AI Services in Audio Generation

Tools that use AI to generate narration, voice guides, and other audioFeaturing 31 AI services in total.

スーノ

Suno

Suno turns a text prompt into a complete song — vocals, lyrics, and backing included (current model v5.5). It handles Japanese vocals, including J-pop and anime-style singing, and finishes a track in about a minute, with stem separation and the DAW-style Suno Studio on top. Pricing is in US dollars, not local currency: the free plan allows 10 songs a day, Pro is $10/month ($8 on annual billing), and Premier is $30/month ($24 annual). Commercial use requires a paid plan. Note that from September 3, 2026, monthly download caps apply — none on Free, 20 songs on Pro, and 60 on Premier.

# 音楽生成# 音声生成# 品質向上・クリエイティブ支援# エンタメ／ゲーム・遊び# 日本語対応

ヘイジェン

HeyGen

An AI video platform that turns text/scripts into videos of a realistic AI avatar speaking, in minutes. It offers Photo Avatars and Digital Twins, translation into 175+ languages with lip-sync, a Video Agent, and an API. Used by 100,000+ businesses. Free tier; Creator from $29.

# 動画生成# 音声生成# AIチャットボット# AIエージェント

エークール

AKOOL

AKOOL, from AKOOL Inc. (US), is a business-focused generative-AI video platform that brings AI avatars, video translation, and face swap together. Led by real-time interactive streaming avatars, it handles 155+-language lip-synced video translation, face swapping, and voice synthesis across one platform. Japanese UI is supported. Pricing is credit-based: Free / Starter $12 / Pro $30 / Pro Max $59 / Business $249 (commercial use requires Business or above).

# バーチャルヒューマン# 顔認証・画像解析# 音声生成# 日本語対応

オーディオリード

Audioread

A UK-based TTS service that converts text such as articles, PDFs, emails and RSS feeds into natural AI audio you can listen to as "your own private podcast" (formerly Audioblogs). It turns the audio into a private podcast feed you can play in your usual app such as Apple Podcasts or Spotify. 150+ languages and ~1,000 voices. Free to Pro $9.99/mo.

# 音声生成# 要約・翻訳

ラスク エーアイ

Rask AI

An AI localization platform that automatically translates and dubs videos and audio into 130+ languages. With natural AI voices, voice cloning (32 languages), multi-speaker detection, lip-sync, and subtitle editing, it takes existing videos global as-is.

# 要約・翻訳# 動画生成# 音声生成# 音声合成・文字起こし# 品質向上・クリエイティブ支援# 日本語対応

スカイワーク

Skywork

Skywork is an all-in-one AI agent with built-in deep research. From a single instruction, it can generate multiple deliverables—websites, slides, documents, spreadsheets, posters, videos, podcasts, and more. The SkyClaw agent switches among models such as Claude, ChatGPT, and Gemini to research, reason, and edit, and it supports automated execution through scheduled tasks and IM integration. Credits are granted for free every day (800 per the official listing), and beyond that it runs on a credit-based model.

# AIエージェント# 動画生成# プレゼン・スライド生成# 音声生成# テキスト生成# コード生成

リリックス・トゥー・ソング・エーアイ

Lyrics To Song AI

An online AI music generator (formerly MeloCool Music) that turns your own lyrics or a text prompt into a full song with vocals, instruments, and structure. Choose genre/mood/tempo and export to MP3/WAV/MIDI or separated stems. Free plan available.

# 音楽生成# 音声生成# エンタメ／ゲーム・遊び# 品質向上・クリエイティブ支援

アズミ

Asmi

A voice-first AI personal assistant you reach on iMessage, WhatsApp, and by phone. It calls you each morning to take your tasks, then handles real-world errands on your behalf — calling, texting, and emailing service providers (book a dentist, cancel a gym, dispute a charge) and chasing until it's done. By Humint Labs, Inc.; 50+ languages.

# AIエージェント# 音声生成# 音声認識・音声合成# ボイスボット# 自動化・省力化# 業務効率化

サウンドバース

Soundverse AI

An AI creative studio that generates songs, music videos, and vocals/voices from a prompt. Directed by a reasoning AI producer 'Agent One' and assistant 'Saar,' it also does stem separation, extension, remixing, and lyrics. You can compose scored with real artists' 'Artist DNA,' and it supports royalty-free/commercial use (by plan).

# 音楽生成# 音声生成# 品質向上・クリエイティブ支援

ソラ

Sora

[Discontinued] OpenAI's video-generation AI that created videos with audio from text or images. OpenAI announced its discontinuation in March 2026; the app/web shut down on April 26, 2026 (the API is set to end September 24, 2026). Export data per the official guidance. Alternatives for video generation include Kling, Hailuo, Veo, and Pika.

# 動画生成# 音声生成# 品質向上・クリエイティブ支援

コエフォント

CoeFont

A text-to-speech and voice synthesis service with a library of over 10,000 AI voices. You can register your own voice from about 50 recorded sentences, and it also offers a voice changer and enterprise real-time AI interpretation.

