	93.8%
Description present	100.0%	96.9%
Founding year accuracy	75.8%	69.1%
Domains / social profiles	98.0%	100.0%
Coverage by country / size	95.0%	90.0%

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #2 of 10	ContactOut · #7 of 10
Coverage	96.0%	85.0%
Detection accuracy	54.0%	35.5%
Latency p50	1,158ms	707ms
Cost / lookup	$0.0003	-
Live stack recall	39.9%	37.1%
Technologies per domain	38	80
Dated results	0.0%	0.0%
Coverage by geo / size	80.0%	70.0%

Questions about AI Ark vs ContactOut

Which is better, AI Ark or ContactOut?

AI Ark wins 25 of the 43 metrics decided between them, across 5 benchmarks that measured both. Leaderboard ranks: Email Data: AI Ark #10 of 29, ContactOut #14 of 29; Phone Data: AI Ark #14 of 24, ContactOut #9 of 24; People Data: AI Ark #6 of 24, ContactOut #11 of 24; Company Data: AI Ark #3 of 23, ContactOut #11 of 23; Technographic Data: AI Ark #2 of 10, ContactOut #7 of 10.

How do AI Ark and ContactOut compare in user reviews?

AI Ark holds 5.0 / 5 across 27 reviews on G2 and Product Hunt; ContactOut holds 4.5 / 5 across 128 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 ContactOut?

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