Head-to-head · B2B data

AI Ark vs Coresignal

AI Ark wins 25 of 39 decided metrics across 4 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

Coresignal live

Structured public-web B2B datasets (employees, companies, jobs) with API, MCP and agentic search, a real-time employee endpoint that fetches at request time, and gated contact enrichment.

★ 4.8 · 12 reviewsA

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

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #10 of 29	Coresignal · #27 of 29
Match rate	69.4%	55.1%
Valid email rate	64.7%	37.0%
Latency p50	3,315ms	928ms
Cost / valid email	$0.0045	$0.654
Invalid rate	0.0%	25.9%
Catch-all share	35.3%	33.3%
Business email	100.0%	100.0%
Right-person rate	100.0%	100.0%
Decoy hit rate	0.0%	0.0%
Catch-all detection	16.7%	11.1%
Confidence-score quality	+68.8 pts	-16.7 pts
Geographic coverage	8	3

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #14 of 24	Coresignal · not in suite
Match rate	51.0%	-
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	Coresignal · #5 of 24
Profile match rate	95.9%	98.0%
Identity accuracy	97.9%	97.9%
Latency p50	1,469ms	928ms
Price / matched profile	$0.0015	$0.133
Current employer accuracy	95.7%	93.8%
Move detection	69.2%	100.0%
Decoy hit rate	0.0%	0.0%
Job title accuracy	87.2%	77.1%
Seniority label accuracy	80.4%	82.1%
Location accuracy	95.7%	95.8%
Work history completeness	7.7	7.0
Education completeness	100.0%	87.5%
Skills present	91.5%	95.8%
Social / profile URLs	100.0%	100.0%
Coverage by geo / function / seniority	83.3%	83.3%

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #3 of 23	Coresignal · #19 of 23
Domain-to-company match rate	99.0%	97.0%
Company name accuracy	97.0%	93.8%
Latency p50	1,158ms	1,039ms
Price / matched company	$0.0003	$0.133
Industry accuracy	77.8%	78.4%
Employee count ±20%	27.0%	27.4%
HQ / location accuracy	85.9%	80.4%
Description present	100.0%	97.9%
Founding year accuracy	75.8%	59.8%
Domains / social profiles	98.0%	97.9%
Coverage by country / size	95.0%	94.3%

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	AI Ark · #2 of 10	Coresignal · #8 of 10
Coverage	96.0%	86.0%
Detection accuracy	54.0%	32.1%
Latency p50	1,158ms	1,039ms
Cost / lookup	$0.0003	$0.150
Live stack recall	39.9%	14.6%
Technologies per domain	38	51
Dated results	0.0%	100.0%
Coverage by geo / size	80.0%	75.0%

Questions about AI Ark vs Coresignal

Which is better, AI Ark or Coresignal?

AI Ark wins 25 of the 39 metrics decided between them, across 4 benchmarks that measured both. Leaderboard ranks: Email Data: AI Ark #10 of 29, Coresignal #27 of 29; People Data: AI Ark #6 of 24, Coresignal #5 of 24; Company Data: AI Ark #3 of 23, Coresignal #19 of 23; Technographic Data: AI Ark #2 of 10, Coresignal #8 of 10.

Which is cheaper, AI Ark or Coresignal?

Measured on the list price of each provider's central self-serve pack, divided by what it actually returned: Email Data, cost per valid email: AI Ark $0.0045, Coresignal $0.654; People Data, price per matched profile: AI Ark $0.0015, Coresignal $0.133; Company Data, price per matched company: AI Ark $0.0003, Coresignal $0.133; Technographic Data, cost per lookup: AI Ark $0.0003, Coresignal $0.150.

How do AI Ark and Coresignal compare in user reviews?

AI Ark holds 5.0 / 5 across 27 reviews on G2 and Product Hunt; Coresignal holds 4.8 / 5 across 12 reviews on Datarade. Ratings belong to their platforms and play no part in the benchmark grades.

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

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