Source: https://bestagentsfor.com/ja/agents/voiceflow/alternatives/
Markdown: https://bestagentsfor.com/ja/agents/voiceflow/alternatives/index.md

Title: Voiceflowの代替（2026） | Best Agents For

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# 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。

Voiceflowの料金と機能

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.