Head-to-head · B2B data

ContactOut vs ZoomInfo

ContactOut wins 2 of 2 decided metrics across 2 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.

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

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	ContactOut · #14 of 29	ZoomInfo · #29 of 29
Match rate	69.4%	52.3%
Valid email rate	64.7%	-
Latency p50	1,024ms	-
Cost / valid email	-	-
Invalid rate	11.8%	-
Catch-all share	20.6%	-
Business email	100.0%	-
Right-person rate	94.1%	-
Decoy hit rate	0.0%	-
Catch-all detection	71.4%	-
Confidence-score quality	+63.5 pts	-
Geographic coverage	9	-

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	ContactOut · #9 of 24	ZoomInfo · #20 of 24
Match rate	85.7%	60.2%
Valid / reachable rate	73.8%	-
Latency p50	490ms	-
Cost / mobile number	-	-
Right-person rate	88.5%	-
Mobile coverage	55.1%	-
Disconnected rate	7.1%	-
Low-activity share	19.0%	-
Landline / mobile classification	-	-
Country accuracy	83.3%	-
Geographic coverage	9	-

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	ContactOut · #11 of 24	ZoomInfo · not measured
Profile match rate	91.8%	-
Identity accuracy	97.8%	-
Latency p50	898ms	-
Price / matched profile	-	-
Current employer accuracy	97.8%	-
Move detection	75.0%	-
Decoy hit rate	0.0%	-
Job title accuracy	86.7%	-
Seniority label accuracy	81.6%	-
Location accuracy	95.6%	-
Work history completeness	8.2	-
Education completeness	100.0%	-
Skills present	91.1%	-
Social / profile URLs	100.0%	-
Coverage by geo / function / seniority	80.0%	-

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	ContactOut · #11 of 23	ZoomInfo · not measured
Domain-to-company match rate	97.0%	-
Company name accuracy	95.9%	-
Latency p50	707ms	-
Price / matched company	-	-
Industry accuracy	77.3%	-
Employee count ±20%	26.0%	-
HQ / location accuracy	93.8%	-
Description present	96.9%	-
Founding year accuracy	69.1%	-
Domains / social profiles	100.0%	-
Coverage by country / size	90.0%	-

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	ContactOut · #7 of 10	ZoomInfo · not measured
Coverage	85.0%	-
Detection accuracy	35.5%	-
Latency p50	707ms	-
Cost / lookup	-	-
Live stack recall	37.1%	-
Technologies per domain	80	-
Dated results	0.0%	-
Coverage by geo / size	70.0%	-

Questions about ContactOut vs ZoomInfo

Which is better, ContactOut or ZoomInfo?

ContactOut wins 2 of the 2 metrics decided between them, across 2 benchmarks that measured both. Leaderboard ranks: Email Data: ContactOut #14 of 29, ZoomInfo #29 of 29; Phone Data: ContactOut #9 of 24, ZoomInfo #20 of 24.

How do ContactOut and ZoomInfo compare in user reviews?

ContactOut holds 4.5 / 5 across 128 reviews on G2 and Capterra; 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 ContactOut and ZoomInfo?

ContactOut offers an MCP server, an API, CSV export, 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, batch endpoints, webhooks and native integrations.