Head-to-head · B2B data

Diffbot vs Fiber AI

Fiber AI wins 16 of 25 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.

Diffbot

Web-scale Knowledge Graph built by crawling the public web: Enhance matches people and organizations, DQL searches entities including job posts, with an optional re-crawl of sources.

★ 4.9 · 29 reviewsA

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

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

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	Diffbot · not in suite	Fiber AI · #16 of 29
Match rate	-	77.6%
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	Diffbot · not in suite	Fiber AI · #18 of 24
Match rate	-	46.9%
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	Diffbot · #14 of 24	Fiber AI · #10 of 24
Profile match rate	85.0%	95.9%
Identity accuracy	100.0%	97.9%
Latency p50	7,232ms	1,136ms
Price / matched profile	$0.022	$0.036
Current employer accuracy	68.6%	89.4%
Move detection	25.0%	94.2%
Decoy hit rate	20.0%	0.0%
Job title accuracy	49.0%	78.7%
Seniority label accuracy	-	20.5%
Location accuracy	86.3%	95.7%
Work history completeness	6.2	7.8
Education completeness	90.2%	100.0%
Skills present	72.5%	57.4%
Social / profile URLs	94.1%	100.0%
Coverage by geo / function / seniority	60.0%	83.3%

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	Diffbot · #10 of 23	Fiber AI · #7 of 23
Domain-to-company match rate	99.0%	100.0%
Company name accuracy	94.9%	95.0%
Latency p50	1,127ms	1,131ms
Price / matched company	$0.022	$0.036
Industry accuracy	83.8%	77.0%
Employee count ±20%	69.9%	27.0%
HQ / location accuracy	82.8%	85.0%
Description present	100.0%	97.0%
Founding year accuracy	73.7%	69.0%
Domains / social profiles	94.9%	100.0%
Coverage by country / size	95.0%	100.0%

Live Profile Datacore + suite-specific metrics

updated 2026-09-26

Metric	Diffbot · not in suite	Fiber AI · #3 of 5
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	Diffbot · not measured	Fiber AI · #10 of 10
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 Diffbot vs Fiber AI

Which is better, Diffbot or Fiber AI?

Fiber AI wins 16 of the 25 metrics decided between them, across 2 benchmarks that measured both. Leaderboard ranks: People Data: Diffbot #14 of 24, Fiber AI #10 of 24; Company Data: Diffbot #10 of 23, Fiber AI #7 of 23.

Which is cheaper, Diffbot or Fiber AI?

Measured on the list price of each provider's central self-serve pack, divided by what it actually returned: People Data, price per matched profile: Diffbot $0.022, Fiber AI $0.036; Company Data, price per matched company: Diffbot $0.022, Fiber AI $0.036.

How do Diffbot and Fiber AI compare in user reviews?

Diffbot holds 4.9 / 5 across 29 reviews on G2; Fiber AI has no public reviews on G2, Capterra, TrustRadius or Trustpilot. Ratings belong to their platforms and play no part in the benchmark grades.

How can you get data out of Diffbot and Fiber AI?

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