Zero of fourteen models named Google Voice first on the direct prompt; five named Nextiva. Google Voice was named by eleven of the fourteen models and Nextiva by fourteen and Google Voice carries 17 labels and Nextiva 49, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
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.
Across every category in the October 2026 Edition, Google Voice and Nextiva were named in the same answer twenty-five times, of the 46 answers naming Google Voice and the 128 naming Nextiva. In those answers Nextiva took the first choice twelve times and Google Voice five.
| 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 |
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.
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
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
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.