Every category where a model named CoreSite for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.

Category	Function	Share	Rank	Negative rate	Labels	Quadrant	Since September 2026
Colocation providers	Cloud and infrastructure	5%	6 of 78	0%	33	accepted challenger

Movement

This is the first edition on this tier, so no move can be computed for CoreSite yet. From the next edition this section shows, per buyer segment and per category, whether its share moved by more than the measured noise floor.

By model

How each model treated CoreSite across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.

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Model	First choice	Alternative	Mention	Labels
Claude Haiku 4.5	0	1	0	1
GPT-5.4 mini	0	2	0	2
Gemini 3.5 Flash	1	2	0	3
Perplexity Sonar	1	0	2	3
Grok 4.1 Fast	0	1	4	5
Mistral Small	0	1	1	2
DeepSeek V4 Flash	0	2	1	3
Llama 4 Maverick	0	0	2	2
Qwen 3.7 Flash	0	0	0	0
Kimi K2	0	2	1	3
GLM 4.7 FlashX	0	2	0	2
MiniMax M2.5	0	1	1	2
GPT-6 Luna	0	1	1	2
Muse Glimmer 30B	0	2	1	3

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.

FramingLabels by classFirst choices

Direct28 labels2

Paraphrase18 labels2

Comparative31 labelsNone

Budget-constrained9 labels3

Scale-constrained3 labelsNone

Negative5 labels1not counted in share

First choiceAlternativeMentionNegative94 labels in all, every segment counted; 7 of the 8 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“CoreSite: Best Overall for High Support & Cloud Connectivity (US-focused)” Gemini 3.5 Flash · Colocation · paraphrase prompt · first choice

“the best colocation provider is usually CoreSite” Perplexity Sonar · Colocation · direct prompt · first choice

“CoreSite is often a strong option when you want carrier-neutral colocation with excellent connectivity in key markets.” GPT-5.4 mini · Colocation · comparative prompt · alternative

“CoreSite and Switch are top choices for hybrid IT, cloud on-ramps, and carrier-neutral interconnection.” GLM 4.7 FlashX · Colocation · comparative prompt · alternative

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

No model argued against it.

Named alongside

The products named in the same answers as CoreSite, over the 94 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and CoreSite was named but was not.

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ProductSame answerTook the first choice insteadHead to head

Equinix79 of 9442Compare →

Digital Realty63 of 9413Compare →

CyrusOne48 of 940Not among the top eight

NTT Global Data Centers40 of 941Not among the top eight

Iron Mountain Data Centers32 of 940Not among the top eight

TierPoint27 of 949Compare →

Flexential26 of 948Compare →

DataBank25 of 943Compare →

QTS Data Centers15 of 940Not among the top eight

InterServer11 of 947Not among the top eight

A head-to-head page exists where both products are among a category's top eight. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named CoreSite. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 90 of the 94 answers that named CoreSite and are not a share of its labels.

Domains cited

quotecolo.com59

guideflow.com44

dgtlinfra.com38

gartner.com36

encoradvisors.com35

feeds.sabertoothpro.com35

techradar.com33

sourceforge.net23

coresite.comYour site22

sites.google.com21

324 of the 346 domain citations in answers naming CoreSite came from somebody else's page.

Pages cited

quotecolo.com/colocation-providers52

guideflow.com/blog/colocation-services44

dgtlinfra.com/top-10-colocation-providers37

feeds.sabertoothpro.com/blog/best-colocation-service-provider-usa35

gartner.com/reviews/market/colocation-providers35

techradar.com/news/best-colocation-hosting33

encoradvisors.com/best-colocation-data-center25

pickmysoft.com/blog/best-colocation-hosting-platforms20

Pages are listed as the models cited them.

Search and answers

coresite.com is not in Google's top ten for any of the category's searches. In the answers, CoreSite takes 5% of first choices and TierPoint takes 22%.

