⚡ 簡単な評価:
- 価格: ElevenLabs starts at $5/month. Altered starts at $30/month.
- 最適な用途: ElevenLabs for テキスト読み上げ, dubbing and voice agents. Altered for voice morphing and voice editing.
- 主な違い： ElevenLabs generates new speech from written text. Altered rebuilds recordings you already have.
- 私たちのおすすめ： ElevenLabs for most users, based on its wider language coverage and much lower entry price.
The cheaper tool here is not the weaker one.
ElevenLabs costs $5 a month. Altered starts at $30.
But price is the least interesting difference between them.
One is an ai voice generator built around written text.
The other is an online audio editor built around voice recordings.
That single split decides which one belongs in your workflow.
概要
This ElevenLabs vs Altered comparison covers pricing, voice quality, cloning and ease of use.
また、これらのそれぞれが誰なのかも詳しく解説します。 AIツール 最適な効果を発揮します。
弊社のライター陣は、両方のプラットフォームを実際に操作して検証しました。
それらのメモは、以下の「チームが気づいたこと」のセクションに記載されています。
The rest comes from published specs, documentation and G2 reviews.
ElevenLabsとは何ですか？
ElevenLabs is an ai voice generator that turns written text into spoken audio.
You will also see it written as Eleven Labs AI across the web.
The company launched in 2022 and reached a $3.3 billion valuation by 早い 2025.
Its ai text to speech engine is the piece most people arrive for.
It handles speech synthesis in 29 languages for a global audience.
The platform bundles text to speech, voice cloning, AI dubbing and AI music.
Audio enhancement tools and conversational AI agents sit in the same dashboard.
The video below walks through the interface if you prefer watching.
🏆 Winner: ElevenLabs
Generate ai voices in 29 languages from plain text. The free tier gives you 10,000 credits every month to test it.
ElevenLabsの価格設定
ElevenLabs uses a hybrid model. You pay a monthly fee and spend credits on characters.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | $0 | 10,000 credits monthly and up to 3 custom voices |
| スターター | 月額5ドル | 30,000 credits and rapid voice clone access |
| クリエイター | 月額11ドル | YouTube videos, podcasts and regular voice overs |
| プロ | 月額99ドル | Studios producing audio content at volume |
Pricing verified September 2026.
無料トライアル: No card needed. The Free tier stays free and renews credits monthly.
返金保証: No published refund window. Cancel before renewal to stop billing.
📌 注記： Enterprise sits above Pro with custom pricing. That tier adds dedicated infrastructure and stricter security standards.
⚠️ 警告： Credits reset monthly and do not roll over. Heavy dubbing work burns through a Creator plan fast.
ElevenLabsの主なメリット
Here is what makes ElevenLabs worth a look:
- Natural sounding speech: The Eleven v3 model handles complex dialogue, accents and emotional tags. Output holds up against a natural human voice in short clips.
- AI音声クローン： Upload samples and build a digital copy of your own voice. Generative models and neural networks do the rest.
- AI dubbing and translation: Re-voice video into more than 30 languages. Tone, emotion and timing carry across.
- Conversational AI agents: Build real-time voice and chat agents for support, sales and education. Latency stays low and Slack or Google Calendar hook in.
- AI music and sound effects: Generate studio-grade music and custom effects from plain prompts.
- Accessibility support: The ElevenReader app converts articles, PDFs and e-books into audio. It reads text aloud for on-the-go listening.
- Media and enterprise use: Studios voice audiobooks and dub films with it. Support teams automate calls with natural sounding voice agents.
The free tier is enough to test all of this on a real script.
私たちのチームが気づいたこと
私たちの 作家 signed up for ElevenLabs and spent several days generating voice overs for short videos. Here is what stood out:
The clip below shows that same session in the editor.
ElevenLabsの長所と短所
✅ メリット
- Free plan includes 10,000 characters monthly and up to 3 custom voices
- Speech synthesis in 29 languages reaches a global audience
- Eleven v3 supports complex dialogue, accents and emotional tags
- AI dubbing translates video into more than 30 languages
- Paid plans start at $5 per month
❌ デメリット
- Credits do not roll over from month to month
- No real-time voice changer for live voice chats
- Cleanup tools are thinner than a dedicated audio editor
- Long-form dubbing costs climb quickly on lower tiers
Altered とは何ですか?
Altered AIは、メディア制作向けに構築された音声コンテンツ作成プラットフォームです。
Altered Studio packs multiple voice AI technologies into one desktop app.
You get a Voice Changer, a Real-Time Voice Changer and Premium Text-to-Speech.
Voice Cloning, an AI Voice Cleaner and a Voice Editor round out the set.
Podcasters, video game publishers and film companies are the target buyers.
Here is a walkthrough of how the studio handles a full project.
