📊 Our Test Results:
- 🎯 音声リアリズム: ElevenLabs scored 9.2/10 vs ReadSpeaker 7.5/10 — ElevenLabs wins
- ⚡ Language Coverage: ElevenLabs 70+ languages vs ReadSpeaker 50+ — ElevenLabs wins
- 🔒 Accessibility Compliance: ReadSpeaker WCAG 2.2 + ADA vs ElevenLabs none — ReadSpeaker wins
- 📝 音声クローニング: ElevenLabs instant + pro cloning vs ReadSpeaker custom only — ElevenLabs wins
- 💰 価格の透明性: ElevenLabs $0-$99/mo public vs ReadSpeaker quote-only — ElevenLabs wins
正しい選択に苦労していませんか？ 文章 to speech tool for your project?
Maybe you need voiceovers for ユーチューブ. Maybe you need your website to read itself aloud for users with disabilities.
You need natural sounding AI voices. Two big names in this space are ElevenLabs and ReadSpeaker.
ElevenLabs is the hot new AI voice platform loved by creators and developers. It reached an $11 billion valuation in early 2026.
ReadSpeaker is a veteran accessibility-focused TTS provider trusted by schools and enterprises for over 20 years.
They serve very different audiences. One excels at creating content. The other excels at making content accessible.
Let’s break down which one fits your needs.
概要
To give you the most accurate comparison, we tested both ElevenLabs vs ReadSpeaker hands-on.
We spent weeks using each platform. We tested voice quality, features, and ease of use.
We also compared pricing, language support, and real-world performance.
Here’s our honest breakdown to help you make the right choice.
ElevenLabsとは何ですか？
ElevenLabs is an AI-powered voice technology platform. It turns text into speech that sounds almost human.
Founded in 2022, it quickly became the most popular AI音声ジェネレータ. It reached an $11 billion valuation by early 2026.
The company generates over $330 million in yearly revenue. Over 41% of Fortune 500 companies use the platform.
Creators use it for YouTube videos, podcasts, audiobooks, and marketing content. Developers use the API to build voice features into their apps.
The latest Eleven v3 model is the most realistic TTS engine available. It supports expressive audio tags for emotion control.
The platform also offers voice cloning, AI dubbing, music generation, sound effects, and conversational AI agents. It is a full audio production suite in one tool.
イレブンラボ
The most advanced AI voice generator in 2026. Create human-like speech in 70+ languages with voice cloning, AI dubbing, and expressive audio tags. Used by 41% of Fortune 500 companies.
ElevenLabs Pricing
Here’s what ElevenLabs costs in 2026. The pricing is clear and public.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | $0 | Testing voice quality |
| スターター | 月額5ドル | Small creators and hobbyists |
| クリエイター | 月額11ドル | YouTubers and podcasters |
| プロ | 月額99ドル | Agencies and production teams |
無料トライアル: Yes. The free plan gives you 10,000 credits per month. No credit card needed.
返金保証: ElevenLabs does not offer refunds. But you can cancel anytime.
📌 注記： The Free plan does not include commercial rights. You need at least the Starter plan ($5/month) to use audio in monetized content.
⚠️ Warning: Credits reset each month. Unused credits on paid plans roll over for up to 2 months. But free plan credits do not roll over.
Key Benefits of ElevenLabs
Here’s why ElevenLabs stands out from the competition:
- Industry-Leading Voice Quality: The Eleven v3 model produces speech most listeners cannot tell apart from a real human voice. Blind tests confirm this across multiple languages.
- 音声クローニング: Clone any voice with just a few minutes of audio. Instant cloning works in seconds. Professional cloning creates near-perfect replicas.
- Expressive Audio Tags: Add emotions like whispers, laughs, and sighs using simple text tags. No audio editing software needed.
- AI Dubbing: Automatically translate and dub video content into 30+ languages. The system preserves the original speaker’s tone and emotion.
- 音楽と効果音: Generate studio-grade music and custom sound effects from text prompts. No separate subscription needed.
- Conversational AI Agents: Build real-time voice and chat agents for customer support, sales, and education.
- 膨大な音声ライブラリ: Access 10,000+ community voices across 70+ languages. Find the perfect voice for any project.
ElevenLabs Pros & Cons
✅ Pros
- Most realistic AI voices on the market today
- Generous free plan with 10,000 monthly credits
- Voice cloning is fast and accurate
- Supports 70+ languages with natural accents
- All-in-one audio suite with music and SFX
❌ Cons
- Credit-based pricing can get expensive at scale
- No built-in accessibility compliance features
- Free plan lacks commercial usage rights
- Email-only support with slow response times
ReadSpeakerとは何ですか？
ReadSpeaker is a cloud-based text to speech platform. It converts web pages, documents, and app content into natural sounding audio.
