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Cartesia Managed Agents alternatives
Cartesia Managed Agents is a voice agent platform, with a free entry tier. Its site states: HIPAA. These 15 vendors are in the same product group and share the most published facts with it.
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 |
|---|---|---|---|---|---|---|---|
| — | Cartesia Managed Agents (the one you're replacing) | Free | $0.06 | — | Free plan | Claims HIPAA | |
| 1 | Retell AI Voice agent platform · site | Free | $0.07 | — | $10 free credits | BAA available | 1 shared feature |
| 2 | Famulor Voice agent platform · site | Free | — | — | No credit card | BAA available | 1 shared feature |
| 3 | LiveKit Agents Voice agent platform · site | Free | $0.01 | — | Free plan | BAA available | 1 shared feature |
| 4 | Vapi Voice agent platform · site | Free | $0.05 | — | $5 free credits | BAA available | 1 shared feature |
| 5 | ElevenLabs Agents Voice agent platform · site | Not published | — | — | Not stated | BAA available | 1 shared feature |
| 6 | Bland AI Voice agent platform · site | Free | $0.14 | — | Free plan | BAA available | 1 shared feature |
| 7 | Floatbot Voice agent platform · site | $99/mo | — | 500 min | 14-day free trial, no credit card | Claims HIPAA | 1 shared feature |
| 8 | Millis AI Voice agent platform · site | $0.02/min | $0.02 | — | Not stated | Not stated | |
| 9 | OpenMic Voice agent platform · site | $29/mo | — | — | Free trial | Not stated | |
| 10 | Telnyx Voice AI Agents Voice agent platform · site | $0.05/min | $0.05 | — | Not stated | Claims HIPAA | 1 shared feature |
| 11 | Synthflow Voice agent platform · site | Quote | — | — | Not stated | Not stated | |
| 12 | Thoughtly Voice agent platform · site | Not published | — | — | Not stated | BAA available | 1 shared feature |
| 13 | Twilio ConversationRelay Voice agent platform · site | Not published | — | — | Free trial, no credit card required | Claims HIPAA | 1 shared feature |
| 14 | Callin.io Voice agent platform · site | Free | $0.16 | — | Free trial | Not stated | |
| 15 | Dasha Voice agent platform · site | Free | $0.08 | — | Free plan | Not stated |
Each alternative in one line
- Retell AI: Pay-as-you-go voice agent platform for developers; component pricing for infra, voices, LLM and telephony. Retell AI alternatives
- Famulor: AI voice agent platform with per-minute pricing in euros, 120 languages and a BAA option. Famulor 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
- 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
- Bland AI: Developer voice AI platform with per-minute talk-time pricing, Conversational Pathways and self-hosting options. Bland AI alternatives
- Floatbot: No-code voicebot and chatbot builder for inbound and outbound calls, priced by voice minutes or chat sessions. Floatbot alternatives
- Millis AI: Low-latency voice agent platform from $0.02/min for no-code or code builders, with numbers in 100+ countries. Millis AI alternatives
- OpenMic: No-code voice agent builder with monthly plans; Business includes 1,000 minutes. OpenMic alternatives
- Telnyx Voice AI Agents: Voice AI agents on Telnyx's own carrier network, 80+ languages. Telnyx Voice AI 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
- Callin.io: White-label AI voice platform for agencies at a flat per-minute rate with no monthly fee. Callin.io alternatives
- Dasha: Developer voice-AI platform billed per second with 1,000 free minutes, any LLM and bring-your-own carrier. Dasha alternatives
Head-to-head comparisons
Cartesia Managed Agents vs ElevenLabs AgentsRetell AI vs VapiBland AI vs Retell AIRetell AI vs SynthflowRetell AI vs UltravoxRetell AI vs VoiceflowElevenLabs Agents vs Retell AIPolyAI vs Retell AIRetell AI vs ThoughtlyRetell AI vs SierraLiveKit Agents vs Retell AILiveKit Agents vs VapiBland AI vs VapiSynthflow vs VapiVapi vs Voiceflow
How we pick alternatives: same product group (voice platforms), at least one shared industry when Cartesia Managed Agents names any, then ranked by shared industries, stated features and integrations. Only facts from vendor sites; unknown values are left blank. Methodology.