Runner Up: Altered
Reshape voice recordings you already have. Voice morphing, cleanup and editing sit in one online audio editor.
価格変更
Altered keeps its tiers simple. Three plans, no credit maths.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Testing voice morphing and the voice changer |
| クリエイター | 月額30ドル | Voice creators, podcasters and solo media production |
| プロ | 月額90ドル | Studios needing custom voice models and cleanup at scale |
Pricing verified September 2026.
無料トライアル: Yes. You can sign up for a free trial of the Creator plan on the Altered website.
返金保証: Not published. Use the free trial to check the fit before you pay.
📌 注記： Professional and Enterprise terms are handled on the pricing page. Larger studios negotiate directly.
⚠️ 警告： The entry paid plan costs six times the ElevenLabs Starter tier. Budget accordingly if you only need text to speech.
変更された主な利点
Here is where Altered earns its place:
- 音声モーフィング: Swap one speaker’s voice for another across characters, accents and styles. Useful for animation and voice puppeteering.
- Real-time voice changer: Ultra-low latency morphing for live calls and gaming. It works inside voice chats on most platforms.
- AI音声クリーナー： Strips background noise from raw voice recordings before you edit.
- 14種類の話し方： Emotive text to speech covers whispering, shouting and everything between. Dialogue stops sounding flat.
- Custom voice models: Train a vocal identity from your own samples. The platform also transcribes and translates into multiple languages.
- History editing: Track and revert to earlier versions of any audio project. Nothing is lost to a bad take.
- 1つのワークスペース： Multiple voice AI technologies live behind a single user friendly interface.
Start with the free trial if voice editing is your main reason for looking.
私たちのチームが気づいたこと
Our writer ran a batch of podcast takes through Altered Studio and tested the voice editor. Here is what came out of that session:
The recording below covers the same workflow end to end.
変更された長所と短所
✅ メリット
- Real-time voice changer with effective noise cancellation
- ささやき声や叫び声を含む14種類の話し方
- History editing lets you revert to earlier project versions
- ゲーム開発やポッドキャスト制作のプロフェッショナルから高く評価されている。
❌ デメリット
- Paid plans start at $30 per month
- Smaller voice library than dedicated text to speech tools
- No conversational agents or sound effect generation
- Works best when you already have voice recordings to feed it
機能比較
These two ai voice generators overlap less than the category suggests. Both use text to speech technology, but only one is built as text to speech software first. Below are ten areas where the gap actually shows.
| 特徴 | イレブンラボ | 改変 |
|---|---|---|
| 開始価格 | 月額5ドル | 月額30ドル |
| 無料プラン | ✅ | ✅ |
| テキスト読み上げ | ✅ 29言語 | ✅ 14 speaking styles |
| AI音声クローン | ✅ | ✅ |
| リアルタイムボイスチェンジャー | ❌ | ✅ |
| 音声モーフィング | ❌ | ✅ |
| 対話型AIエージェント | ✅ | ❌ |
| 効果音と音楽 | ✅ | ❌ |
| Noise Cleanup | 基本 | ✅ AI Voice Cleaner |
| 最適な用途 | Turning written text into audio | Reshaping voice recordings |
1. 音声品質とリアリティ
イレブンラボ: The Eleven v3 model produces realistic ai voices that hold intonation, rhythm and pacing. Deep learning techniques trained on large speech datasets drive the generative voice output. In short clips the ai generated voice sound is hard to separate from human speech.
変更: Premium Text-to-Speech gives you natural sounding ai voices with real emotional range. Its ai generated voices avoid the flatness older computer generated voices had, though the library of speech voices is narrower. Altered leans on advanced voice AI technology rather than raw catalogue size.
2. AI音声クローン
イレブンラボ: Voice cloning builds a digital copy of a speaker’s voice from uploaded audio files. The free tier allows up to 3 custom voices. Generative models and neural networks handle the reconstruction.
変更: Voice cloning technology here is aimed at production teams replacing human talent on retakes. You can build a custom voice model and reuse it across a project. The cloned vocal identity stays consistent between sessions.
⚠️ 警告： Both platforms expect consent from anyone whose voice you clone. Cloning a person without permission creates legal exposure, and the EU now fines high-risk AI misuse up to 7% of global turnover.
3. Expressive Control and Speaking Styles
イレブンラボ: Emotional tags let you fine tune delivery inside the text itself. You can push a line toward excitement, sarcasm or calm. That gives you close to complete control over how each sentence lands.
変更: The Speaking Style system offers 14 preset options, including whispering and shouting. Voice training then adapts a model to the delivery you want. It is a cleaner route to varied voice performances than tag editing.
4. Voice Morphing and Live Voice Changing
イレブンラボ: There is a speech to speech mode, but no live voice changer. You cannot morph your voice mid-call. This is the clearest capability gap in the ElevenLabs feature set.
