Buyer's guide · Updated July 2026Best Retell AI Alternatives in 2026
Retell AI is a solid managed voice-agent platform, but combined usage rates around $0.07/min add up at volume, and the product is voice-agents-only. These six alternatives cover cheaper infrastructure, no-code builders, and unified communication platforms.
Third-party rates below are published/advertised figures — always verify against current vendor pricing and model your own usage before deciding.
Why teams look for Retell AI alternatives
- Combined per-minute rates compound at contact-center volume.
- You need meetings, widgets, translation, or team calling alongside agents.
- You want to bring your own AI providers and pay them directly.
The 6 best Retell AI alternatives at a glance
| Platform | Best for | Published pricing |
|---|
| MediaSFU | Teams consolidating agents plus the rest of their communication stack | Agent infrastructure $0.002/min; audio transport $0.0001/min; BYOK — AI and SIP provider costs stay direct with no markup. |
| Vapi | Engineering teams that want maximum pipeline configurability | Around $0.05/min orchestration plus provider costs (all-in commonly $0.13–$0.31/min). |
| Synthflow | Non-technical teams and agencies | Plans from around $29/month with bundled minutes. |
| Bland AI | High-volume outbound programs | Advertised around $0.09–$0.11 per talk minute. |
| ElevenLabs Agents | Voice-quality-first products | Published additional-call rates around $0.08/min on paid tiers. |
| Telnyx | Telephony-heavy teams wanting carrier-level control | Carrier per-minute rates plus AI usage. |
Each alternative in detail
#1
MediaSFUOur platform
Unified platform: voice agents, meetings, cloud phone, translation, and widgets
Disclosure: MediaSFU is our platform. We have kept this entry factual and linked published pricing so you can verify every claim.
Strengths- Agent infrastructure at $0.002/min — a fraction of typical bundled voice-agent rates
- BYOK for STT, LLM, TTS, and SIP with no markup
- Human handoff, campaigns, contacts, recording, and transcripts included
- No-code studios plus 10 SDKs for deeper builds
Trade-offs- Smaller voice-AI-only community
- Broader surface takes longer to fully explore
#2
Vapi
Developer-first voice-agent orchestration
Strengths- Highly configurable pipelines
- Large ecosystem and examples
- Fast iteration for developers
Trade-offs- Provider costs stack on the platform fee
- API-first — thin no-code story
#3
Synthflow
No-code voice agent builder with subscription pricing
Strengths- No-code setup and templates
- Predictable monthly pricing at low volume
- White-label options for agencies
Trade-offs- Less pipeline control
- Bundled minutes get costly at scale
#4
Bland AI
API for scaled phone agents
Strengths- Simple, focused API
- Enterprise self-hosted-model story
Trade-offs- Higher published per-minute rate
- Phone-only scope
#5
ElevenLabs Agents
Agents built on ElevenLabs voices
Strengths- Premium voice quality
- Unified voice + agent stack
Trade-offs- Voice-stack lock-in
- Newer telephony/workflow tooling
#6
Telnyx
Carrier network with voice AI
Strengths- Own network, global numbers, strong SIP control
- Competitive PSTN rates
Trade-offs- Telecom-shaped setup
- Younger agent tooling
When staying with Retell AI makes sense
- You want a managed, contact-center-shaped voice-agent product with minimal assembly.
- Your volume is modest and the bundled rate is simpler than managing providers.
Frequently asked questions
What is the cheapest Retell AI alternative on infrastructure?
MediaSFU publishes $0.002 per agent minute plus $0.0001 per audio minute with BYOK provider billing — well below typical bundled voice-agent rates. Validate with your own volume and provider mix.
Do these alternatives support human handoff?
MediaSFU supports AI-to-human handoff natively alongside campaigns and cloud phone. On voice-only platforms, handoff support varies — check each vendor’s transfer and escalation features.
Can I bring my own LLM and TTS providers?
MediaSFU and Vapi both support bring-your-own-key provider configuration. Bundled platforms like Synthflow manage providers for you, trading flexibility for simplicity.
Which option also covers meetings and website widgets?
MediaSFU is the only option on this list that includes video meetings, live translation, click-to-call widgets, and SDKs in the same platform as voice agents.
Test the cheapest option on this list in minutes
Start free with 50,000 developer minutes, call a live phone-agent demo, or model your exact workload on the pricing page.