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Callin.io alternatives
Callin.io is a voice agent platform, with a free entry tier. Its site states: CRM integration. 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 |
|---|---|---|---|---|---|---|---|
| — | Callin.io (the one you're replacing) | Free | $0.16 | — | Free trial | Not stated | |
| 1 | Famulor Voice agent platform · site | Free | — | — | No credit card | BAA available | 1 shared feature, 1 shared integration |
| 2 | Synthflow Voice agent platform · site | Quote | — | — | Not stated | Not stated | 1 shared feature, 1 shared integration |
| 3 | Dasha Voice agent platform · site | Free | $0.08 | — | Free plan | Not stated | 1 shared feature |
| 4 | ElevenLabs Agents Voice agent platform · site | Not published | — | — | Not stated | BAA available | 1 shared feature, 1 shared integration |
| 5 | OpenMic Voice agent platform · site | $29/mo | — | — | Free trial | Not stated | |
| 6 | Thoughtly Voice agent platform · site | Not published | — | — | Not stated | BAA available | 1 shared feature |
| 7 | Bland AI Voice agent platform · site | Free | $0.14 | — | Free plan | BAA available | |
| 8 | Cartesia Managed Agents Voice agent platform · site | Free | $0.06 | — | Free plan | Claims HIPAA | |
| 9 | Floatbot Voice agent platform · site | $99/mo | — | 500 min | 14-day free trial, no credit card | Claims HIPAA | |
| 10 | LiveKit Agents Voice agent platform · site | Free | $0.01 | — | Free plan | BAA available | |
| 11 | Millis AI Voice agent platform · site | $0.02/min | $0.02 | — | Not stated | Not stated | 1 shared feature |
| 12 | Retell AI Voice agent platform · site | Free | $0.07 | — | $10 free credits | BAA available | |
| 13 | Ultravox Voice agent platform · site | Free | $0.05 | — | Not stated | Not stated | |
| 14 | Vapi Voice agent platform · site | Free | $0.05 | — | $5 free credits | BAA available | |
| 15 | Vonage AI Studio Voice agent platform · site | Free | — | — | Free plan | Not stated | 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
- Synthflow: Enterprise voice AI platform for building phone agents with native telephony, SIP and contact-center integrations. Synthflow alternatives
- Dasha: Developer voice-AI platform billed per second with 1,000 free minutes, any LLM and bring-your-own carrier. Dasha alternatives
- ElevenLabs Agents: Voice and chat agent platform from ElevenLabs with 90+ languages and telephony integrations. ElevenLabs Agents alternatives
- OpenMic: No-code voice agent builder with monthly plans; Business includes 1,000 minutes. OpenMic alternatives
- Thoughtly: Voice AI agent platform with Basic, Business and Enterprise plans and a BAA for healthcare. Thoughtly alternatives
- Bland AI: Developer voice AI platform with per-minute talk-time pricing, Conversational Pathways and self-hosting options. Bland AI 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
- Floatbot: No-code voicebot and chatbot builder for inbound and outbound calls, priced by voice minutes or chat sessions. Floatbot 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
- 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
- Retell AI: Pay-as-you-go voice agent platform for developers; component pricing for infra, voices, LLM and telephony. Retell AI alternatives
- Ultravox: Speech-native real-time voice AI model and platform for developers. Ultravox alternatives
- Vapi: Developer platform for voice agents: $0.05/min hosting plus pass-through transcriber, model, voice and telephony. Vapi alternatives
- Vonage AI Studio: Low-code builder for voice and chat virtual agents on Vonage APIs, with free, advanced and fully managed plans. Vonage AI Studio alternatives
Head-to-head comparisons
Synthflow vs VapiBland AI vs SynthflowRetell AI vs SynthflowSynthflow vs VoiceflowElevenLabs Agents vs SynthflowElevenLabs Agents vs VapiElevenLabs Agents vs Retell AIBland AI vs ElevenLabs AgentsCartesia Managed Agents vs ElevenLabs AgentsRetell AI vs ThoughtlyBland AI vs VapiBland AI vs Retell AIBland AI vs Smith.ai AI ReceptionistBland AI vs PolyAIBland AI vs Sierra
How we pick alternatives: same product group (voice platforms), at least one shared industry when Callin.io names any, then ranked by shared industries, stated features and integrations. Only facts from vendor sites; unknown values are left blank. Methodology.