Use case guide
Looking for AI tools for voice agents? This guide lists approved directory tools that fit voice agents workflows. Compare features, pricing notes, and categories before you commit.
52 curated tools below.
Adobe's generative AI suite for creating images, video, audio and vector graphics — commercially safe, trained on licensed content and deeply integrated with Creative Cloud.
Acclaim is an enterprise voice-first AI customer experience platform purpose-built for regulated industries such as banking, fintech, insurance, and healthcare revenue cycle organizations. It deploys goal-oriented AI voice agents for tasks like payment collections, sales outreach, and customer service, with compliance guardrails, full audit logging, and on-premises or private-cloud deployment for data sovereignty. The company was formerly known as Aiphoria before rebranding and launching in the U.S. in 2026.
Algolia is a search-as-a-service platform built for fast, relevant search. It helps businesses improve search across websites and apps, using machine learning and ranking rules to return useful results quickly.
Too lazy to read an article? no problem, listen to it! Convert Articles To Audio. Article.Audio is an AI voice generation platform that turns written content into audio narration. It is aimed mostly at content creators and media businesses, and its main appeal is straightforward: it makes articles, scripts, and documents easier to listen to.
Build new AI products with voice data leveraging AssemblyAI’s industry-leading Voice AI models for accurate speech-to-text, speaker detection, sentiment analysis, chapter detection, PII redaction, and more.
AssemblyAI is a developer-first speech intelligence platform. It provides speech-to-text (batch and streaming), speech understanding features (summarisation, PII redaction, topic detection), and a bundled Voice Agent API that combines STT, LLM routing, TTS, and turn detection over one WebSocket. It targets product teams building transcription, analytics, or voice agents without stitching multiple vendors.
Bland AI is a managed voice agent platform for inbound and outbound phone calls. Unlike orchestration-only tools, Bland bundles STT, LLM, TTS, and telephony into one per-minute rate on self-serve plans (vendor claim). It targets regulated enterprises wanting compliant, production phone agents with pathways, automations, and CRM integrations without assembling five vendors.
Browse AI is a no-code platform for extracting structured data from websites, monitoring pages for changes, and turning any site into an API endpoint. Users train "robots" by recording actions on a page, then scale extraction across thousands of URLs with built-in bot evasion, automatic retries, and workflow automation. It targets business teams and developers who need reliable web data without maintaining custom scraper infrastructure.
Doubao is ByteDance's flagship AI assistant for the Chinese market, built on in-house Doubao/Seed large language models via Volcano Engine. It offers conversational chat, writing assistance, English learning, deep research, AI podcasts, image generation, and real-time voice and video calls with visual reasoning. With 300M+ users as of 2026, it is China's most-used consumer AI app. An international variant (Cici/Dola) uses third-party models; the core Doubao product is optimized for Mandarin and China-region services.
echowin is a no-code platform for building, deploying, and monitoring AI voice and chat agents across phone, web chat, WhatsApp, SMS, Discord, and Slack. Users describe agent behavior in plain English, add knowledge from websites and documents, connect tools (calendars, CRM, inventory), and deploy omnichannel without training models or running telephony infrastructure. Business Compass analytics surfaces call trends, sentiment, and revenue signals.
ElevenLabs is a leading AI audio platform for realistic text-to-speech, voice cloning, speech-to-text, dubbing, sound effects, music generation, and conversational AI agents (ElevenAgents). It serves creators, developers, publishers, and enterprises with a unified credit system across products. Known for high-quality voice synthesis, multilingual support, and low-latency API used in apps, audiobooks, games, and customer service bots.
Fireflies.ai is an AI meeting assistant that records, transcribes, and summarizes calls across Zoom, Google Meet, Microsoft Teams, Webex, and 10+ platforms. It auto-joins calendar meetings or accepts uploads, produces searchable transcripts in 100+ languages, and generates action items and summaries. Paid tiers add video recording, CRM sync, conversation intelligence, and team analytics. AskFred AI assistant handles follow-up queries on meeting content.
Fish Audio is an AI voice platform for expressive text-to-speech, instant voice cloning, and speech-to-text. Its S2.1 Pro model supports emotion tags, long-form narration, and sub-500ms streaming latency. The platform hosts 2M+ community voices and serves creators, developers, and enterprises through a web studio and developer API.