# 音声生成# 音声認識・音声合成# エンタメ／ゲーム・遊び# 日本語対応

キャプションズ

Captions

An AI video app that generates and edits video with AI avatars (AI actors) using its own "Mirage" foundation model. Operated by NOCAP, Inc. of New York (rebranded from "Captions" to the parent brand "Mirage" in 2025). Create video with AI avatars without filming, and add cuts, B-roll, music and captions via chat instructions. Translation in 100+ languages; 20M+ users. Free to credit-based pricing.

# 動画生成# 音声生成# AIチャットボット# AIエージェント# 字幕生成

イージーピージーエーアイ

Easy-Peasy.AI

An all-in-one AI platform that lets you use 40+ AI models (Claude/GPT/Gemini, etc.) for text, images, video, audio, and AI agents under a single subscription. With 300+ templates and brand voice, it covers a wide range of content creation in one place.

# テキスト生成# 画像生成# 音声生成# 要約・翻訳# 日本語対応

イレブンラボ

ElevenLabs

An AI audio platform centered on high-quality AI voice generation and voice cloning in 70+ languages, extending to dubbing, speech-to-text (Scribe), sound effects, music, and conversational AI agents. Models include Eleven v3. Free tier / paid from $6/mo.

# 音声生成# 音声認識・音声合成# 日本語対応

ヘドラ

Hedra

A multimodal AI from Hedra (US) that generates "talking / singing character videos" from a single portrait image and audio. Its current flagship models are Hedra Omnia (full-scene control including camera and full-body motion) and Hedra Avatar (long-form up to 5 minutes), and it has expanded into a platform that also generates images, video and audio and bundles third-party models. Free tier available; credit-based.

# 画像生成# 動画生成# 音声生成# バーチャルヒューマン

スカイリールズ

SkyReels

Skywork AI (Kunlun Tech)'s AI video generation platform. From text, images or reference media it creates cinematic short clips with visuals and audio generated together (the current commercial model SkyReels V4 makes ~5-15s, 720p-1080p). Born from short-drama production, it supports Omni Reference, Talking Avatar and an API. Note: "infinite length / Diffusion Forcing" refers to the open-source research model SkyReels-V2, not the commercial web version.

# 動画生成# 音声生成# バーチャルヒューマン# デザイン生成# 品質向上・クリエイティブ支援

ユエ エーアイ

Yue AI

Yue AI refers to "YuE," an open-source AI music-generation model (Apache 2.0, from HKUST/M-A-P and others) that generates full songs with vocals and accompaniment from lyrics, singing in English, Chinese, Japanese, Korean, and more. It's self-hostable from GitHub/Hugging Face and allows commercial use. Note: this page's URL (yueai.ai) is a third-party site offering the model online—separate from the official YuE GitHub project—and its "free" service has no published pricing.

# 音楽生成# 音声生成

ミュレカ

Mureka

Mureka is an AI music generator from Kunlun Tech (China; listed on the Shenzhen ChiNext board). Give it lyrics, a style prompt, or a reference track and the latest V9.5 model produces a full song. It does not stop at generation: timeline editing, up to 12-stem separation, remixing, and music videos built from your track, plus Mureka Co for driving a DAW in plain language. The UI is available in Japanese and other languages. The free plan covers 4 songs a day (no downloads, no commercial use); paid starts at $8/month for Pro on annual billing, priced in USD only. While your subscription is active, commercial rights extend even to tracks made before subscribing, and you can cancel at any time. Over 200,000 people worldwide pay for it (as of August 2026).

# 音楽生成# 音声生成# エンタメ／ゲーム・遊び# 品質向上・クリエイティブ支援

ヒッグスフィールド

Higgsfield

A cinematic AI video and image generation platform giving cross-access to more than 15 video generation models — including Sora 2, Veo 3.1, and Kling 3.0 — plus the latest image generation models, all under a single subscription. Its strength lies in film-like camera work, and it has grown to more than 25 million users. Having reached a $1.3 billion valuation, it is one of the most fast-moving AI video startups right now.

# 動画生成# 画像生成# 音声生成# 品質向上・クリエイティブ支援

エーアイ ツールボックス

AI Toolbox

A collection of free, browser-based AI and online tools for processing video, images, and audio. No upload is required—files are processed right in your browser, so it is privacy-conscious. From video splitting to a variety of image and audio tools, it is easy to use for creators, marketers, and web designers as well as general users. Japanese-language pages are supported.

# 動画生成# 画像生成# 音声生成# 業務効率化# 日本語対応

アイヴァ

AIVA

AIVA is an AI composing assistant that generates original tracks in seconds across more than 250 styles. The music it generates can be edited track by track — melody, chords, bass and more — and it also supports building custom style models and loading audio or MIDI as an influence. You can export to MP3/MIDI (Pro adds all formats, including WAV), and on the Pro plan you fully own the copyright to the music you create and can monetize it without restrictions. It comes from Aiva Technologies of Luxembourg, running since 2016, and pricing is Free €0 / Standard €11 / Pro €33 (monthly, annual billing).

