# Pipecat vs Retell AI
_Voice Agents · independent comparison_

> Pipecat and Retell AI take different routes to the same job: one is a commercial product, the other open-source and self-hostable. Choose based on whether you want a managed experience or full control.

## Side by side

**Pipecat**
- Open source · Framework · 16k★ · Python · BSD-2-Clause · active today
- Best for: Python developers who want to choose the services and processing stages in a custom voice or multimodal application.
- Avoid if: You need a ready-made call-center product without implementing and operating an application.
- [listing](https://agentsearchengine.app/agents/pipecat) · [official](https://pipecat.ai)

**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)

## Key differences

- Retell AI is a commercial product; Pipecat is open-source and self-hostable.
- Pricing model differs — Pipecat is open source, Retell AI is paid product.

## Which to choose

**Choose Pipecat if:** Python developers who want to choose the services and processing stages in a custom voice or multimodal application.

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

## FAQ

**What's the main difference between Pipecat and Retell AI?**
Retell AI is a commercial product; Pipecat is open-source and self-hostable.

**Is Pipecat or Retell AI better?**
Neither is universally better. Pipecat is the stronger fit for Python developers who want to choose the services and processing stages in a custom voice or multimodal application; 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 Pipecat or Retell AI free?**
Pipecat is free to run and self-host; Retell AI is a paid product.

**Which is more popular, Pipecat 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/pipecat-vs-retell-ai