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In search

Google, US estimates

Position for “colocation provider”

–

not in the top ten

Position for “colocation providers”

–

not in the top ten

Searches for its name, Google: 4,400 a month (“coresite”)
AI search demand for its name, est.: 282 a month
Organic visits to its site: about 73,076 a month
Searches its site ranks for: 5,520 · 572 in the top three
Sites linking to it: 3,188
Paid Google search: 2 searches its ads show for, about 20 clicks and $98 a month (estimate)

Ads on GoogleDetailLess

59 ads · 51 text, 7 video, 1 image · 34 shown in the last 30 days

First shown October 2022, as CoreSite Denver LLC, verified. Ads started 2025-11 to 2026-10: 32 in the year, 27 before.

On Google's pages: 1 2 3 4

In answers

This edition

Share of first choices

rank 6 of 78 in colocation

Segment leader

22%

TierPoint

First choices: 7 across its categories
Named in: 94 answers
Its own site cited: in 90 of the answers that named it

Search figures are US estimates from DataForSEO, read October 5, 2026; AI search demand is its modeled, directional estimate, not a count of queries to any assistant. The answers are this edition's. Two measurements side by side: neither is read as the cause of the other.

What it publishes

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Addresses on coresite.com

862

subdomains included

Content

512

counted in the table below

Documentation

Product · Integration

0 · 132

Kind	Pages	Last 90 days	Latest	Categories named
Blog	296	11	2026-09-24	Colocation
News or press	83	2	2026-09-01
Case study	47	undated
Podcast or video	29	27	2026-09-23	Infra monitoring
Glossary or explainer	21	8	2026-09-23
Report or ebook	17	undated
Template or tool	9	undated
Comparison	7	0	2023-12-15
Conference or event	2	undated
Webinar or virtual event	1	undated

Most recent

2026-09-24Optimize ai workloads with colocation and hybrid it blog
2026-09-23Open cloud exchange demo podcast or video
2026-09-23Data center infrastructure monitoring podcast or video
2026-09-23Data center airflow and cooling techniques podcast or video
2026-09-23Mycoresite service delivery platform demo video podcast or video
2026-09-23Welcome to coresite video podcast or video

How it is countedHide how it is counted

Every page coresite.com exposes, subdomains included. Kind is read from the address and title. The last 90 days, the latest date and the twelve months count pages by when they were published, from the site's feeds, a date in the address, or the page's own publication date, read from up to a hundred of its most recently changed pages; a page that says only when it last changed is counted in its kind but not in when, so the recent counts are a floor, and a kind none of whose pages gives a publication date reads undated. An event counts as online when its address or title says so (webinar, on demand, virtual or online summit); a conference, summit, trade show, expo or roadshow that does not say so is counted as a conference or event, which on a vendor's site is mostly in person. Read October 5, 2026.

Names read as CoreSite

What the judge wrote, as written, with how often. The vendor table decides that these count as CoreSite; a claim can dispute any of them.

Coresite 2CoreSite (American Real Estate) 1CoreSite (American Tower) 1CoreSite (now American Tower) 1

Follow CoreSite

An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.

Already following? Everything you follow, with a stop for each.

The company

CoreSite is its own company.

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In its own words

Stated by the vendor, not checked

Positioning: Secure, High-Performance Data Centers
coresite.com
For: enterprises
coresite.com
Certifications: ISO 27001SOC 1 Type 2SOC 2 Type 2NIST 800-53HIPAAPCI DSS
Hosting: 11 strategic U.S. marketsWestLos AngelesSilicon ValleyCentralChicagoDenverNortheast
Customers named: Georgia ITSeceonVoxilityMLB NetworkVerizonPaul HastingsSupplyframeTOWARDEX
Not stated on the pages read: Price, starting price, free plan or trial, integrations

What CoreSite's own pages state, read October 5, 2026: coresite.com, coresite.com/data-center-design/security, coresite.com/customer-stories, coresite.com/marketplace. A claimed page can correct any of them.

Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when CoreSite's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as CoreSite, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

What a new claim receivesHide what a new claim receives

A new claim receives the current edition's vendor brief for CoreSite by email, built from the raw record of the edition. It shows:

where CoreSite is named, by buyer and by framing, and which cells hold its first choices;
the claims the models make when they name it, ranked, with the strongest and the weakest quoted;
its vocabulary against the segment leader's, and the pages the models cited;
who was chosen in the answers that did not name CoreSite, and every reason the record gives;
a battlecard for each top rival: the head-to-head split, why they win, and the reservation quoted against them;
one page of published figures cleared to show a buyer.