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Business phone systems · November 2026 Edition

Nextiva vs Microsoft Teams Phone

Three of fourteen models named Nextiva first on the direct prompt; zero named Microsoft Teams Phone. Nextiva was named by fourteen of the fourteen models and Microsoft Teams Phone by eleven and Nextiva carries 51 labels and Microsoft Teams Phone 21, so the shares are not directly comparable.

Nextiva

accepted challenger

Named in one category this edition.

Microsoft Teams Phone

accepted challenger

Named in one category this edition.

First-choice share12%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate10%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#6A position in a field of 10; printed, not drawn.
Labels5121A 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.RingCentral RingEX was named alongside these two in thirteen of the fourteen direct answers. RingCentral RingEX vs Nextiva · RingCentral RingEX vs Microsoft Teams Phone · Zoom Phone 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 modelsMicrosoft Teams Phone
Direct30
Paraphrase01
Comparative40
Budget-constrained201 against Nextiva
Scale-constrained20
Negative004 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.

Across every category in the November 2026 Edition, Nextiva and Microsoft Teams Phone were named in the same answer thirty-seven times, of the 134 answers naming Nextiva and the 92 naming Microsoft Teams Phone. In those answers Microsoft Teams Phone took the first choice zero times and Nextiva eight.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Nextiva and Microsoft Teams Phone stood in it.
ModelDirectMTParaphraseMTComparativeMTBudget-constrainedMTScale-constrainedMTNegativeMT
Claude Haiku 4.5
GPT-5.4 miniMT
Gemini 3.5 FlashMTMTMT
Perplexity SonarMT
Grok 4.20MTMTMT
Mistral Small
DeepSeek V4 FlashMT
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2MTMT
GLM 4.7 FlashXMT
MiniMax M2.5
GPT-6 LunaMT
Muse Glimmer 30BMTMT
NextivaMT Microsoft Teams Phone first choice named as an alternative argued againstblank: not namedEach cell is one answer, Nextiva on the left and Microsoft Teams Phone on the right.

The direct prompt

The plain question, one answer per model, grouped by where Nextiva and Microsoft Teams Phone stood in it.

Nextiva first, Microsoft Teams Phone not the choice

3 of 14 modelsMicrosoft Teams Phone was named in the answer but not as the choice, or not at all.
DeepSeek V4 FlashNextiva, RingCentral RingEX alternatives: 8x8, Aircall, Dialpad, Zoom Phone
Kimi K2Nextiva, RingCentral RingEX alternatives: 8×8, Zoom Phone
MiniMax M2.5Nextiva alternatives: 8x8, Intermedia Unite, RingCentral RingEX

Neither was the first choice, one was named

9 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5RingCentral RingEX alternatives: 8x8, Nextiva, Zoom Phone
GPT-5.4 miniRingCentral RingEX alternatives: 8x8 Work, GoTo Connect, Nextiva, Zoom Phone
Gemini 3.5 FlashRingCentral MVP alternatives: 8x8, Dialpad, Microsoft Teams Phone, Nextiva, Zoom Phone
Perplexity SonarRingCentral RingEX alternatives: 8×8, Dialpad, JustCall, Nextiva, Zoom Phone
Grok 4.20RingCentral RingEX alternatives: 8x8, Dialpad, Nextiva, Zoom Phone
Llama 4 MaverickRingCentral RingEX alternatives: 8×8, Aircall, Dialpad, GoTo Connect, Nextiva, Ooma Office, Vonage, Zoom Phone
Qwen 3.7 FlashRingCentral RingEX alternatives: 8×8, Dialpad, Nextiva, Zoom Phone
GLM 4.7 FlashXRingCentral RingEX alternatives: 8×8 Work, Nextiva
Muse Glimmer 30BRingCentral RingEX alternatives: Microsoft Teams Phone, Nextiva, Zoom Phone

Neither was named

2 of 14 modelsThe answer made no first choice from these two in this category.
Mistral SmallRingCentral RingEX, Zoom Phone alternatives: 8×8 Work, GoTo Connect, Nextiva Engage
GPT-6 LunaRingCentral RingEX alternatives: 8x8, Dialpad, Teams Phone, 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-two points.
Nextiva22%#2 of 11
Microsoft Teams Phone0%#9 of 11
The full small business standing →
Mid-marketThe figures above
Nextiva leads by eleven points.
Nextiva12%#3 of 10
Microsoft Teams Phone2%#6 of 10
The full mid-market standing →
Enterprise
The order flips: Microsoft Teams Phone leads at enterprise.
Microsoft Teams Phone22%#2 of 11
Nextiva4%#4 of 11
The full enterprise standing →

What the models said about Nextiva

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

“It's a terrible voip provider system and their customer support even worse than their system.” Muse Glimmer 30B · negative prompt · hard negative
“261 BBB complaints in 3 years, with notable concerns” DeepSeek V4 Flash · negative prompt · hard negative
“Recent reports highlight increasing downtime, a confusing/fragmented dashboard, and frustrations with support.” Grok 4.20 · negative prompt · soft negative
“The best business phone system for a company with a limited budget is Nextiva, as it offers a range of features and scalability at an affordable price.” Llama 4 Maverick · budget prompt · first choice
“Nextiva: Strong for mid-market (50–500 users), multi-site support, analytics, and integrations. Often praised for reliability and support.” Grok 4.20 · scale prompt · first choice
“If you have 2–10 employees and need a real business phone system: Go with Nextiva, 8×8, or Dialpad starting at $15/user/mo.” GLM 4.7 FlashX · budget prompt · first choice

What the models said about Microsoft Teams 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.

“My default pick: Microsoft Teams Phone” GPT-5.4 mini · paraphrase prompt · first choice
“If you're already deep in the Microsoft ecosystem — Teams Phone will likely be your most cost-effective option” DeepSeek V4 Flash · paraphrase prompt · alternative
“Consider Teams Phone if staff already work in Teams and you're comfortable arranging PSTN calling separately.” GPT-6 Luna · comparative prompt · alternative
Also compared

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.