Gojiberry AI is a strong fit for 101AItools. It targets a high-value audience (B2B founders, SaaS companies, agencies, and sales teams) and has a clear AI-first value proposition around autonomous sales and go-to-market (GTM) automation. According to its website, the platform learns about a business from its website, identifies high-intent prospects, and automates multichannel outreach across email and social channels.
Grok is a real-time, live-data AI assistant built into X that is best for news junkies, crypto traders, and creators who need up-to-the-second global trends, unfiltered image generation, and native slide-deck creation.
HeyGen is an AI video generation platform that enables users to create professional-quality videos using realistic AI avatars, voice cloning, text-to-video generation, and multilingual video translation. It is widely used by businesses, marketers, educators, and content creators to produce studio-style videos without cameras, actors, or video editing expertise.
Hume AI builds emotionally intelligent voice AI centered on its Empathic Voice Interface (EVI) speech-to-speech models and Octave text-to-speech models, which understand and express emotional nuance in tone. Developers use Hume's API to build voice agents, support bots, and TTS applications that adapt tone to context and detected emotion. It serves developers and product teams building conversational voice products.
Hyro is an Adaptive Communications Platform that deploys agentic AI assistants for healthcare systems and enterprise contact centers. Rather than requiring teams to manually build conversational flows, Hyro automatically ingests data from sources like EHRs, websites, and CRMs into a knowledge graph, letting its NLU engine self-learn and answer scheduling, FAQ, and routing queries from day one across voice, chat, and messaging channels.
Inworld AI provides real-time voice AI infrastructure — text-to-speech, speech-to-text, LLM routing, and speech-to-speech Realtime API — for games, apps, and interactive experiences. Originally known for NPC character engines, Inworld pivoted in 2025-2026 to a developer-first voice AI platform with sub-200ms latency, 220+ LLM models via Router, and tiered API pricing scaling to enterprise.
Kaedim converts 2D images, sketches, reference packs, and product photos into production-ready 3D assets with retopology, UV mapping, and texturing. Built for game studios, e-commerce brands, and creative teams, it combines AI generation with a human-in-the-loop review loop where teams inspect, mark up, and approve assets before production use. Customer IP is never used for model training.
Komo (often listed as "Komos AI" in directories) is an AI-powered search and revenue engine. It evolved from a consumer AI search product with Chat and Explore modes into a B2B Signal Agent platform that monitors buyer intent, scores accounts, automates research, and runs outbound playbooks. Note: komos.ai is an unrelated background-screening automation product for CRAs.
Krisp is an AI-powered voice and meeting platform that removes background noise and echo from calls, provides unlimited AI note-taking and transcription, and offers accent conversion for clearer communication. It runs as a desktop app and browser extension across Zoom, Teams, Google Meet, and other platforms, with separate product lines for meeting AI and call center AI.
LOVO AI (Genny platform) is an AI voice generator with 500+ voices, 100+ languages, 30+ emotions, voice cloning, and an integrated video editor with auto-subtitles, AI writer, and sound effects. It targets content creators, marketers, and educators producing voiceovers and video content with commercial rights on paid plans.
Local, offline speech-to-text desktop app for macOS using whisper.cpp and llama.cpp. Provides sub-second voice dictation via global hotkey with zero cloud upload and complete privacy.
AI voiceover and text-to-speech platform with 200+ voices across 20+ languages. Studio for content creation plus separate Falcon API for developers needing low-latency TTS.
Noiz AI is an AI audio studio for emotional text-to-speech, rapid voice cloning, voice design from text or images, and multilingual video dubbing with lip sync. Its V2 Emotion Pro model supports emoji-based emotion control, SSML, and a 200+ voice library for creators producing podcasts, audiobooks, and localized video content.
Nurix AI is an enterprise conversational AI platform that deploys human-like voice and chat agents to automate sales, customer support, and back-office workflows for large organizations. Its NuPlay platform powers low-latency, interruption-tolerant voice and chat agents for customer-facing work, while its NuStack platform orchestrates back-office and workflow automation; the company expanded its chat capabilities in 2026 by acquiring Verloop.io.
