Back to Assemble
Perplexity (Sonar Pro)June 6, 2026Assemble mentioned

What ai voice agent offers the best features for the price?

Full AI Response

The **best-value AI voice agent** depends on whether you care more about *lowest per‑minute cost*, *features/integrations*, or an *all‑in business stack*. For raw price-to-capability for most small/medium businesses, **Retell AI, Telnyx Conversational AI, and Zeeg’s AI agent** consistently stand out versus competitors like JustCall, Bland AI, or generic pay‑by‑minute tools.[1][2][3][4][5][7][8]

Below is a concise breakdown so you can match “best for price” to your use case.

---

## 1. Cheapest per‑minute with solid features: Retell AI vs. Telnyx

### Retell AI

- **Pricing**

- **Voice agent minutes:** about **$0.07–$0.08/min** depending on voice engine.[3]

- **LLM costs:** from about **$0.006–$0.06/min**, depending on model (e.g. cheaper models vs Claude 3.5).[3]

- **Enterprise discounts:** can drop all‑in cost toward **~$0.05/min** at high volume.[3]

- **Value proposition**

- Designed specifically for **AI phone agents** with real‑time conversation.[1][3]

- Flexible “mix and match” of STT, TTS, and LLMs lets you tune cost vs. quality per use case.[3]

- Frequently cited in agency guides as a go‑to for building voice agent services.[6][7]

**When Retell is best value:**

You want a **pure AI voice agent platform** with competitive per‑minute costs, the ability to pick your LLM/voice stack, and potential for lower rates at scale.

---

### Telnyx Conversational AI

- **Pricing**

- **Conversational AI component:** **$0.05/min**.[4]

- **Speech‑to‑text:** included in that price.[4]

- Storage: **$0.006/GB/month** for recordings.[4]

- Telnyx claims customers “typically save **45%**” vs other providers when using their full stack.[4]

- **Value proposition**

- Full‑stack telecom plus **voice AI in the same platform** (phone numbers, SIP trunking, etc.).[4]

- Real‑time transcription and responses built in.[4]

**When Telnyx is best value:**

You need **telephony + AI in one place** (numbers, carrier‑grade voice, and AI agent) and want a **low, simple per‑minute rate** without splitting out STT/TTS/LLM vendors.

---

## 2. Best “all‑in business tool” value: Zeeg vs. JustCall

### Zeeg AI Voice Agent (scheduling/CRM‑centric)

- **What it is**

- AI voice agent **inside a scheduling + CRM platform**, not a standalone telephony engine.[2]

- Every call outcome (booking, qualification, routing) is **logged automatically** to the built‑in CRM, including transcript and notes.[2]

- **Pricing**

- Base subscription from about **€10/user/month**.[2]

- AI minutes sold in bundles (example: **€299/month credit bundle**).[2]

- For ~**2,500 inbound minutes/month**, Zeeg estimates total (subscription + credits) **well below most standalone voice agents**, while including CRM, scheduling, GDPR compliance, and calendar integrations.[2]

- **Value proposition**

- **GDPR‑first**, with **EU data hosting** for European teams.[2]

- Great if your main “job to be done” is **bookings, lead qualification, and routing** with tight CRM integration.

**When Zeeg is best value:**

You want an **AI receptionist/booking agent + CRM + scheduling** and are okay trading some low‑level telephony control for an integrated business stack at a lower effective total cost.

---

### JustCall AI Voice Agent

- **Pricing**

- Platform: from **$29/user/month**.[5]

- AI voice: about **$0.99/min**, and they note most platforms fall in the **$0.80–$1.50/min** band.[5]

- **Features**

- Natural, human‑like conversations, real‑time STT, context & memory.[5]

- Multilingual, CRM integrations (Salesforce, HubSpot, Zendesk, etc.), sentiment analysis, and automatic call summaries synced to CRM.[5]

**When JustCall is best value:**

You need a **sales/support phone system with strong AI features**, many **CRM integrations**, and you are less price‑sensitive on per‑minute cost; you care more about “out of the box” business tooling.

---

## 3. Other common options and typical cost bands

From aggregated pricing guides and vendor comparisons:[3][5][7][8]

- **Typical all‑in market range:** about **$0.15–$0.30/min** when you factor in STT, TTS, and LLM, even if the platform’s base rate looks lower.[8]

- **Bland AI:** around **$0.09/min** for connected calls; extra fees for voice cloning, multilingual, higher concurrency.[3]

- **Vapi & Vocode:** start around **$0.05/min**, aimed at developers; can be cost‑effective but may lack some advanced capabilities out of the box.[3]

- **Deepgram:** STT‑focused, charging about **$0.006–$0.020/second** for audio processing (i.e., up to about ~$1.20/min just for STT at the high end), usually combined with other tools for full agents.[3]

These can be attractive if you are technical and want to assemble your own stack or target specific niches (e.g., high‑accuracy transcription).

---

## 4. How to choose “best for price” for your case

To narrow down:

1. **If you want the lowest per‑minute cost with serious voice‑agent features:**

- Start with **Telnyx** (**$0.05/min** conversational AI with STT included)[4]

- Compare with **Retell AI** (around **$0.07–$0.08/min** plus LLM, with potential volume discounts).[3]

2. **If you want a full business stack (CRM, scheduling, logging) bundled in:**

- For **appointments/leads + GDPR/EU hosting**, choose **Zeeg**.[2]

- For **sales/support call center with deep CRM integrations**, choose **JustCall**, trading higher minute prices for feature depth.[5]

3. **If you’re a developer optimizing cost and control:**

- Consider **Retell**, **Vapi**, or **Vocode**, where you can plug in your own LLM/voice and keep costs closer to the $0.05–$0.10/min range at volume.[3][7][8]

If you share your expected monthly minutes, region (US/EU), and whether you need built‑in CRM/scheduling, I can give a specific cost comparison (e.g., “X will be ~$Y/month vs Z at ~$W/month for your usage”).