Business phone systems · October 2026 Edition
Nextiva vs RingCentral RingEX
Five of fourteen models named Nextiva first on the direct prompt; four named RingCentral RingEX. Nextiva was named by fourteen of the fourteen models and RingCentral RingEX by six and Nextiva carries 49 labels and RingCentral RingEX 10, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share14%12%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate6%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 12; printed, not drawn.
Labels4910A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Nextiva reading right to left. Rank and label count are printed, not drawn.Zoom Phone was named alongside these two in nine of the fourteen direct answers. RingCentral vs Nextiva · RingCentral vs RingCentral RingEX · Google Voice vs Nextiva
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.
NextivaFirst choices, of fourteen modelsRingCentral RingEX
Direct54
Paraphrase13
Comparative52
Budget-constrained10
Scale-constrained101 against Nextiva
Negative102 against Nextiva
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.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Nextiva and RingCentral RingEX 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 | | |
Nextiva RingCentral RingEX first choice named as an alternative argued againstblank: not namedEach cell is one answer, Nextiva on the left and RingCentral RingEX on the right.The direct prompt
The plain question, one answer per model, grouped by where Nextiva and RingCentral RingEX stood in it.
Both were the first choice
2 of 14 modelsThe answer named them together, and the judge labeled each a first choice.GLM 4.7 FlashXNextiva, RingCentral RingEX alternatives: Dialpad Connect, GoTo Connect, Zoom Phone
MiniMax M2.5Nextiva, RingCentral RingEX alternatives: Intermedia Unite, Zoom Phone
Nextiva first, RingCentral RingEX not the choice
3 of 14 modelsRingCentral RingEX was named in the answer but not as the choice, or not at all.Grok 4.1 FastNextiva alternatives: 8x8, Ooma Office, RingCentral, Zoom Phone
Llama 4 MaverickNextiva alternatives: JustCall, Vonage, Zoom Phone
Muse Glimmer 30BNextiva, RingCentral alternatives: 8x8, Dialpad, Zoom Phone
RingCentral RingEX first, Nextiva an alternative
2 of 14 modelsNextiva was named in the answer but not as the choice, or not at all.Kimi K28x8, RingCentral RingEX alternatives: Dialpad, GoTo Connect, Nextiva
GPT-6 LunaRingCentral RingEX alternatives: Dialpad, Teams Phone, Zoom Phone
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.Claude Haiku 4.5RingCentral alternatives: 8x8, Dialpad, Nextiva
GPT-5.4 miniRingCentral, Zoom Phone alternatives: Dialpad, Nextiva, Webex Calling
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
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
Nextiva leads by twenty-six points.
Nextiva31%#1 of 11RingCentral RingEX5%#– of 11Mid-marketThe figures above
Nextiva leads by two points.
Nextiva14%#3 of 12RingCentral RingEX12%#4 of 12Enterprise
Level: the same share of first choices.
Nextiva5%#4 of 10RingCentral RingEX5%#– of 10What the models said about Nextiva
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Billing disputes are common—users report being charged for add-ons they never approved.” DeepSeek V4 Flash · negative prompt · soft negative
“notorious for aggressive and highly restrictive sales contracts” Gemini 3.5 Flash · negative prompt · soft negative
“Good all-in-one, but fewer integrations than RingCentral” DeepSeek V4 Flash · scale prompt · soft negative
“The best business phone system for a mid-market B2B company is likely to be Nextiva, which is considered the best for unified communications at mid-market scale.” Llama 4 Maverick · direct prompt · first choice
“Start with Nextiva if prioritizing ease, reliability, and B2B essentials... it's frequently rated highest for mid-sized businesses” Grok 4.1 Fast · direct prompt · first choice
“Prioritize highly rated alternatives: Nextiva (4.6-4.8/5 across platforms, A+ BBB), Ooma, or 8x8 for reliability and support.” Grok 4.1 Fast · negative prompt · first choice
What the models said about RingCentral RingEX
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“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
Also compared
RingCentral vs NextivaRingCentral vs RingCentral RingEXGoogle Voice vs NextivaGoogle Voice vs RingCentral RingEXNextiva vs Zoom PhoneNextiva vs 8x8Nextiva vs Microsoft Teams PhoneNextiva vs DialpadRingCentral RingEX vs Zoom PhoneRingCentral RingEX vs 8x8RingCentral RingEX vs Microsoft Teams PhoneRingCentral RingEX vs DialpadAll 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.