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Colocation providers · November 2026 Edition

CoreSite vs Digital Realty

Three of fourteen models named CoreSite first on the direct prompt; zero named Digital Realty. Both were named by all fourteen models and CoreSite carries 43 labels and Digital Realty 39, so the shares are not directly comparable.

CoreSite

accepted challenger

Named in one category this edition.

Digital Realty

accepted challenger

Named in one category this edition.

First-choice share9%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate12%21%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#7A position in a field of 12; printed, not drawn.
Labels4339A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, CoreSite reading right to left. Rank and label count are printed, not drawn.Flexential was named alongside these two in eleven of the fourteen direct answers. Flexential vs CoreSite · Flexential vs Digital Realty · Equinix vs CoreSite

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the colocation providers page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
CoreSiteFirst choices, of fourteen modelsDigital Realty
Direct301 against CoreSite · 1 against Digital Realty
Paraphrase232 against Digital Realty
Comparative04
Budget-constrained003 against CoreSite · 3 against Digital Realty
Scale-constrained00
Negative111 against CoreSite · 2 against Digital Realty
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, CoreSite and Digital Realty were named in the same answer eighty times, of the 106 answers naming CoreSite and the 126 naming Digital Realty. In those answers Digital Realty took the first choice eleven times and CoreSite four.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where CoreSite and Digital Realty stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
CoreSite Digital Realty first choice named as an alternative argued againstblank: not namedEach cell is one answer, CoreSite on the left and Digital Realty on the right.

The direct prompt

The plain question, one answer per model, grouped by where CoreSite and Digital Realty stood in it.

CoreSite first, Digital Realty an alternative

3 of 14 modelsDigital Realty was named in the answer but not as the choice, or not at all.
Mistral SmallCoreSite, Equinix alternatives: Flexential, ServerMania
Qwen 3.7 FlashCoreSite alternatives: Digital Realty, Iron Mountain Data Centers, Liquid Power, Vantage Data Centers
MiniMax M2.5CoreSite alternatives: DataBank, Flexential, TierPoint

Neither was the first choice, one was named

7 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniEquinix, TierPoint alternatives: CoreSite, Flexential
Gemini 3.5 FlashFlexential alternatives: CoreSite, DataBank, TierPoint
Perplexity SonarFlexential alternatives: CoreSite, DataBank, Digital Realty, Equinix
Llama 4 MaverickTierPoint alternatives: 365 Data Centers, CoreSite, Equinix, ServerMania
GLM 4.7 FlashXTierPoint alternatives: CoreSite, Digital Realty, Equinix, Flexential
GPT-6 LunaDataBank alternatives: CoreSite, Equinix, Flexential
Muse Glimmer 30BFlexential, TierPoint alternatives: Digital Realty, Equinix, ServerMania

Neither was named

4 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice
Grok 4.20Flexential alternatives: DataBank, TierPoint
DeepSeek V4 FlashFlexential, TierPoint alternatives: 365 Data Centers, DataBank
Kimi K2Flexential, TierPoint alternatives: 365 Data Centers, DataBank

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
CoreSite2%#8 of 12
Digital Realty2%#10 of 12
The full small business standing →
Mid-marketThe figures above
CoreSite leads by four points.
CoreSite9%#4 of 12
Digital Realty5%#7 of 12
The full mid-market standing →
Enterprise
The order flips: Digital Realty leads at enterprise.
Digital Realty23%#2 of 12
CoreSite2%#3 of 12
The full enterprise standing →

What the models said about CoreSite

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Market giants (like Equinix, Digital Realty, or CoreSite) offer top-tier infrastructure, but their business models cater primarily to enterprises” Gemini 3.5 Flash · negative prompt · soft negative
“Other options to consider include 365 Data Centers and CoreSite, but these tend to be more expensive” Mistral Small · budget prompt · soft negative
“Great if you need hybrid cloud adjacency, but can be pricier for basic colocation” DeepSeek V4 Flash · direct prompt · soft negative
“CoreSite is highlighted as the "best overall for interconnection depth" with native cloud onramps and a dense carrier ecosystem.” MiniMax M2.5 · direct prompt · first choice
“choose CoreSite if cloud/network adjacency is central; otherwise choose Flexential” Perplexity Sonar · paraphrase prompt · first choice
“If I had to pick one, I'd recommend CoreSite for most mid-sized B2B companies” DeepSeek V4 Flash · paraphrase prompt · first choice

What the models said about Digital Realty

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Avoid for tight budgets: Premium names like Equinix or Digital Realty” Grok 4.20 · budget prompt · hard negative
“Market giants (like Equinix, Digital Realty, or CoreSite) offer top-tier infrastructure, but their business models cater primarily to enterprises” Gemini 3.5 Flash · negative prompt · soft negative
“Some models recommend avoiding hyperscale giants like Equinix and Digital Realty for smaller or mid-market firms due to cost and complexity.” Mistral Small · negative prompt · soft negative
“prioritize Tier III certified or Tier IV facilities operated by carrier-neutral entities (like Digital Realty, CoreSite, CyrusOne” Qwen 3.7 Flash · negative prompt · first choice
“Equinix and Digital Realty dominate the global market as the largest, carrier-neutral providers” GLM 4.7 FlashX · comparative prompt · first choice
“Equinix and Digital Realty dominate with roughly 40–50% combined global retail/wholesale market share.” Grok 4.20 · comparative prompt · first choice
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.