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

IT AI Recommendation Index, October 2026 Edition, Business phone systems. Four of fourteen models named RingCentral RingEX first on the direct prompt; one named Zoom Phone. Page: https://it-ai-index.com/operations/business-phone-systems/ringcentral-ringex-vs-zoom-phone/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| RingCentral RingEX | 12% | #4 of 12 | 0% | 10 | 6 of 14 |
| Zoom Phone | 8% | #5 of 12 | 0% | 42 | 14 of 14 |

## The direct prompt, model by model

- Kimi K2: ringcentral ringex first (first choices: 8x8, RingCentral RingEX) (alternatives: Dialpad, GoTo Connect, Nextiva)
- GLM 4.7 FlashX: ringcentral ringex first (first choices: Nextiva, RingCentral RingEX) (alternatives: Dialpad Connect, GoTo Connect, Zoom Phone)
- MiniMax M2.5: ringcentral ringex first (first choices: Nextiva, RingCentral RingEX) (alternatives: Intermedia Unite, Zoom Phone)
- GPT-6 Luna: ringcentral ringex first (first choices: RingCentral RingEX) (alternatives: Dialpad, Teams Phone, Zoom Phone)
- GPT-5.4 mini: zoom phone first (first choices: RingCentral, Zoom Phone) (alternatives: Dialpad, Nextiva, Webex Calling)
- 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)
- 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)
- Gemini 3.5 Flash: neither named (first choices: Dialpad, RingCentral) (alternatives: Aircall, Microsoft Teams Phone, 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)

## What the models said about RingCentral RingEX

- "A versatile all-around option... Want the most broadly featured standalone system? Compare RingCentral and Nextiva." (GPT-6 Luna, comparative prompt, first choice)
- "For a mid-sized B2B company, RingCentral RingEX is the strongest overall recommendation." (DeepSeek V4 Flash, paraphrase prompt, first choice)
- "### 1. RingCentral RingEX
- Best for: Enterprise teams needing deep CRM integrations" (Kimi K2, comparative prompt, first choice)

## 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)

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.