Voiceflowの代替（2026）
Voiceflowの開始価格は Not published です。下の製品は同じカテゴリに載っています。
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.
料金: From $0.14/min. 向いている用途: Regulated teams that want a single per-minute voice rate
ほかのリスト おすすめのAI音声エージェント.
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.
料金: From $6/mo. 向いている用途: Teams that want voice agents with a free starting allowance
ほかのリスト おすすめのAI音声エージェント.
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.
料金: From $29.99/user/mo. 向いている用途: Teams that want one assistant in Slack with a shared credit pool and an approval step before it sends or changes anything.
ほかのリスト おすすめのAI音声エージェント.
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.
料金: Custom. 向いている用途: Contact centers that want enterprise voice agents on existing systems
ほかのリスト おすすめのAI音声エージェント.
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.
料金: From $0.07/min. 向いている用途: Teams that want usage-priced phone agents without an annual contract
ほかのリスト おすすめのAI音声エージェント.
6
Synthflow
Synthflow designs, tests, and launches voice agents, and says it can connect through its own telephony or a customer's SIP trunk. The homepage names Cisco, Avaya, Genesys, and RingCentral among phone-system connections.
料金: From $30000/yr. 向いている用途: Enterprises deploying voice agents on existing telephony
ほかのリスト おすすめのAI音声エージェント.
7
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.
料金: Not published. 向いている用途: Revenue teams that need immediate follow-up on inbound leads
ほかのリスト おすすめのAI音声エージェント.
8
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.
料金: From $0.05/min. 向いている用途: Developers and enterprises building their own voice agents
ほかのリスト おすすめのAI音声エージェント.