# TierPoint vs CoreSite: which do AI models recommend for colocation, October 2026

IT AI Recommendation Index, October 2026 Edition, Colocation providers. Four of fourteen models named TierPoint first on the direct prompt; one named CoreSite. Page: https://it-ai-index.com/cloud/colocation-providers/tierpoint-vs-coresite/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| TierPoint | 22% | #1 of 9 | 6% | 18 | 10 of 14 |
| CoreSite | 5% | #5 of 9 | 0% | 33 | 13 of 14 |

## The direct prompt, model by model

- Grok 4.1 Fast: tierpoint first (first choices: DataBank, TierPoint) (alternatives: Equinix)
- Kimi K2: tierpoint first (first choices: TierPoint) (alternatives: Cologix, DataBank)
- GLM 4.7 FlashX: tierpoint first (first choices: Flexential, TierPoint) (alternatives: CoreSite, CyrusOne, DataBank, Iron Mountain Data Centers, QTS)
- Muse Glimmer 30B: tierpoint first (first choices: TierPoint) (alternatives: CoreSite, CyrusOne, Cyxtera, DataBank, Equinix, Flexential, NTT)
- Perplexity Sonar: coresite first (first choices: CoreSite) (alternatives: Iron Mountain Data Centers, NTT Global Data Centers)
- GPT-5.4 mini: neither first, one named (first choices: Equinix) (alternatives: CoreSite, Flexential, TierPoint)
- Gemini 3.5 Flash: neither first, one named (first choices: Flexential) (alternatives: Centersquare, CoreSite, Iron Mountain Data Centers, TierPoint)
- DeepSeek V4 Flash: neither first, one named (first choices: Flexential) (alternatives: DataBank, TierPoint)
- GPT-6 Luna: neither first, one named (first choices: Flexential) (alternatives: CoreSite, Equinix, TierPoint)
- Claude Haiku 4.5: neither named
- Mistral Small: neither named (first choices: DataBank, Equinix)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: DataBank, Digital Realty) (alternatives: Equinix, NTT Global Data Centers)
- MiniMax M2.5: neither named

## What the models said about TierPoint

- "Possible late or slow customer service, and some users have reported frustration with limited data centers and high initial setup costs." (Mistral Small, negative prompt, soft negative)
- "TierPoint – national mid-market with regional coverage. US-focused operator with strong regional coverage and competitive pricing" (Muse Glimmer 30B, direct prompt, first choice)
- "Start with TierPoint if you want a provider specifically focused on mid-market businesses with excellent regional coverage" (GLM 4.7 FlashX, paraphrase prompt, first choice)
- "often the go-to for mid-market... General mid-market colocation & DR: TierPoint, Flexential." (GLM 4.7 FlashX, direct prompt, first choice)

## What the models said about CoreSite

- "CoreSite: Best Overall for High Support & Cloud Connectivity (US-focused)" (Gemini 3.5 Flash, paraphrase prompt, first choice)
- "the best colocation provider is usually CoreSite" (Perplexity Sonar, 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, comparative prompt, alternative)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.