変更: The real time voice changer runs at ultra-low latency for live calls and gaming. Voice morphing swaps characters, accents and styles on recorded takes too. Noise cancellation keeps the result usable in messy rooms.
5. Conversational AI and Voice Agents
イレブンラボ: Conversational AI agents handle real-time voice and chat for support, sales and education. They connect to Slack and Google Calendar. Teams also use them to power virtual assistants and IVR systems.
変更: No agent layer exists. Altered stops at producing audio content, not conversations. If you need an artificial intelligence agent answering calls, this is not the tool.
6. Sound Effects and AI Music
イレブンラボ: Text to sound effects turns a written prompt into a usable audio file. AI Music generates studio-grade tracks the same way. That covers a full soundbed without leaving the platform.
変更: Nothing here generates music or effects. The focus stays on the voice track alone. You will need a separate tool for score and ambience.
7. Audio Cleanup and Voice Editing
イレブンラボ: Audio enhancement tools clean up generated speech reasonably well. But they assume the audio came from the platform. Rescuing a badly recorded interview is not the design goal.
変更: The Voice Editor works like a next generation audio editor for spoken tracks. History editing tracks every version, so voice editing stays reversible. The AI Voice Cleaner pulls background noise out before you start.
8. Languages, Dubbing and Translation
イレブンラボ: Speech synthesis covers 29 languages, and AI dubbing re-voices video into more than 30. Tone, emotion and timing survive the switch. For reaching a global audience, this is the stronger side.
変更: Transcription and translation move content into multiple languages too. The coverage is narrower and built around existing recordings. It suits localising a finished podcast more than producing multilingual content from scratch.
9．使いやすさと習得の容易さ
イレブンラボ: Paste written text, pick a voice, press generate. Voice generation time on short scripts runs to seconds. As speech software goes, this is the shortest path to high quality voice overs for a YouTube video.
変更: Altered Studio bundles more tools, so the first hour takes longer. The payoff is one workspace instead of four. Experts credit it with making audio production simpler once you know the layout.
10. 価格設定とコスト
Here are both plan structures side by side.
| ティア | イレブンラボ | 改変 |
|---|---|---|
| 無料 | $0 | 月額0ドル |
| 入場料支払い済み | Starter: $5/month | クリエイター：月額30ドル |
| 中 | Creator: $11/month | プロフェッショナルプラン：月額90ドル |
| トップ | Pro: $99/month | — |
イレブンラボ: Four tiers give you room to grow slowly. At $5 a month the Starter plan is the cheapest serious entry point in this category. Credits, not seats, decide what you actually spend.
変更: Three tiers, and the jump from free to $30 is steep. You are paying for the voice changer and editor, not just speech. For teams shipping high quality voice content every week, that maths works out.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 予算が限られている | イレブンラボ | $5 vs $30 entry price |
| Live voice chats | 改変 | Only one with a live changer |
| 多言語吹き替え | イレブンラボ | 29 languages, 30+ for dubbing |
| Cleaning raw recordings | 改変 | AI Voice Cleaner and editor |
| Voice agents or IVR | イレブンラボ | Built-in conversational agents |
| 初心者向けのスタート | イレブンラボ | Paste text, generate speech |
💰 あなたの予算
ElevenLabs asks $5 for its first paid tier. Altered asks $30, so the cheaper route matters if you only need ai voiceovers.
🔌 あなたの技術スタック
ElevenLabs plugs into Slack and Google Calendar through its agents. Altered sits closer to your recording chain as an online audio editor.
🎬 コンテンツの種類
Animated explainer videos, training videos and e learning modules start from a script, which favours ElevenLabs. Game dialogue and podcasts start from voice recordings, which favours Altered.
🎓 あなたの経験レベル
Beginners get a usable result from ElevenLabs in minutes. Altered rewards people who already understand audio editing.
🆓 無料トライアルとデモ
Both offer a free tier, so test with your real script. Altered also runs a free trial of the Creator plan.
🛟 Voice Library Depth
ElevenLabs gives you an extensive voice library across accents and ages. Altered offers fewer stock options but deeper control over each one.
切り替えガイド
Already paying for one? Here is what changes if you move.
