# CloudTalk vs Vapi: which do AI models recommend for AI voice agents, October 2026

GTM AI Recommendation Index, October 2026 Edition, AI voice agents. Eight of fourteen models named CloudTalk first on the direct prompt; zero named Vapi. Page: https://gtm-ai-index.com/customer/ai-voice-agents/cloudtalk-vs-vapi/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| CloudTalk | 19% | #2 of 8 | 8% | 24 | 11 of 14 |
| Vapi | 13% | #3 of 8 | 33% | 39 | 14 of 14 |

## The direct prompt, model by model

- Perplexity Sonar: cloudtalk first (first choices: CloudTalk) (alternatives: Retell AI, Salesforce Agentforce Voice, Synthflow AI)
- Mistral Small: cloudtalk first (first choices: CloudTalk, Retell AI) (alternatives: ElevenLabs Conversational AI, Leaping AI)
- Llama 4 Maverick: cloudtalk first (first choices: Aloware, CloudTalk) (alternatives: GetVoIP, Plivo)
- Qwen 3.7 Flash: cloudtalk first (first choices: CloudTalk) (alternatives: Bland AI, Retell AI, Rezora IO)
- Kimi K2: cloudtalk first (first choices: CloudTalk) (alternatives: Aloware, Retell AI, Synthflow)
- GLM 4.7 FlashX: cloudtalk first (first choices: CloudTalk) (alternatives: Bland AI, Retell AI, Synthflow, Vapi.ai)
- MiniMax M2.5: cloudtalk first (first choices: CloudTalk, Synthflow) (alternatives: Retell AI)
- Muse Glimmer 30B: cloudtalk first (first choices: Aloware, CloudTalk) (alternatives: HubSpot Breeze AI, Retell AI, Synthflow)
- Claude Haiku 4.5: neither first, one named (first choices: Aloware, Retell AI) (alternatives: Synthflow, Vapi)
- Gemini 3.5 Flash: neither first, one named (first choices: Aloware, Synthflow AI) (alternatives: Bland AI, Retell AI, Vapi)
- Grok 4.1 Fast: neither first, one named (first choices: Retell AI) (alternatives: Bland AI, CloudTalk, Regal, Synthflow)
- DeepSeek V4 Flash: neither first, one named (first choices: Regal, Retell AI) (alternatives: CloudTalk, Synthflow AI)
- GPT-6 Luna: neither first, one named (first choices: Retell AI) (alternatives: PolyAI, Synthflow, Vapi)
- GPT-5.4 mini: neither named (first choices: Twilio) (alternatives: Deepgram Voice Agent API, OpenAI Realtime / Voice agents)

## What the models said about CloudTalk

- "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

- "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)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.