Twelve of fourteen models named RingCentral RingEX first on the direct prompt; three named Nextiva. Both were named by all fourteen models and RingCentral RingEX carries 59 labels and Nextiva 51, 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 November 2026 Edition, RingCentral RingEX and Nextiva were named in the same answer 118 times, of the 187 answers naming RingCentral RingEX and the 134 naming Nextiva. In those answers Nextiva took the first choice twenty-two times and RingCentral RingEX forty-two.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | ||||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | ||||||
| Perplexity Sonar | ||||||
| Grok 4.20 | ||||||
| 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. Six of eight in this category shown.
“Frequently rated poorly (e.g., 1.7/5 on Trustpilot). Major complaints include unhelpful/slow support, unexpected contract auto-renewals” Grok 4.20 · negative prompt · hard negative
“One of the most frequently complained-about providers with a poor 2.2/5 rating on Trustpilot” DeepSeek V4 Flash · negative prompt · hard negative
“Often criticized for poor customer support and long hold times” MiniMax M2.5 · negative prompt · hard negative
“RingCentral Advanced and Zoom Phone are the top choices due to their scalability, integrations, and reliability” Mistral Small · direct prompt · first choice
“Comprehensive feature set, industry-leading integrations, strong global footprint, excellent for hybrid UCaaS + CCaaS.” Gemini 3.5 Flash · scale prompt · first choice
“Best Overall Reliability & Call Volume: RingCentral ... widely considered the gold standard for pure-play cloud voice” Qwen 3.7 Flash · paraphrase prompt · first choice
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
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.