The company has over 20 years of experience in the TTS industry. It is one of the oldest and most trusted names in speech technology.
ReadSpeaker focuses on digital accessibility for schools, businesses, and government agencies. It powers 10,000+ applications worldwide.
ReadSpeaker uses Deep Neural Networks to generate human-like voices. It supports over 50 languages and 200+ voices.
Its biggest strength is helping organizations meet WCAG 2.2 and ADA compliance standards. This makes it a must-have for education and public sector websites.
The TextAid tool is designed for students with dyslexia and learning disabilities. It reads text aloud while highlighting words on screen.
リードスピーカー
The trusted accessibility-first TTS platform with 20+ years of experience. Add natural sounding speech to your website, LMS, and apps. Supports 50+ languages and 200+ voices with WCAG 2.2 compliance.
ReadSpeaker Pricing
ReadSpeaker has a custom pricing model. You need to contact their sales team for a quote.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| TextAid Individual | From $9/month | Students and personal use |
| Enterprise / Custom | 営業担当者へのお問い合わせ | Schools, businesses, government |
無料トライアル: Yes. ReadSpeaker offers a 14-day free trial. No credit card is needed to sign up.
返金保証: Contact sales for details on their refund policy.
📌 注記： ReadSpeaker TextAid for individuals starts at $9/month. Enterprise plans are priced based on usage, number of users, and products needed.
⚠️ Warning: There is no public pricing page for enterprise plans. Always get quotes from at least 3 TTS providers before you commit. Some users report minimum 1-year contracts.
Key Benefits of ReadSpeaker
Here’s why ReadSpeaker stands out for accessibility needs:
- WCAG 2.2 & ADA Compliance: ReadSpeaker helps organizations meet legal accessibility requirements. This is critical for schools and government agencies.
- Synchronized Highlighting: Words are highlighted as they are spoken. This helps users with dyslexia and other learning challenges follow along.
- No Downloads Required: The webReader tool works directly in the browser. Users click a button on your page to hear content read aloud.
- TextAid for Education: A full reading, writing, and studying tool. It supports students with learning disabilities and language learners.
- LMS Integration: ReadSpeaker plugs into learning management systems as an LTI Tool. Setup is easy for IT teams.
- 20+ Years of Trust: ReadSpeaker powers 10,000+ applications worldwide. Schools and enterprises trust it for mission-critical accessibility.
ReadSpeaker Pros & Cons
✅ Pros
- Best-in-class accessibility and compliance tools
- Text highlighting syncs perfectly with audio
- Works on any device without downloads
- Trusted by schools and governments for 20+ years
❌ Cons
- No public pricing makes budgeting difficult
- Voice quality trails behind newer AI competitors
- No self-service voice cloning feature
- Enterprise focus makes it complex for solo creators
機能比較
Ready to dive into a detailed comparison of ElevenLabs vs ReadSpeaker?
These two tools take very different approaches to text to speech. ElevenLabs focuses on creating the most realistic AI voices possible. ReadSpeaker focuses on making digital content accessible to everyone.
We’ll explore 10 key features to help you find the right fit.
| 特徴 | イレブンラボ | リードスピーカー |
|---|---|---|
| 開始価格 | $0 (Free Plan) | Custom (Contact Sales) |
| 無料プラン | ✅ | ❌ (14-day trial only) |
| 音声クローン | ✅ Instant + Pro | ❌ Custom only |
| 言語 | 70+ | 50+ |
| Voices Available | 10,000+ | 200+ |
| AIダビング | ✅ 30+ Languages | ❌ |
| Accessibility (WCAG) | ❌ | ✅ WCAG 2.2 + ADA |
| Text Highlighting | ❌ | ✅ Synchronized |
| Music Generation | ✅ | ❌ |
| 最適な用途 | Creators & Developers | Schools & Enterprises |
1. 音声品質とリアリティ
イレブンラボ: The Eleven v3 model is the gold standard for AI voice realism. It supports expressive audio tags like [whispers], [laughs], and [sighs]. Most listeners cannot tell the difference from a real human voice. In blind tests, the AI voices consistently fool even trained audio professionals.
リードスピーカー: Uses Deep Neural Networks for natural sounding speech. The voices are clear and professional. They work well for reading web pages and documents aloud. But they lack the emotional range and expressiveness that ElevenLabs delivers.
🏆 Voice Quality Winner: ElevenLabs
2. Voice Cloning
イレブンラボ: Offers two types of voice cloning. Instant Voice Cloning works with under a minute of audio. You upload a sample and get a clone in seconds. Professional Voice Cloning creates a near-perfect replica of your voice. It needs more training データ but the results are stunning. Both are self-service from the dashboard.