🔄 ElevenLabsからAlteredに乗り換えますか？
✅ 得られるもの：
- A real time voice changer for live gaming and calls
- Voice morphing across characters, accents and styles
- History editing that reverts any audio project version
❌ 失うもの：
- Conversational agents and their Slack integration
- AI music and text to sound effects generation
- The $5 entry price and 29-language coverage
📋切り替え方法：
- Download your generated audio files from the ElevenLabs history panel
- Start the free trial of the Altered Creator plan
- Re-upload your voice samples and train a custom voice model
🔄 AlteredからElevenLabsに乗り換えますか？
✅ 得られるもの：
- Speech synthesis across 29 languages for a wider audience
- AI dubbing into more than 30 languages
- A $25 monthly saving at the entry tier
❌ 失うもの：
- Live voice changing during voice chats
- The AI Voice Cleaner for background noise
- The 14 speaking styles and version history
📋切り替え方法：
- Export finished tracks from the Altered voice editor
- Open a free ElevenLabs account and claim the monthly credits
- Upload clean samples to clone your own voice, then generate speech
私たちのレビューで取り上げられなかったこと
This comparison focused on solo creators and small production teams. We did not test enterprise contracts, dedicated infrastructure or API throughput at volume. Long-form audiobook runs and multi-hour dubbing jobs were outside our scope. Voice generation time was measured on short scripts only, so results on hour-long files may differ.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | イレブンラボ |
| 🗣️ 音声品質 | イレブンラボ |
| 🎭 音声モーフィング | 改変 |
| 🌍 言語と吹き替え | イレブンラボ |
| 🎚️ Audio Cleanup | 改変 |
| 🤖 音声エージェント | イレブンラボ |
| 👶 使いやすさ | イレブンラボ |
| 🏆総合優勝 | イレブンラボ |
🏆 受賞者：ELEVENLABS
ElevenLabs wins 5 of 7 categories.
最適な用途: professional voiceovers from a script, multilingual dubbing, audiobooks, and voice agents
ElevenLabs converts text into human like voices at consistent quality. Altered reshapes voice performances that already exist. Those are two different jobs.
Altered is the better pick for game studios, voice creators and anyone doing audio storytelling from raw takes. Its voice changer has no equivalent on the other side.
Asking which is the best ai voice generator misses the point. There is no perfect voice tool for every script, only the right one for your source material.
For most people that is ElevenLabs, on price, language coverage and speed.
ElevenLabsの比較をもっと見る
Here is how it holds up against other voice generators:
ElevenLabs vs マーフ 人工知能
ElevenLabsが勝利した点： emotional tags in Eleven v3, AI dubbing into 30+ languages, a $5 entry tier
Murf AIが勝利した点： 120+ text to speech voices across 20+ languages, a workflow tuned for corporate training, simpler timeline editing for audiobooks and podcasts
ElevenLabs 対 Play.ht
ElevenLabsが勝利した点： conversational agents, sound effect generation, cheaper first paid plan
Play.htが勝利した点： an 800+ library of natural ai voices, 142 languages and accents, output tuned for marketing and explainer clips
ElevenLabs vs LOVO AI
ElevenLabsが勝利した点： voice cloning depth, dubbing that preserves timing, the ElevenReader app for long documents
LOVO AIが勝利した項目： 500 voices across 100 languages, Genny’s automated video voiceovers, presets aimed at ソーシャルメディア コンテンツ
ElevenLabs vs Speechify
ElevenLabsが勝利した点： production-grade output, custom voice training, developer access for artificial intelligence software builds
Speechifyが勝利した点： its #1 App Store ranking for text to speech, cheaper consumer subscriptions, reading written text aloud from Google Docs and Google Play Books
変化したものを比較すると、
And how Altered Studio compares elsewhere:
改変 vs 説明
Alteredが勝利した試合： live voice morphing, 14 speaking styles, character work for game dialogue
説明文が勝つ点： text-based video editing, multitrack podcast sessions, a cheaper starting tier for solo 編集者
改変 vs ポッドキャスト
Alteredが勝利した試合： the AI Voice Cleaner, custom voice model training, real-time morphing during recording
Podcastleが勝利した点： remote guest recording, built-in hosting and distribution, a lower monthly cost for interview shows
改造 vs マーフAI
Alteredが勝利した試合： reshaping existing takes, noise removal on raw files, version history across a project
Murf AIが勝利した点： a larger stock catalogue of different voices, faster script-to-audio turnaround, cheaper plans for teams making training videos
よくある質問
ElevenLabs AIは無料ですか？
Yes. The Free tier gives 10,000 credits each month and up to 3 custom voices. Paid plans start at $5 monthly if you need more.
Altered AIは無料ですか？
There is a free plan at $0 monthly, plus a free trial of the Creator tier. Paid access starts at $30 per month.
AIによる音声クローンは違法ですか？
Not by itself. Cloning your own voice, or someone’s with written consent, is legal in most places. Impersonation and deepfake fraud are not.
最もリアルなAI音声とは？
Eleven v3 currently produces the most advanced ai voices we have 聞いた, handling accents and emotional tags. Play.ht and LOVO also deliver a convincing computer generated voice.
最もリアルなAI音声変換機能は何ですか？
Altered Studio leads here. Its real time changer morphs a speaker live with low latency, and the result keeps a natural sounding voice rather than a robotic filter.
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