AI voice agents · October 2026 Edition
CloudTalk vs Vapi
Eight of fourteen models named CloudTalk first on the direct prompt; zero named Vapi. CloudTalk was named by eleven of the fourteen models and Vapi by fourteen and CloudTalk carries 24 labels and Vapi 39, so the shares are not directly comparable.
Named in thirteen categories this edition.
Named in one category this edition.
First-choice share19%13%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate8%33%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#3A position in a field of 8; printed, not drawn.
Labels2439A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, CloudTalk reading right to left. Rank and label count are printed, not drawn.Retell AI was named alongside these two in twelve of the fourteen direct answers. Retell AI vs CloudTalk · Retell AI vs Vapi · CloudTalk vs Bland AI
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 AI voice agents page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
CloudTalkFirst choices, of fourteen modelsVapi
Direct802 against Vapi
Paraphrase401 against CloudTalk
Comparative06
Budget-constrained072 against Vapi
Scale-constrained01
Negative001 against CloudTalk · 9 against Vapi
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 CloudTalk and Vapi 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 | | | | |
CloudTalk Vapi first choice named as an alternative argued againstblank: not namedEach cell is one answer, CloudTalk on the left and Vapi on the right.The direct prompt
The plain question, one answer per model, grouped by where CloudTalk and Vapi stood in it.
CloudTalk first, Vapi not the choice
8 of 14 modelsVapi was named in the answer but not as the choice, or not at all.Perplexity SonarCloudTalk alternatives: Retell AI, Salesforce Agentforce Voice, Synthflow AI
Mistral SmallCloudTalk, Retell AI alternatives: ElevenLabs Conversational AI, Leaping AI
Llama 4 MaverickAloware, CloudTalk alternatives: GetVoIP, Plivo
Qwen 3.7 FlashCloudTalk alternatives: Bland AI, Retell AI, Rezora IO
Kimi K2CloudTalk alternatives: Aloware, Retell AI, Synthflow
GLM 4.7 FlashXCloudTalk alternatives: Bland AI, Retell AI, Synthflow, Vapi.ai
MiniMax M2.5CloudTalk, Synthflow alternatives: Retell AI
Muse Glimmer 30BAloware, CloudTalk alternatives: HubSpot Breeze AI, Retell AI, Synthflow
Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Aloware, Retell AI alternatives: Synthflow, Vapi
Gemini 3.5 FlashAloware, Synthflow AI alternatives: Bland AI, Retell AI, Vapi
Grok 4.1 FastRetell AI alternatives: Bland AI, CloudTalk, Regal, Synthflow
DeepSeek V4 FlashRegal, Retell AI alternatives: CloudTalk, Synthflow AI
GPT-6 LunaRetell AI alternatives: PolyAI, Synthflow, Vapi
Neither was named
1 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniTwilio alternatives: Deepgram Voice Agent API, OpenAI Realtime / Voice agents
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
Mid-marketThe figures above
Enterprise
The order flips: Vapi leads at enterprise.
Vapi5%#8 of 11CloudTalk0%#– of 11What the models said about CloudTalk
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Billing disputes and auto-renewal complaints on Trustpilot ... not for standalone AI voice agent use.” DeepSeek V4 Flash · negative prompt · soft negative
“CloudTalk is called an "ideal voice agent solution for SMBs and mid-market sales teams that need an all-in-one platform for sales calls, follow-ups, and analytics"” Muse Glimmer 30B · direct prompt · first choice
What the models said about Vapi
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Vapi — Pricing Concerns - 55% price increase in December 2025” Kimi K2 · negative prompt · hard negative
“"API-First Only" Tools (e.g., Vapi, ElevenLabs): If you are not a developer, you should strictly avoid platforms that offer no visual builder” Qwen 3.7 Flash · negative prompt · soft negative
“it should be avoided or heavily vetted for regulated data like PHI, PCI, or GDPR-protected data without a signed Business Associate Agreement” Muse Glimmer 30B · negative prompt · soft negative
“*Developer-first / Infrastructure:* Vapi, Retell AI, Vocode, or Bland.ai. (Excellent for high customization, low latency, and BYO keys).” Gemini 3.5 Flash · scale prompt · first choice
“Choose Vapi if you want the fastest path to a production phone agent or a configurable voice-agent stack across many providers.” GPT-5.4 mini · comparative prompt · first choice
“For pure usage cost, Vapi is the lowest hosting entry point and Retell is the most quoted all-in low price with no platform fee.” Muse Glimmer 30B · budget prompt · first choice
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.