OpenAI Codex is the company's agentic coding product — not the deprecated 2021 code-completion API, but a modern cloud and local coding agent included with ChatGPT paid plans. It ships as the Codex app (macOS/Windows), CLI, IDE extensions, and cloud sandbox tasks on connected GitHub repos. Users queue multi-step engineering work and review results asynchronously.
Free, open-source autonomous AI agent that executes tasks via LLMs through messaging platforms (WhatsApp, Telegram, Discord, Slack, iMessage) with persistent memory, cron jobs, and system-level computer access.
Otter.ai is an AI meeting assistant that joins Zoom, Google Meet, and Microsoft Teams to transcribe conversations in real time, identify speakers, and generate summaries with action items. It also imports recorded audio and video, supports live captioning, and offers AI chat across meetings. The product targets individuals and teams who need searchable, shareable meeting notes.
Play.ht is an AI voice generation platform that converts text to natural-sounding speech across hundreds of voices and languages. It supports voice cloning, commercial licensing, API access, and podcast-style audio production. The product serves creators, marketers, and developers who need scalable TTS without recording talent.
PolyAI builds customer-led conversational voice assistants for enterprise call centers. Its agents handle natural, interruptible phone conversations in multiple languages for banking, hospitality, insurance, retail, and telecom. Born from Cambridge speech recognition research, PolyAI targets large organizations replacing rigid IVR trees with AI that resolves calls autonomously.
Resemble AI is an enterprise generative AI security platform combining voice cloning, text-to-speech, and multimodal deepfake detection for audio, image, and video. Pivoted from consumer voice tools toward security infrastructure with Detect, Intelligence, Identity, and Watermarker products.
Retell AI is a developer-focused platform for building, deploying, and scaling real-time AI voice and chat agents for customer service, sales, and operations. It bundles speech-to-text, LLM orchestration, text-to-speech, telephony, and analytics into one API-first stack with no mandatory platform subscription.
Rime is a developer-focused text-to-speech platform purpose-built for real-time voice products like conversational agents, IVR systems, and telephony. Its flagship Coda model delivers sub-100ms model latency, and its voices are trained on real conversational speech rather than audiobook narration, aiming for a more natural, phone-call-like sound. The API runs in Rime's cloud, a customer VPC, or fully on-premises.
Sern.ai is an AI platform for designing, building, and deploying data-driven, agentic AI chatbots for small and medium-sized businesses (SMEs). Developed by the AI consultancy Siris, it enables organisations to create custom AI agents that connect to business data and automate customer service, HR, finance, contracts, and other operational workflows. The platform is currently offered through managed engagements, with a self-service version in beta.
Smith.ai provides AI-first and human-first virtual receptionist services—answering calls 24/7, screening leads, booking appointments, and integrating with CRMs. The AI Receptionist handles calls with optional escalation to live North America-based agents; human plans cover businesses wanting fully staffed answering.
Speechify reads text aloud with natural AI voices across web, PDFs, docs, and mobile—plus voice typing, AI summaries, and a Voice AI Assistant. Celebrity voice options and 60+ languages target accessibility, productivity, and consumer listening use cases.
Superwhisper is an AI dictation app for macOS, Windows, and iOS that converts speech to polished text in any application. It supports offline transcription, custom vocabulary, predefined modes (message, email, voice), multi-language input, and AI-enhanced formatting via cloud and local models.
Synthflow AI is an enterprise voice AI platform for deploying AI phone agents that handle inbound and outbound calls. It provides no-code agent building, CRM and calendar integrations, custom telephony setup, and enterprise-grade security for automating customer service, appointment booking, and lead qualification calls.
Telnyx is a cloud communications platform (CPaaS) that provides APIs and infrastructure for voice, messaging, phone numbers, video, wireless, networking, AI inference, and IoT services. Unlike many communications providers, Telnyx operates its own private global IP network, enabling businesses to build scalable communication applications with lower latency, direct carrier connectivity, and enterprise-grade reliability. It is widely used by developers and AI companies building voice agents, contact call centers and omni channel communication platforms
Vapi is a developer-first voice AI platform for building and deploying conversational voice agents at scale. It provides orchestration, real-time monitoring, and configuration tools that let engineering teams assemble custom voice stacks using their own LLM, TTS, STT, and telephony providers. It targets enterprise use, supports millions of calls with sub-500ms latency, and offers SOC 2, HIPAA, and PCI compliance.