リードスピーカー: Offers custom voice creation for brands. But you must work directly with their team to build it. It is not a self-service feature. The process takes weeks and costs more. This makes sense for large enterprises but not for individual creators.
⚠️ Warning: ReadSpeaker’s custom voice creation requires a separate project. ElevenLabs lets you clone a voice in minutes from your dashboard.
🏆 Voice Cloning Winner: ElevenLabs
3. Language & Voice Selection
イレブンラボ: Supports 70+ languages with a library of 10,000+ voices. You can ブラウズ community voices, curated collections, or design your own voice from scratch. The voice library is searchable by language, accent, age, and gender. New voices are added by users every day.
リードスピーカー: Supports 50+ languages with 200+ voices. The selection is smaller but every voice is tested for quality. Each voice is tuned for professional clarity and natural pronunciation. Some languages offer multiple voice options with different accents.
🏆 Language Support Winner: ElevenLabs
4. Accessibility & Compliance
イレブンラボ: Does not offer built-in accessibility compliance features. There is no text highlighting, no WCAG support, and no screen reader integration. It’s built for content creation, not accessibility.
リードスピーカー: This is where ReadSpeaker shines. It meets WCAG 2.2 and ADA standards. It highlights words as they are spoken. It includes page masking, dictionary tools, and reading rulers for users with disabilities. For schools and government agencies, this is a must-have.
💡 Test Result: ReadSpeaker’s text highlighting stayed perfectly synced with the audio across 50+ test pages. ElevenLabs has no equivalent feature. If your users need visual reading support, ReadSpeaker is the only choice here.
🏆 Accessibility Winner: ReadSpeaker
5. Expressive Controls
イレブンラボ: The v3 model supports audio tags for emotion. You can add [whispers], [laughs], [sighs], and dialogue mode. You can also control ピッチ, speed, and emotional tone through the interface.
リードスピーカー: Users can adjust reading speed and voice selection. But there are no emotion tags or fine-grained expressive controls. The focus is on clarity, not creative expression.
🏆 Expressive Controls Winner: ElevenLabs
6. AI Dubbing & Translation
イレブンラボ: Offers full AI dubbing that translates and re-voices videos into 30+ languages. It preserves the original speaker’s tone and timing. This is a huge advantage for global content teams.
リードスピーカー: Does not offer AI dubbing or video translation. Its focus is on reading text aloud, not producing dubbed video content.
💡 Test Result: We dubbed a 5-minute English video into Spanish ElevenLabsを使用. The output kept the original speaker’s voice and emotion. ReadSpeaker has no way to do this.
🏆 AI Dubbing Winner: ElevenLabs
7. Conversational AI
イレブンラボ: Build intelligent voice agents for customer support, sales, and education. Agents interact in real-time with low latency. They integrate with tools like Slack and Google Calendar. You can build a fully functional AI phone agent or chat アシスタント without writing much code.
リードスピーカー: Does not offer conversational AI agents. ReadSpeaker is a one-way text to speech tool. It reads content aloud but does not support two-way interactive conversations or voice-based chatbots.
🏆 Conversational AI Winner: ElevenLabs
8. Integration & Deployment
イレブンラボ: Offers a full API for developers. You can integrate TTS into apps, websites, and products. The API supports real-time streaming with latency as low as 75ms. The platform also works through a web dashboard and the ElevenReader mobile app for on-the-go listening.
リードスピーカー: Provides SaaS, SDK, and API options for different needs. Its webReader embeds into websites with a small code snippet. docReader handles PDFs and documents. It also integrates into LMS platforms as an LTI tool. Setup is simple for IT teams at schools and enterprises.
🏆 Integration Winner: Tie
💡 プロのヒント: If you need TTS inside a learning management system, ReadSpeaker’s LTI integration is unmatched. If you need TTS inside a custom app or product, ElevenLabs’ API is the better fit.
9. Music & Sound Effects
イレブンラボ: Generate studio-grade music and custom sound effects from text prompts. Your monthly credits cover music generation. No extra subscription needed.
リードスピーカー: Does not offer music or sound effects generation. It focuses purely on text to speech and reading assistance tools.
🏆 Music & SFX Winner: ElevenLabs
10. Pricing & Cost
Let’s compare the pricing models side by side.
| プランの種類 | イレブンラボ | リードスピーカー |
|---|---|---|
| 無料プラン | $0 (10,000 credits/month) | ❌ (14-day trial only) |
| Entry-Level Paid | $5/month (Starter) | From $9/month (TextAid) |
| Mid-Tier | $11/month (Creator) | カスタム見積もり |
| プロ | $99/month (Pro) | カスタム見積もり |
| 企業 | $330+/month (Scale) | カスタム見積もり |
イレブンラボ: Transparent, public pricing starting at $0. You know exactly what you’re paying. Credits scale with each tier. Best value for creators and small teams.
