Alternativas a Synthflow en 2026

Synthflow parte de From $30000/yr. Los productos de abajo aparecen en las mismas categorías.

Precio y funciones de Synthflow

1. 1

   Bland AI

   Bland builds and runs inbound and outbound phone agents, with pathways, transfers, and connectors to telephony and CRM tools. The site says the per-minute rate includes the language model, speech-to-text, and text-to-speech, and that telephony is billed separately.

   Precio: From $0.14/min. Para quién: Regulated teams that want a single per-minute voice rate

   También aparece en Mejores agentes de voz con IA.

2. 2

   ElevenLabs Agents

   ElevenLabs Agents is a conversational AI product for voice and chat, with a workflow builder, knowledge base, and phone connectivity through a customer's telephony provider. The agents pricing page bills by call minutes and says LLM usage is extra.

   Precio: From $6/mo. Para quién: Teams that want voice agents with a free starting allowance

   También aparece en Mejores agentes de voz con IA.

3. 3

   Lindy

   Lindy is a shared AI teammate in Slack, email, and iMessage that can research, draft, update tools, and take meeting notes. It ships with 40+ skills and says it connects to 1,000+ tools plus MCP. Actions that send or write wait for approval.

   Precio: From $29.99/user/mo. Para quién: Teams that want one assistant in Slack with a shared credit pool and an approval step before it sends or changes anything.

   También aparece en Mejores agentes de voz con IA.

4. 4

   PolyAI

   PolyAI builds dialog agents in Dialog Studio and runs them on its own models, including the audio-native Dialog-RSN-1 model. The homepage cites resolution without a human agent on its largest deployments and lists SOC 2+ Type 2, ISO 27001, PCI DSS, and GDPR.

   Precio: Custom. Para quién: Contact centers that want enterprise voice agents on existing systems

   También aparece en Mejores agentes de voz con IA.

5. 5

   Retell AI

   Retell AI is a dashboard and API for building voice agents that handle inbound calls, outbound campaigns, chat, and SMS. The homepage says voice agents cost $0.07 to $0.31 per minute depending on model, voice, and add-ons, and that signup includes $10 in credits.

   Precio: From $0.07/min. Para quién: Teams that want usage-priced phone agents without an annual contract

   También aparece en Mejores agentes de voz con IA.

6. 6

   Thoughtly

   Thoughtly responds to inbound leads by voice, SMS, or email, qualifies them, and books meetings, then logs the interaction to a CRM. The pricing page says voice, SMS, email, and workflows are in every plan.

   Precio: Not published. Para quién: Revenue teams that need immediate follow-up on inbound leads

   También aparece en Mejores agentes de voz con IA.

7. 7

   Vapi

   Vapi provides orchestration, telephony, and monitoring so developers can configure voice, conversation flow, and integrations. The site says enterprise options include SSO, HIPAA, PCI, and SOC 2.

   Precio: From $0.05/min. Para quién: Developers and enterprises building their own voice agents

   También aparece en Mejores agentes de voz con IA.

8. 8

   Voiceflow

   Voiceflow is a builder for conversational agents across web, app, WhatsApp, SMS, and voice. The site describes workflows, evaluations, and production environments, and says teams can choose major model providers or bring their own model.

   Precio: Not published. Para quién: CX teams that design and operate their own agents

   También aparece en Mejores agentes de voz con IA.