Vizcom is an AI-powered design platform specifically built for industrial designers that transforms hand-drawn sketches into photorealistic renders in seconds. Founded by Jordan Taylor (former industrial designer at Honda and NVIDIA), the platform has gained traction with 700,000+ designers and 150+ companies, including Fortune 500 brands like Ford, New Balance, and Dell. Unlike generic text-to-image models, Vizcom preserves original proportions and geometry while generating production-ready visuals.
Voicebox is a free, open-source, local-first AI voice studio that lets users clone voices, generate speech, and dictate system-wide entirely on their own machine. It runs seven TTS engines (including Qwen3-TTS and Kokoro) plus Whisper-based transcription, and ships a REST/WebSocket API and MCP server so AI agents like Claude Code or Cursor can speak and listen. It is unrelated to Meta's unreleased research model of the same name, and serves developers, content creators, and accessibility users.
Voiceflow is an enterprise-grade AI agent platform designed for building, managing, and scaling AI agents across chat and voice channels. Positioned as "the operating system for AI customer experience," it offers first-class voice and phone channel support, multi-LLM routing, and bi-directional Model Context Protocol (MCP) support. With 4,000+ customers and 200,000+ users, Voiceflow targets enterprise CX teams requiring sophisticated automation without extensive engineering resources.
Voicemod is a real-time voice changer and soundboard application for PC and Mac that uses AI to alter voices and play sounds during online chats. The platform offers 200+ preset voices, a VoiceLab for custom voice creation, and an integrated soundboard with hundreds of thousands of clips. Popular among gamers, streamers, and VTubers, Voicemod integrates with Discord, Zoom, OBS, popular games, and consoles via the Voicemod Key hardware.
Waymark is an AI-powered video ad creation platform that generates broadcast-ready video ads in minutes. The company unveiled Waymark 2 in 2025, a significant upgrade that cuts production time by 50% compared to the previous version. By ingesting a brand's website URL, Waymark instantly produces fully on-brand, TV-quality video ads with AI-generated scripts, voiceovers, and visuals. The platform is used by major media companies including Sinclair, Inc. and Cox Media.
WellSaid Labs is a synthetic speech platform described as the "Most Realistic AI Voice Generator." It delivers human-quality text-to-speech voiceovers using voices modelled on licensed recordings by real actors. The platform offers 120+ natural-sounding AI voices and is used by over half the Fortune 500, including Microsoft and Amazon. WellSaid emphasises content moderation, compliance standards, and privacy with closed-model AI that keeps user content private.
Wispr Flow is an AI-powered voice dictation tool designed to replace traditional typing across all applications. Founded in 2021 and headquartered in San Francisco, the company raised $12M in September 2024 (total funding: $26M) to launch this productivity tool. It claims to be up to 3x faster than typing with 90% zero-edit accuracy, supporting 100+ languages with automatic detection and context-aware transcription that adapts to different apps (formal for emails, casual for Slack).
WowTo is an AI-powered platform for creating support and training videos with AI voiceovers, avatars, and multilingual capabilities. It converts screen recordings, slides, and PDFs into multilingual instructional content, helping organisations reduce support volume and improve customer satisfaction.
Ylopo is an AI-driven digital marketing platform for real estate lead generation. It deploys a team of AI agents working the pipeline to find, engage, and qualify buyers and sellers around the clock. With 75,000+ real estate professionals nationwide, Ylopo combines IDX-powered branded websites, automated Facebook/Google advertising, and their proprietary RAIYA AI assistant for automated follow-up.
ZeroTwo is a unified AI workspace that brings together 60+ leading AI models—including GPT, Claude, Gemini, Grok, DeepSeek, and others—into a single platform. Rather than focusing on a single LLM, ZeroTwo combines multiple models with AI agents, deep research, code execution, image and video generation, integrations, and workflow automation, positioning itself as an all-in-one alternative to maintaining multiple AI subscriptions.
