Business phone systems · October 2026 Edition
Google Voice vs 8x8
Zero of fourteen models named Google Voice first on the direct prompt; one named 8x8. Google Voice was named by eleven of the fourteen models and 8x8 by thirteen and Google Voice carries 17 labels and 8x8 37, so the shares are not directly comparable.
Named in one category this edition.
Named in two categories this edition.
First-choice share15%3%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate12%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#6A position in a field of 12; printed, not drawn.
Labels1737A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Google Voice 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 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.
Google VoiceFirst choices, of fourteen models8x8
Direct01
Paraphrase00
Comparative00
Budget-constrained90
Scale-constrained01
Negative002 against Google Voice · 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.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Google Voice 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 | | | |
Google Voice 8x8 first choice named as an alternative argued againstblank: not namedEach cell is one answer, Google Voice on the left and 8x8 on the right.The direct prompt
The plain question, one answer per model, grouped by where Google Voice and 8x8 stood in it.
8x8 first, Google Voice not the choice
1 of 14 modelsGoogle Voice 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
6 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
Perplexity SonarRingCentral alternatives: 8x8, Dialpad, JustCall, Nextiva
Grok 4.1 FastNextiva alternatives: 8x8, Ooma Office, RingCentral, Zoom Phone
Mistral SmallRingCentral alternatives: 8x8, Intermedia, Nextiva, Zoom Phone
DeepSeek V4 FlashRingCentral alternatives: 8x8, Aircall, Dialpad, Nextiva
Muse Glimmer 30BNextiva, RingCentral alternatives: 8x8, Dialpad, Zoom Phone
Neither was named
7 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniRingCentral, Zoom Phone alternatives: Dialpad, Nextiva, Webex Calling
Gemini 3.5 FlashDialpad, RingCentral alternatives: Aircall, Microsoft Teams Phone, Nextiva
Llama 4 MaverickNextiva alternatives: JustCall, Vonage, Zoom Phone
Qwen 3.7 FlashRingCentral alternatives: Microsoft Teams Phone, Nextiva, 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
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
Google Voice leads by seven points.
Google Voice7%#4 of 118x80%#11 of 11Mid-marketThe figures above
Google Voice leads by twelve points.
Google Voice15%#2 of 128x83%#6 of 12Enterprise
The order flips: 8x8 leads at enterprise.
8x82%#5 of 10Google Voice0%#– of 10What the models said about Google Voice
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Caution: Very poor tech support scores ... Better for: Personal use only; lacks business-grade features and support” Kimi K2 · negative prompt · hard negative
“Google Voice has no integrations outside Google Workspace, no desktop app, and no auto-replies” Claude Haiku 4.5 · negative prompt · soft negative
“For maximum budget savings: Choose Google Voice if you're already using Google Workspace and have 10 or fewer users.” Kimi K2 · budget prompt · first choice
“The Best Overall Value: Google Voice Standard ... widely considered the best bang-for-buck software in the industry.” Qwen 3.7 Flash · budget prompt · first choice
“If you need basic features: Go with Google Voice ($10/month) - it's the most affordable and reliable” MiniMax M2.5 · budget 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 Google VoiceRingCentral vs 8x8Google Voice vs NextivaGoogle Voice vs RingCentral RingEXGoogle Voice vs Zoom PhoneGoogle Voice vs Microsoft Teams PhoneGoogle Voice vs DialpadNextiva vs 8x8RingCentral RingEX vs 8x8Zoom Phone vs 8x88x8 vs Microsoft Teams Phone8x8 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.