Voice AI and Agent Builders

Platforms for building a phone or voice assistant that can answer calls, book appointments, or run through a script with no human on the line. Speech recognition, turn-taking logic, and integrations that pass a finished call straight into a CRM are the core pieces.

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    Visual IVR builder for drag-and-drop voice workflows without coding

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    Customer service platform with voice AI agents for end-to-end call automation and routing

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    Business communications platform with AIR Pro voice-first AI agent builder

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    Enterprise conversational AI with watsonx Orchestrate for voice agents in contact centers

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    Realistic text-to-speech and voice cloning technology powering a conversational AI platform for building and deploying production voice agents.

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    Voice infrastructure platform with no-code AI voice agent builder and carrier-grade quality

  7. 7

    No-code voice agent builder by xAI that creates live agents from plain text descriptions in minutes.

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    Cloud contact center with AI Agent Studio for building voice agents with reasoning and tool calling

  9. 9

    Communications platform with Voice API and AI Studio for voice agent creation

  10. 10

    Communications platform with AI Agent Studio for voice agents that reason autonomously

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    Call center platform with 24/7 AI voice agent for inbound calls and smart routing

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    Speech-to-text and text-to-speech API provider with a Voice Agent API for building real-time conversational voice agents.

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    Enterprise contact center with Agentic Virtual Agents for voice and digital channels

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    No-code visual builder for designing conversational AI agents across voice and chat channels, letting teams ship without writing code.

  15. 15

    Business communications platform with AI receptionist for voice agent automation integrated with CRM systems

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    Enterprise platform for building voice and chat agents across multiple channels to handle customer interactions at scale.

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    Developer-first platform and API for building voice AI agents that handle phone calls, with integrated low-code workflow tooling.

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    Telecom platform with no-code AI Agent Builder for low-latency voice agents

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    Low-latency conversational voice API and agent builder for creating custom AI phone agents with minimal response delays.

  20. 20

    Conversational AI calling platform with CeTe voice agent for inbound and outbound calls under 400ms latency

  21. 21

    Contact center platform with AI Agents via Cognigy for conversational voice automation

  22. 22

    Cloud contact center with AI agents handling complex conversations and transfers

  23. 23

    Business phone system with Sona AI voice agent providing 24/7 call handling and CRM integration.

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    Voice API platform with AI agent builder for customizable inbound and outbound calling

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    Communication platform with multilingual AI voice agent for inbound support and appointment scheduling.

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    Enterprise voice AI platform enabling large brands to deploy customer service voice assistants at scale.

  27. 27

    No-code AI automation platform with voice agent capabilities for handling phone calls across apps

  28. 28

    No-code platform for building AI voice assistants that manage phone calls, appointment booking, and lead qualification.

  29. 29

    German platform for building AI voice agents that automate customer service calls in contact centers.

  30. 30

    Platform for building automated AI voice agents that make and receive phone calls at scale for sales and support operations.

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    Amazon's conversational AI service powered by Alexa with speech recognition and NLU

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    Google's conversational AI platform with voice agents in 50+ languages and visual builder

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    Open-source conversational AI framework for building custom voice and chat assistants, plus an enterprise platform for larger deployments.

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    Platform for building LLM-powered chat and voice agents using a visual flow builder, integrations, and managed hosting.

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    Enterprise conversational AI platform with Voice AI and IVR solutions built for contact centers

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    AI customer service platform with voice agents that autonomously resolve 80 percent of customer calls

  37. 37

    German enterprise platform for building voice and chat agents in contact centers with conversational AI.

  38. 38

    Multilingual conversational AI platform with voice agents for inbound and outbound calling

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    Outbound voice AI for sales teams to automate lead qualification, meeting booking, and campaign execution.

  40. 40

    Voice AI platform for building AI receptionists and voice agents that handle inbound and outbound calls at scale

  41. 41

    Enterprise AI voice agent platform with drag-and-drop workflow builder and hyper-realistic voices under 400ms latency

  42. 42

    AI agent platform by Bret Taylor and Clay Bavor for building customer-facing conversational agents across voice and chat.

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    Contact center platform combining voice agents, call handling, and full CRM integration for support teams.

  44. 44

    Voice AI platform with ultra-low-latency conversations, Dualplex mode, and support for 100+ languages.

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    Cloud contact center with visual IVR builder and conversational AI voice agents for call automation.

  46. 46

    No-code voice AI platform for automating inbound and outbound phone calls without technical skills.

  47. 47

    Open-source framework for developers to build real-time voice-based LLM agents for custom voice bot projects.

Frequently asked questions

音声AIエージェントと標準的な自動電話メニューの違いは何ですか?

標準的なメニューは基本的なルーティング機能を使用しますが、音声AIエージェントは音声認識と推論を使用して自然な会話を処理します。これらのエージェントは、複雑なスクリプトに従い、ツール呼び出しを使用してタスクを実行し、ユーザーのリクエストに対して自律的に推論を行うことができます。

これらのプラットフォームを使って、音声エージェントを既存の顧客データと連携させることはできますか?

はい。このカテゴリーの多くの選択肢は、通話情報を直接CRMに送るように設計されているか、あるいはインテグレーションを利用して、通話の自動化からルーティングまでをエンドツーエンドで管理できるようになっています。

音声アシスタントを構築するには、プログラミングの知識が必要ですか?

必要ありません。多くのプラットフォームが、ノーコードのビルダー、視覚的なドラッグアンドドロップのワークフロー、またはプレーンテキストによる説明から数分でエージェントを作成できる機能を提供しています。

これらのプラットフォームは、音声そのものの音声をどのように扱っていますか?

基盤となる技術に特化し、リアルなテキスト読み上げ、音声クローニング、高速な音声文字起こしAPIを提供するプロバイダーもあります。また、これらのエージェントを大規模に展開するために必要な、通信インフラ一式とキャリアグレードの品質を提供するプロバイダーもあります。