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Business phone systems · October 2026 Edition

Nextiva vs 8x8

Five of fourteen models named Nextiva first on the direct prompt; one named 8x8. Nextiva was named by fourteen of the fourteen models and 8x8 by thirteen and Nextiva carries 49 labels and 8x8 37, so the shares are not directly comparable.

Nextiva

accepted challenger

Named in one category this edition.

8x8

accepted challenger

Named in two categories this edition.

First-choice share14%3%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate6%8%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#3#6A position in a field of 12; printed, not drawn.

Labels4937A 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 8x8 · 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 models8x8

Direct51

Paraphrase10

Comparative50

Budget-constrained10

Scale-constrained111 against Nextiva

Negative102 against Nextiva · 3 against 8x8

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, Nextiva and 8x8 were named in the same answer fifty-three times, of the 128 answers naming Nextiva and the 88 naming 8x8. In those answers 8x8 took the first choice two times and Nextiva ten.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Nextiva and 8x8 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

8x8

first choice

named as an alternative

argued againstblank: not namedEach cell is one answer, Nextiva on the left and 8x8 on the right.

The direct prompt

The plain question, one answer per model, grouped by where Nextiva and 8x8 stood in it.

Nextiva first, 8x8 an alternative

5 of 14 models8x8 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

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

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

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

8x8 first, Nextiva an alternative

1 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

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

Neither was named

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

GPT-6 LunaRingCentral RingEX alternatives: 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 thirty-one points.

Nextiva#1 of 11

8x8#11 of 11

The full small business standing →

Mid-marketThe figures above

Nextiva leads by ten points.

Nextiva#3 of 12

8x8#6 of 12

The full mid-market standing →

Enterprise

Nextiva leads by three points.

Nextiva#4 of 10

8x8#5 of 10

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 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 8x8

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

“While 8x8 has strengths, it has significant red flags... budget-conscious growing teams may find pricing unpredictable.” Qwen 3.7 Flash · negative prompt · soft negative

“notorious for aggressive and highly restrictive sales contracts” Gemini 3.5 Flash · negative prompt · soft negative

“Support is consistently rated 1–2 stars on third-party sites.” DeepSeek V4 Flash · negative prompt · soft negative

“RingCentral MVP / 8x8 X Series: Full UCaaS, strong PBX features, good mid-market fit.” Kimi K2 · scale prompt · first choice

“I'd suggest RingCentral RingEX or 8x8 as the top choices” Kimi K2 · direct prompt · first choice

“If you're running both sales and support operations, 8x8 is worth a serious look given its native contact center capabilities.” DeepSeek V4 Flash · paraphrase prompt · alternative

Also compared

RingCentral vs Nextiva RingCentral vs 8x8 Google Voice vs Nextiva Google Voice vs 8x8 Nextiva vs RingCentral RingEX Nextiva vs Zoom Phone Nextiva vs Microsoft Teams Phone Nextiva vs Dialpad RingCentral RingEX vs 8x8 Zoom Phone vs 8x8 8x8 vs Microsoft Teams Phone 8x8 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.