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Business phone systems · October 2026 Edition

RingCentral vs Zoom Phone

Eight of fourteen models named RingCentral first on the direct prompt; one named Zoom Phone. RingCentral was named by thirteen of the fourteen models and Zoom Phone by fourteen and RingCentral carries 49 labels and Zoom Phone 42, so the shares are not directly comparable.

RingCentral

accepted challenger

Named in three categories this edition.

Zoom Phone

accepted challenger

Named in one category this edition.

First-choice share29%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate16%0%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#1#5A position in a field of 12; printed, not drawn.

Labels4942A count; the two differ.

The two percentage rows are drawn on one 0 to 100 track, RingCentral reading right to left. Rank and label count are printed, not drawn.Nextiva was named alongside these two in thirteen of the fourteen direct answers. RingCentral vs Google Voice · RingCentral vs Nextiva · RingCentral vs RingCentral RingEX

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 business phone systems page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.

RingCentralFirst choices, of fourteen modelsZoom Phone

Direct81

Paraphrase70

Comparative50

Budget-constrained041 against RingCentral

Scale-constrained20

Negative107 against RingCentral

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 October 2026 Edition, RingCentral and Zoom Phone were named in the same answer eighty-six times, of the 188 answers naming RingCentral and the 126 naming Zoom Phone. In those answers Zoom Phone took the first choice three times and RingCentral forty.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where RingCentral and Zoom Phone stood in it.

Model	Direct	Paraphrase	Comparative	Budget-constrained	Scale-constrained	Negative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
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

RingCentral

Zoom Phone

first choice

named as an alternative

argued againstblank: not namedEach cell is one answer, RingCentral on the left and Zoom Phone on the right.

The direct prompt

The plain question, one answer per model, grouped by where RingCentral and Zoom Phone stood in it.

Both were the first choice

1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.

GPT-5.4 miniRingCentral, Zoom Phone alternatives: Dialpad, Nextiva, Webex Calling

RingCentral first, Zoom Phone an alternative

7 of 14 modelsZoom Phone was named in the answer but not as the choice, or not at all.

Claude Haiku 4.5RingCentral alternatives: 8x8, Dialpad, Nextiva

Gemini 3.5 FlashDialpad, RingCentral alternatives: Aircall, Microsoft Teams Phone, Nextiva

Perplexity SonarRingCentral alternatives: 8x8, Dialpad, JustCall, Nextiva

Mistral SmallRingCentral alternatives: 8x8, Intermedia, Nextiva, Zoom Phone

DeepSeek V4 FlashRingCentral alternatives: 8x8, Aircall, Dialpad, Nextiva

Qwen 3.7 FlashRingCentral alternatives: Microsoft Teams Phone, Nextiva, Zoom Phone

Muse Glimmer 30BNextiva, RingCentral alternatives: 8x8, Dialpad, Zoom Phone

Neither was the first choice, one was named

5 of 14 modelsThe answer put something else first and named one of the two as an alternative.

Grok 4.1 FastNextiva alternatives: 8x8, Ooma Office, RingCentral, Zoom Phone

Llama 4 MaverickNextiva alternatives: JustCall, Vonage, Zoom Phone

GLM 4.7 FlashXNextiva, RingCentral RingEX alternatives: Dialpad Connect, GoTo Connect, Zoom Phone

MiniMax M2.5Nextiva, RingCentral RingEX alternatives: Intermedia Unite, Zoom Phone

GPT-6 LunaRingCentral RingEX alternatives: Dialpad, Teams Phone, Zoom Phone

Neither was named

1 of 14 modelsThe answer made no first choice from these two in this category.

Kimi K28x8, RingCentral RingEX alternatives: Dialpad, GoTo Connect, Nextiva

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

RingCentral leads by seven points.

RingCentral#2 of 11

Zoom Phone#3 of 11

The full small business standing →

Mid-marketThe figures above

RingCentral leads by twenty points.

RingCentral#1 of 12

Zoom Phone#5 of 12

The full mid-market standing →

Enterprise

RingCentral leads by thirty-three points.

RingCentral#1 of 10

Zoom Phone#3 of 10

The full enterprise standing →

What the models said about RingCentral

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

“If you're an SMB without a dedicated IT team, this is a trap.” DeepSeek V4 Flash · negative prompt · hard negative

“Solid features but low Trustpilot scores (~2.2/5 from 1,800+ reviews) due to rigid contracts, billing disputes, slow support, and outages.” Grok 4.1 Fast · negative prompt · soft negative

“often cited as RingCentral, Nextiva, 8x8, and Vonage) are notorious for aggressive and highly restrictive sales contracts” Gemini 3.5 Flash · negative prompt · soft negative

“Best for most mid-market organizations, combining business phone service, video conferencing, team messaging, SMS, fax, and contact center capabilities” Claude Haiku 4.5 · direct prompt · first choice

“Best Overall for Deep Integrations & Customization ... request a demo from RingCentral (for its sheer capability and CRM depth)” Gemini 3.5 Flash · direct prompt · first choice

“Most balanced choice: RingCentral — it offers the deepest telephony features without forcing you into a specific ecosystem” Kimi K2 · paraphrase prompt · first choice

What the models said about Zoom Phone

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

“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

Also compared

RingCentral vs Google Voice RingCentral vs Nextiva RingCentral vs RingCentral RingEX RingCentral vs 8x8 RingCentral vs Microsoft Teams Phone RingCentral vs Dialpad Google Voice vs Zoom Phone Nextiva vs Zoom Phone RingCentral RingEX vs Zoom Phone Zoom Phone vs 8x8 Zoom Phone vs Microsoft Teams Phone Zoom Phone vs Dialpad All twenty-eight head-to-head pages and the full business phones standing

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.