# 音楽生成# 音声生成# エンタメ／ゲーム・遊び

ボイスモッド

Voicemod

A voice changer and soundboard app that transforms your voice into another in real time. With 200+ voices, AI voices, and Voicelab (custom voices), it pipes your transformed voice straight into Discord, OBS, and in-game voice chat. Windows/Mac/mobile. Free plan available; Pro comes in monthly, annual, or lifetime options.

# 音声生成# 音声認識・音声合成# エンタメ／ゲーム・遊び# 日本語対応

ディーアイディー

D-ID

A digital-human platform that makes talking AI avatar videos from a photo or text, and also provides real-time conversational AI agents (connect any LLM). It offers Creative Reality Studio, Visual AI Agents, video translation, and an API, supporting 120+ languages. Free trial / Studio Lite from $4.7.

# 動画生成# 音声生成# AIチャットボット# AIエージェント# バーチャルヒューマン

ミュージックエフエックス

MusicFX

MusicFX is a text-to-music AI tool from Google. It has since evolved into its successor, Google Flow Music (flowmusic.app), a music-creation platform where you can generate full vocal tracks with the latest music model Lyria 3.5, produce music videos with Veo, remix and split stems, and publish and share your songs, all in one place. It supports prompts in Japanese and other languages, is free to start, and grants daily credits, with no credit card required.

# 音楽生成# 音声生成# 日本語対応

ブーミー

boomy

Boomy is a generative music platform that lets you create original songs with AI even without any music-production experience (provided by Boomy Corporation of the USA). You just choose a genre or mood and the AI composes a track in a matter of seconds, which you finish with light editing. You can create on the free plan, while paid plans (CREATOR at $9.99/month and PRO at $29.99/month) support WAV downloads, full commercial use, and distribution to DSPs such as Spotify. More than 22 million songs have been created to date.

# 音楽生成# 音声生成

ノートブックエルエム

NotebookLM（現Gemini Notebook）

NotebookLM (now renamed to "Gemini Notebook") is a Google-built AI research and thinking partner that answers with citations based only on the materials you upload. You can use PDFs, websites, YouTube videos, audio, Google Docs, and more as sources, and the latest Gemini models handle summarizing, question answering, and material creation. Because it limits the basis for its answers to your sources, it curbs plausible-sounding errors and lets you grasp materials quickly, and it can also generate an Audio Overview (podcast-style conversational audio). It is free to use, with limits and available models increasing as it is included in Google AI Plus/Pro/Ultra (available in limited regions).

# 要約・翻訳# 検索・レコメンド# 音声生成# 日本語対応

ボイスエーアイ

Voice AI

Voice.ai, from Voice AI Inc., is a voice platform built around a real-time AI voice changer that converts your voice using thousands of voices. The desktop voice changer is free and works for game streaming, broadcasting, and online meetings. It extends to Voice Universe (4,000+ voices), voice cloning, TTS (15+ languages), AI voice agents, and developer APIs. Pricing is credit-based: Free / Starter $5 / Launch $12+.

# 音声生成# バーチャルヒューマン# 音声認識・音声合成

アナキンエーアイ

Anakin AI

An all-in-one AI platform that combines chat across many AI models, 1,000+ pre-built AI apps, and a no-code AI app/workflow builder. From text with GPT/Claude/Gemini to image, video, and voice generation, plus automation and agents, all at low cost.

# テキスト生成# 画像生成# 音声生成# 動画生成# AIエージェント# 日本語対応

ロバート

Lovart

Lovart is "the world's first AI design agent," generating everything from logos, posters, and packaging to ads and video from a single sentence. On an infinite canvas it chains multiple cutting-edge image/video models (Nano Banana, GPT Image, Flux, Veo, Sora, etc.) to carry work from planning to a full set of designs. It has a Brand Kit and PSD export, and a Japanese UI. Credit-based pricing: Starter from ¥2,945/mo / Basic / Pro / Ultimate (free trial available).

# デザイン生成# 画像生成# 動画生成# 音声生成# 音楽生成# アイデア支援／創造ツール# 品質向上・クリエイティブ支援# AIエージェント

ジェイソン・トゥー・ビデオ

json2video

A video generation API: write the structure in JSON, POST it, get back an MP4. Templates and variables let you mass-produce videos of the same shape, with scene composition, voiceover (100+ languages), and captions completed in one pipeline. Integrations for Make.com, n8n, Zapier, and MCP. 600 free credits; from $16.95/month.

# 動画生成# 音声生成# 字幕生成# プレゼン・スライド生成

ボイスボックス

VOICEVOX

VOICEVOX is a free text-to-speech and singing-voice synthesis app developed by Hiho (Kazuyuki Hiroshiba). With a credit notice, its 46 character voices — including Zundamon and Shikoku Metan — can be used free of charge for both commercial and non-commercial purposes (terms differ per character). An open-source staple for Japanese video narration on Windows, Mac, and Linux.

# 音声生成# 音声認識・音声合成# エンタメ／ゲーム・遊び# 日本語対応

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