The 6 Best Retell AI Alternatives in 2026 (Voice AI Agents)
Dušan Jovović
Founder of Tolodora. I hunt for smaller, lesser-known tools that punch above their weight — and I only recommend the ones I'd actually use.
Retell AI lets developers build natural voice agents for phone calls, but depending on whether you want a no-code builder, scale, or open source, another tool may fit. Here are six Retell AI alternatives I'd consider in 2026.
Vapi
- Pricing
- 8.2/10
- Functionality
- 9.2/10
- Ease of use
- 8.2/10
- Support
- 8.2/10
What I like
A flexible developer platform for low-latency voice agents with lots of control.
Best for
Flexible developer voice agents.
Vapi is a developer platform for building low-latency voice AI agents. A direct, powerful Retell alternative.
Bland AI
- Pricing
- 8.0/10
- Functionality
- 9.0/10
- Ease of use
- 8.4/10
- Support
- 8.0/10
What I like
Programmable AI phone calls built for reliability at scale.
Best for
AI calls at scale.
Bland AI offers programmable AI phone agents for high-volume calling. The pick for scale and reliability.
Synthflow
- Pricing
- 8.4/10
- Functionality
- 9.0/10
- Ease of use
- 9.0/10
- Support
- 8.2/10
What I like
No-code voice AI agents for businesses without developers.
Best for
No-code voice agents.
Synthflow builds voice AI assistants with no code and integrations. The pick for non-technical teams.
Air
- Pricing
- 7.4/10
- Functionality
- 8.8/10
- Ease of use
- 8.2/10
- Support
- 8.0/10
What I like
AI that handles full sales and customer calls end to end.
Best for
AI sales calling.
Air provides AI agents that conduct full sales and CS phone conversations. The pick for autonomous calling.
Play.ai
- Pricing
- 8.2/10
- Functionality
- 9.0/10
- Ease of use
- 8.4/10
- Support
- 8.0/10
What I like
Realtime, expressive voice models and agents with lifelike output.
Best for
Expressive realtime voice.
Play.ai offers realtime voice models and agent tooling. Great for natural-sounding voice agents.
Vocode
- Pricing
- 9.5/10
- Functionality
- 8.8/10
- Ease of use
- 7.6/10
- Support
- 7.8/10
What I like
Open-source framework for building voice AI agents your own way.
Best for
Open-source voice agents.
Vocode is an open-source library for voice LLM agents. The pick for developers wanting full control.
Want a flexible developer platform? Vapi. Calls at scale? Bland AI. No-code voice agents? Synthflow. Sales-focused AI calling? Air. Realtime voice? Play.ai. Open-source agents? Vocode. Pick by no-code versus developer versus scale.
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