# Deepgram Voice Agent API vs Retell AI
_Voice Agents · independent comparison_

> Deepgram Voice Agent API and Retell AI are both commercial voice agents. GitHub stars don't measure commercial adoption, so weigh them on pricing model, capabilities, and how you want to buy — not on a star count.

## Side by side

**Deepgram Voice Agent API**
- Paid product · Platform
- Best for: Developers who want a managed voice pipeline with API-level control of agent behavior and tools.
- Avoid if: You need a ready-made phone-support application without implementing and testing conversation logic.
- [listing](https://agentsearchengine.app/agents/deepgram-voice-agent) · [official](https://deepgram.com/product/voice-agent-api)

**Retell AI**
- Paid product · Platform
- Best for: Teams configuring AI phone conversations and transfer behavior through a managed platform.
- Avoid if: You need a proven latency or transfer-success result before choosing; documentation describes capabilities, but your call paths still require evaluation.
- [listing](https://agentsearchengine.app/agents/retell-ai) · [official](https://retellai.com)

## Which to choose

**Choose Deepgram Voice Agent API if:** Developers who want a managed voice pipeline with API-level control of agent behavior and tools.

**Choose Retell AI if:** Teams configuring AI phone conversations and transfer behavior through a managed platform.

## FAQ

**What's the main difference between Deepgram Voice Agent API and Retell AI?**
Both are voice agents built for a similar job; the differences are subtle — compare them on pricing and delivery model in the table above.

**Is Deepgram Voice Agent API or Retell AI better?**
Neither is universally better. Deepgram Voice Agent API is the stronger fit for Developers who want a managed voice pipeline with API-level control of agent behavior and tools; Retell AI for Teams configuring AI phone conversations and transfer behavior through a managed platform. Use the side-by-side specs to decide by your own constraints.

**Is Deepgram Voice Agent API or Retell AI free?**
Deepgram Voice Agent API is a paid product; Retell AI is a paid product.

**Which is more popular, Deepgram Voice Agent API or Retell AI?**
We rank open-source projects by GitHub adoption, but at least one of these is a commercial product and stars don't measure commercial adoption — so compare them on capabilities and pricing instead.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/compare/deepgram-voice-agent-vs-retell-ai