Head-to-head · B2B data

Fiber AI vs ZoomInfo

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.

Fiber AI live

B2B search and enrichment API with waterfall contact reveal, job-posting search and live LinkedIn profile and company fetch, over REST, official SDKs and MCP.

No public reviews

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

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	Fiber AI · #16 of 29	ZoomInfo · #29 of 29
Match rate	77.6%	52.3%
Valid email rate	63.2%	-
Latency p50	17,360ms	-
Cost / valid email	$0.057	-
Invalid rate	2.6%	-
Catch-all share	31.6%	-
Business email	100.0%	-
Right-person rate	97.4%	-
Decoy hit rate	0.0%	-
Catch-all detection	-	-
Confidence-score quality	-	-
Geographic coverage	8	-

Phone Datacore + suite-specific metrics

updated 2026-09-25

Metric	Fiber AI · #18 of 24	ZoomInfo · #20 of 24
Match rate	46.9%	60.2%
Valid / reachable rate	78.3%	-
Latency p50	4,967ms	-
Cost / mobile number	$0.069	-
Right-person rate	73.7%	-
Mobile coverage	36.7%	-
Disconnected rate	0.0%	-
Low-activity share	21.7%	-
Landline / mobile classification	100.0%	-
Country accuracy	91.3%	-
Geographic coverage	5	-

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	Fiber AI · #10 of 24	ZoomInfo · not measured
Profile match rate	95.9%	-
Identity accuracy	97.9%	-
Latency p50	1,136ms	-
Price / matched profile	$0.036	-
Current employer accuracy	89.4%	-
Move detection	94.2%	-
Decoy hit rate	0.0%	-
Job title accuracy	78.7%	-
Seniority label accuracy	20.5%	-
Location accuracy	95.7%	-
Work history completeness	7.8	-
Education completeness	100.0%	-
Skills present	57.4%	-
Social / profile URLs	100.0%	-
Coverage by geo / function / seniority	83.3%	-

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	Fiber AI · #7 of 23	ZoomInfo · not measured
Domain-to-company match rate	100.0%	-
Company name accuracy	95.0%	-
Latency p50	1,131ms	-
Price / matched company	$0.036	-
Industry accuracy	77.0%	-
Employee count ±20%	27.0%	-
HQ / location accuracy	85.0%	-
Description present	97.0%	-
Founding year accuracy	69.0%	-
Domains / social profiles	100.0%	-
Coverage by country / size	100.0%	-

Live Profile Datacore + suite-specific metrics

updated 2026-09-26

Metric	Fiber AI · #3 of 5	ZoomInfo · not in suite
Current-job accuracy	93.1%	-
Fetch success	98.0%	-
Latency p50	5,381ms	-
Cost / profile	$0.037	-
Move detection	94.2%	-
Still at previous employer	4.8%	-
Control accuracy	91.8%	-
Work history completeness	8.6	-
Education completeness	99.0%	-

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	Fiber AI · #10 of 10	ZoomInfo · not measured
Coverage	83.0%	-
Detection accuracy	18.0%	-
Latency p50	1,131ms	-
Cost / lookup	$0.043	-
Live stack recall	6.6%	-
Technologies per domain	3	-
Dated results	0.0%	-
Coverage by geo / size	65.0%	-

Questions about Fiber AI vs ZoomInfo

Which is better, Fiber AI or ZoomInfo?

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: Fiber AI #16 of 29, ZoomInfo #29 of 29; Phone Data: Fiber AI #18 of 24, ZoomInfo #20 of 24.

How do Fiber AI and ZoomInfo compare in user reviews?

Fiber AI has no public reviews on G2, Capterra, TrustRadius or Trustpilot; 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 Fiber AI and ZoomInfo?

Fiber AI offers an MCP server, an API, dataset delivery, CSV export, batch endpoints and webhooks; 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, dataset delivery, CSV export, batch endpoints and webhooks.