Head-to-head · B2B data

Coresignal vs ZoomInfo

Coresignal wins 1 of 1 decided metrics across 1 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.

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

ZoomInfo

Enterprise GTM intelligence: contacts, companies, technographics, intent, orchestration; GTM API with OAuth 2.0.

★ 4.5 · 9,460 reviewsB

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

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #27 of 29	ZoomInfo · #29 of 29
Match rate	55.1%	52.3%
Valid email rate	37.0%	-
Latency p50	928ms	-
Cost / valid email	$0.654	-
Invalid rate	25.9%	-
Catch-all share	33.3%	-
Business email	100.0%	-
Right-person rate	100.0%	-
Decoy hit rate	0.0%	-
Catch-all detection	11.1%	-
Confidence-score quality	-16.7 pts	-
Geographic coverage	3	-

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · not in suite	ZoomInfo · #20 of 24
Match rate	-	60.2%
Valid / reachable rate	-	-
Latency p50	-	-
Cost / mobile number	-	-
Right-person rate	-	-
Mobile coverage	-	-
Disconnected rate	-	-
Low-activity share	-	-
Landline / mobile classification	-	-
Country accuracy	-	-
Geographic coverage	-	-

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #5 of 24	ZoomInfo · not measured
Profile match rate	98.0%	-
Identity accuracy	97.9%	-
Latency p50	928ms	-
Price / matched profile	$0.133	-
Current employer accuracy	93.8%	-
Move detection	100.0%	-
Decoy hit rate	0.0%	-
Job title accuracy	77.1%	-
Seniority label accuracy	82.1%	-
Location accuracy	95.8%	-
Work history completeness	7.0	-
Education completeness	87.5%	-
Skills present	95.8%	-
Social / profile URLs	100.0%	-
Coverage by geo / function / seniority	83.3%	-

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #19 of 23	ZoomInfo · not measured
Domain-to-company match rate	97.0%	-
Company name accuracy	93.8%	-
Latency p50	1,039ms	-
Price / matched company	$0.133	-
Industry accuracy	78.4%	-
Employee count ±20%	27.4%	-
HQ / location accuracy	80.4%	-
Description present	97.9%	-
Founding year accuracy	59.8%	-
Domains / social profiles	97.9%	-
Coverage by country / size	94.3%	-

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #8 of 10	ZoomInfo · not measured
Coverage	86.0%	-
Detection accuracy	32.1%	-
Latency p50	1,039ms	-
Cost / lookup	$0.150	-
Live stack recall	14.6%	-
Technologies per domain	51	-
Dated results	100.0%	-
Coverage by geo / size	75.0%	-

Questions about Coresignal vs ZoomInfo

Which is better, Coresignal or ZoomInfo?

Coresignal wins 1 of the 1 metrics decided between them, across 1 benchmark that measured both. Leaderboard ranks: Email Data: Coresignal #27 of 29, ZoomInfo #29 of 29.

How do Coresignal and ZoomInfo compare in user reviews?

Coresignal holds 4.8 / 5 across 12 reviews on Datarade; ZoomInfo holds 4.5 / 5 across 9,460 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 Coresignal and ZoomInfo?

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