| Tool | Best for | Pricing | Billing note |
|---|---|---|---|
| Adobe Firefly | Audio Editing | Freemium | Free Trial |
| Acclaim | Voice AI Platform for Regulated Industries (Banking, Insurance, Healthcare) | Freemium | Free Trial |
| Algolia | Sales | Freemium | Free Trial |
| Article.Audio | Text To Speech | Freemium | Free Trial |
| Assembly AI | Text To Speech | Freemium | Free Trial |
| AssemblyAI | Voice To Text | Freemium | Free Trial |
| Bland AI | Enterprise voice AI / phone agents | Freemium | Free Trial |
| Browse AI | Low-code / No-code | Freemium | Free Trial |
| Doubao AI | AI chatbot / general-purpose assistant (ByteDance) | Freemium | Free Trial |
| echowin | AI phone and chat agent automation | Freemium | Free Trial |
| Eleven Labs | Text To Video | Freemium | Free Trial |
| Fireflies.ai | Text To Speech | Freemium | Free Trial |
| Fish.audio | Text To Speech | Freemium | Free Trial |
| Gojiberry AI | AI Agent | Freemium | Free Trial |
| Grok | Social Media Assistant | Freemium | Free Trial |
| HeyGen | Video Generator | Freemium | Free Trial |
| Hume AI | Text To Speech | Freemium | Free Trial |
| Hyro | Adaptive Conversational AI for Healthcare & Enterprise Contact Centers | Freemium | Free Trial |
| Inworld AI | AI voice / speech API platform (TTS, STT, Realtime) | Freemium | Free Trial |
| Kaedim | AI 2D-to-3D asset generation | Freemium | Free Trial |
| Komos AI | AI search / revenue intelligence (disambiguation: not komos.ai) | Freemium | Free Trial |
| Krisp | AI meeting productivity / voice clarity | Freemium | Free Trial |
| Lovo Ai | AI voice generation / text-to-speech | Freemium | Free Trial |
| MumbleFlow | AI Speech-to-Text / Voice Dictation | Freemium | Free Trial |
| Murf AI | Voice To Text | Freemium | Free Trial |
| Noiz.ai | Text To Speech | Freemium | Free Trial |
| Nurix AI | Enterprise Conversational Voice & Chat AI Agents | Freemium | Free Trial |
| OpenAI Codex | Code | Freemium | Free Trial |
| OpenClaw | AI Agent | Freemium | Free Trial |
| Otter AI | Text To Speech | Freemium | Free Trial |
| Play.ht | Voice To Text | Freemium | Free Trial |
| Poly AI | Enterprise Conversational Voice AI | Freemium | Free Trial |
| Resemble | Voice AI / Deepfake Detection | Freemium | Free Trial |
| Retell AI | Voice AI / AI Phone & Chat Agents | Freemium | Free Trial |
| Rime AI | Text-to-Speech / Voice AI API | Freemium | Free Trial |
| Serno AI | AI Agent | Freemium | Free Trial |
| Smith AI | AI & Human Virtual Receptionist | Freemium | Free Trial |
| Speechify | Text To Speech | Freemium | Free Trial |
| Superwhisper | AI Voice-to-Text and Dictation | Freemium | Free Trial |
| Synthflow AI | AI Voice Agents and Call Automation | Freemium | Free Trial |
| Telnyx | AI Agent | Freemium | Free Trial |
| Vapi AI | 3D | Freemium | Free Trial |
| Vizcom | 3D | Freemium | Free Trial |
| Voicebox | Text To Speech | Freemium | Free Trial |
| Voiceflow | 3D | Freemium | Free Trial |
| Voicemod | Voice To Text | Freemium | Free Trial |
| Waymark | Voice To Text | Freemium | Free Trial |
| Wellsaidlabs | Voice To Text | Freemium | Free Trial |
| Wispr Flow | Voice To Text | Freemium | Free Trial |
| WowTo | Text To Video | Freemium | Free Trial |
| Ylopo | Real Estate | Freemium | Free Trial |
| ZeroTwo | AI Agent | Freemium | Free Trial |
What are the best AI tools for voice agents?
It depends on your workflow, but start with tools that match the job clearly, show pricing, and have enough editorial detail to compare. On this page we list options tagged for voice agents.
How do I choose an AI tool for voice agents?
Decide what "done" looks like (latency and accents), then compare pricing, output quality, integrations, and whether you need a free tier before paying.
Are free AI tools for voice agents good enough?
Free tiers are useful for testing. For production volume, brand controls, or team seats, paid plans usually matter more than the free trial alone.