# Zoom Phone vs Microsoft Teams Phone: which do AI models recommend for business phones, October 2026

IT AI Recommendation Index, October 2026 Edition, Business phone systems. One of fourteen models named Zoom Phone first on the direct prompt; zero named Microsoft Teams Phone. Page: https://it-ai-index.com/operations/business-phone-systems/zoom-phone-vs-microsoft-teams-phone/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Zoom Phone | 8% | #5 of 12 | 0% | 42 | 14 of 14 |
| Microsoft Teams Phone | 3% | #7 of 12 | 10% | 21 | 13 of 14 |

## The direct prompt, model by model

- GPT-5.4 mini: zoom phone first (first choices: RingCentral, Zoom Phone) (alternatives: Dialpad, Nextiva, Webex Calling)
- Gemini 3.5 Flash: neither first, one named (first choices: Dialpad, RingCentral) (alternatives: Aircall, Microsoft Teams Phone, Nextiva)
- Grok 4.1 Fast: neither first, one named (first choices: Nextiva) (alternatives: 8x8, Ooma Office, RingCentral, Zoom Phone)
- Mistral Small: neither first, one named (first choices: RingCentral) (alternatives: 8x8, Intermedia, Nextiva, Zoom Phone)
- Llama 4 Maverick: neither first, one named (first choices: Nextiva) (alternatives: JustCall, Vonage, Zoom Phone)
- Qwen 3.7 Flash: neither first, one named (first choices: RingCentral) (alternatives: Microsoft Teams Phone, Nextiva, Zoom Phone)
- GLM 4.7 FlashX: neither first, one named (first choices: Nextiva, RingCentral RingEX) (alternatives: Dialpad Connect, GoTo Connect, Zoom Phone)
- MiniMax M2.5: neither first, one named (first choices: Nextiva, RingCentral RingEX) (alternatives: Intermedia Unite, Zoom Phone)
- GPT-6 Luna: neither first, one named (first choices: RingCentral RingEX) (alternatives: Dialpad, Teams Phone, Zoom Phone)
- Muse Glimmer 30B: neither first, one named (first choices: Nextiva, RingCentral) (alternatives: 8x8, Dialpad, Zoom Phone)
- Claude Haiku 4.5: neither named (first choices: RingCentral) (alternatives: 8x8, Dialpad, Nextiva)
- Perplexity Sonar: neither named (first choices: RingCentral) (alternatives: 8x8, Dialpad, JustCall, Nextiva)
- DeepSeek V4 Flash: neither named (first choices: RingCentral) (alternatives: 8x8, Aircall, Dialpad, Nextiva)
- Kimi K2: neither named (first choices: 8x8, RingCentral RingEX) (alternatives: Dialpad, GoTo Connect, Nextiva)

## What the models said about Zoom Phone

- "Zoom's $10/month metered plan is one of the cheapest entry points on the market" (Gemini 3.5 Flash, budget prompt, first choice)
- "Zoom Phone stands out as one of the most affordable small business phone systems" (Claude Haiku 4.5, budget prompt, first choice)
- "the best business phone system is usually RingCentral or Zoom Phone" (GPT-5.4 mini, direct prompt, first choice)

## What the models said about Microsoft Teams Phone

- "Limitation: Poor fax capabilities—avoid if you need to send/receive faxes" (Kimi K2, negative prompt, hard negative)
- "The configuration complexity of platforms like Microsoft Teams Phone or RingCentral can be significant overhead for a 15-person professional services firm" (Claude Haiku 4.5, negative prompt, soft negative)
- "The Best All-Around Choice: Microsoft Teams ... Teams is almost invariably the correct choice." (Qwen 3.7 Flash, paraphrase prompt, first choice)
- "The default choice if you are deeply embedded in the Microsoft 365 ecosystem." (Gemini 3.5 Flash, scale prompt, first choice)
- "if your company is already committed to the Microsoft ecosystem, Microsoft Teams is a natural fit and more cost-effective" (Claude Haiku 4.5, paraphrase 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.