Vendor links go through /go/ redirects. None of them pays us today; if one starts to, it will be marked “(paid link)”. Money never changes which tools we list or how we rank them. How we make money
Voiceflow alternatives
Voiceflow is a voice agent platform, with no published monthly price. Its site states: HIPAA. These 15 vendors are in the same product group and share the most published facts with it.
Voiceflow does not publish a monthly price. 2 of the alternatives publish a paid monthly plan, the lowest being OpenMic at $29/month.
Price comparison
| # | Vendor | Starts at | Per-min | Included | Free trial | HIPAA | Why it's here |
|---|---|---|---|---|---|---|---|
| — | Voiceflow (the one you're replacing) | Not published | — | — | Not stated | Claims HIPAA | |
| 1 | Famulor Voice agent platform · site | Free | — | — | No credit card | BAA available | 1 shared feature |
| 2 | Floatbot Voice agent platform · site | $99/mo | — | 500 min | 14-day free trial, no credit card | Claims HIPAA | 1 shared feature |
| 3 | Dasha Voice agent platform · site | Free | $0.08 | — | Free plan | Not stated | |
| 4 | LiveKit Agents Voice agent platform · site | Free | $0.01 | — | Free plan | BAA available | 1 shared feature |
| 5 | OpenMic Voice agent platform · site | $29/mo | — | — | Free trial | Not stated | |
| 6 | Retell AI Voice agent platform · site | Free | $0.07 | — | $10 free credits | BAA available | 1 shared feature |
| 7 | Telnyx Voice AI Agents Voice agent platform · site | $0.05/min | $0.05 | — | Not stated | Claims HIPAA | 1 shared feature |
| 8 | Vapi Voice agent platform · site | Free | $0.05 | — | $5 free credits | BAA available | 1 shared feature |
| 9 | ElevenLabs Agents Voice agent platform · site | Not published | — | — | Not stated | BAA available | 1 shared feature |
| 10 | Synthflow Voice agent platform · site | Quote | — | — | Not stated | Not stated | |
| 11 | Thoughtly Voice agent platform · site | Not published | — | — | Not stated | BAA available | 1 shared feature |
| 12 | Twilio ConversationRelay Voice agent platform · site | Not published | — | — | Free trial, no credit card required | Claims HIPAA | 1 shared feature |
| 13 | Bland AI Voice agent platform · site | Free | $0.14 | — | Free plan | BAA available | 1 shared feature |
| 14 | Callin.io Voice agent platform · site | Free | $0.16 | — | Free trial | Not stated | |
| 15 | Cartesia Managed Agents Voice agent platform · site | Free | $0.06 | — | Free plan | Claims HIPAA | 1 shared feature |
Each alternative in one line
- Famulor: AI voice agent platform with per-minute pricing in euros, 120 languages and a BAA option. Famulor alternatives
- Floatbot: No-code voicebot and chatbot builder for inbound and outbound calls, priced by voice minutes or chat sessions. Floatbot alternatives
- Dasha: Developer voice-AI platform billed per second with 1,000 free minutes, any LLM and bring-your-own carrier. Dasha alternatives
- LiveKit Agents: Open-source agent framework plus LiveKit Cloud for deploying voice agents, with per-minute agent sessions and built-in telephony. LiveKit Agents alternatives
- OpenMic: No-code voice agent builder with monthly plans; Business includes 1,000 minutes. OpenMic alternatives
- Retell AI: Pay-as-you-go voice agent platform for developers; component pricing for infra, voices, LLM and telephony. Retell AI alternatives
- Telnyx Voice AI Agents: Voice AI agents on Telnyx's own carrier network, 80+ languages. Telnyx Voice AI Agents alternatives
- Vapi: Developer platform for voice agents: $0.05/min hosting plus pass-through transcriber, model, voice and telephony. Vapi alternatives
- ElevenLabs Agents: Voice and chat agent platform from ElevenLabs with 90+ languages and telephony integrations. ElevenLabs Agents alternatives
- Synthflow: Enterprise voice AI platform for building phone agents with native telephony, SIP and contact-center integrations. Synthflow alternatives
- Thoughtly: Voice AI agent platform with Basic, Business and Enterprise plans and a BAA for healthcare. Thoughtly alternatives
- Twilio ConversationRelay: Twilio API that handles speech-to-text, text-to-speech and turn-taking on phone calls while you bring your own LLM. Twilio ConversationRelay alternatives
- Bland AI: Developer voice AI platform with per-minute talk-time pricing, Conversational Pathways and self-hosting options. Bland AI alternatives
- Callin.io: White-label AI voice platform for agencies at a flat per-minute rate with no monthly fee. Callin.io alternatives
- Cartesia Managed Agents: Voice agent builder from the Sonic TTS maker: $0.06 per call minute, with prepaid agent dollars on every plan. Cartesia Managed Agents alternatives
Head-to-head comparisons
Vapi vs VoiceflowSynthflow vs VoiceflowRetell AI vs VoiceflowLiveKit Agents vs VapiLiveKit Agents vs Retell AIRetell AI vs VapiBland AI vs Retell AIRetell AI vs SynthflowRetell AI vs UltravoxElevenLabs Agents vs Retell AIPolyAI vs Retell AIRetell AI vs ThoughtlyRetell AI vs SierraBland AI vs VapiSynthflow vs Vapi
How we pick alternatives: same product group (voice platforms), at least one shared industry when Voiceflow names any, then ranked by shared industries, stated features and integrations. Only facts from vendor sites; unknown values are left blank. Methodology.