リードスピーカー: Custom pricing based on usage, users, and products. Some users report fixed annual costs. Good for enterprise budgets but hard to compare for individuals.
🏆 Pricing Winner: ElevenLabs
💡 Test Result: ElevenLabs lets you start for $0 and scale to $99/month with clear pricing. ReadSpeaker requires a sales call just to learn the cost. For budget planning, ElevenLabs wins hands down.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Tight budget | イレブンラボ | Free plan + $5/mo starter |
| 音声クローン | イレブンラボ | Instant + Pro cloning |
| WCAG / ADA compliance | リードスピーカー | Built-in compliance tools |
| YouTube voiceovers | イレブンラボ | Best voice realism |
| 学校 / LMS integration | リードスピーカー | LTI tool built for education |
| AI dubbing for videos | イレブンラボ | 30+ language dubbing |
| Website accessibility | リードスピーカー | webReader plugin |
💰 Your Budget
ElevenLabs gives you a free plan and paid plans from $5/month. ReadSpeaker requires a sales call for most plans. If you want to start today without talking to sales, ElevenLabs is your pick.
🔌 Your Tech Stack
ElevenLabs has a developer-friendly API for apps and products. ReadSpeaker integrates directly into websites and LMS platforms with simple code snippets. Pick based on where you need TTS.
📝 Your Content Type
If you create videos, podcasts, or audiobooks, ElevenLabs is the better fit. If you need to make web pages and documents accessible for all readers, choose ReadSpeaker.
🎓 Your Experience Level
ElevenLabs is beginner-friendly. You can generate speech in seconds. ReadSpeaker’s enterprise tools may need IT support to deploy across an organization.
🆓 Free Trials and Demos
ElevenLabs offers a permanent free plan with 10,000 credits per month. ReadSpeaker offers a 14-day free trial. Test both before you commit.
🛟 Support Options
ElevenLabs offers email support on all plans. ReadSpeaker provides dedicated account managers for enterprise clients. If hands-on support matters, ReadSpeaker has the edge.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
Switching TTS providers takes some planning. Here are the trade-offs for each direction.
🔄 Switching from ElevenLabs to ReadSpeaker?
✅ What you’ll gain:
- WCAG 2.2 and ADA compliance out of the box
- Synchronized text highlighting for readers
- Dedicated account manager and enterprise support
❌ What you’ll lose:
- Self-service voice cloning (instant and pro)
- AI dubbing and video translation tools
- AI music and sound effects generation
📋 How to switch:
- Export your audio files and voice settings from ElevenLabs
- Contact ReadSpeaker sales for a custom quote and trial
- Install ReadSpeaker’s webReader or TextAid on your platform
🔄 Switching from ReadSpeaker to ElevenLabs?
✅ What you’ll gain:
- Industry-leading voice realism with Eleven v3
- Instant voice cloning and AI dubbing in 30+ languages
- Transparent pricing starting at $0/month
❌ What you’ll lose:
- Built-in WCAG and ADA compliance features
- Synchronized text highlighting for accessibility
- LMS integration as an LTI tool
📋 How to switch:
- Cancel your ReadSpeaker contract (check minimum term)
- Create a free ElevenLabs account to test voice quality
- Upgrade to a paid plan and set up API or dashboard access
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | イレブンラボ |
| 🎯 Voice Quality | イレブンラボ |
| 🔊 Voice Cloning | イレブンラボ |
| 🌍 Language Support | イレブンラボ |
| ♿ Accessibility | リードスピーカー |
| 🔌 Integration | Tie |
| 🎵 Extra Features | イレブンラボ |
| 🏆 Overall Winner | イレブンラボ |
🏆 WINNER: ElevenLabs
ElevenLabs wins 5 out of 7 categories.
Best for: Content creators, YouTubers, podcast producers, developers, and anyone who needs realistic AI voices.
ElevenLabs and ReadSpeaker serve very different audiences.
ElevenLabs is the best AI voice generator for creating content. Its voice quality, cloning, and dubbing features are unmatched in 2026.
It turns text into speech that sounds real. It clones voices in minutes. It dubs videos into 30+ languages.
ReadSpeaker is the go-to tool for accessibility and compliance. Schools and enterprises trust it for WCAG 2.2 and ADA support.
It highlights words as they are spoken. It integrates into LMS platforms. It has 20+ years of industry trust behind it.
If you need accessible web pages and LMS integration, ReadSpeaker is excellent for that specific job.
But if you need realistic voiceovers, voice cloning, AI dubbing, or music generation, ElevenLabs is the clear winner.
For most creators, developers, and businesses, ElevenLabs gives you more value for your money.
Now, go create amazing audio content!
More of ElevenLabs Compared
Here’s how ElevenLabs stacks up against other competitors:
ElevenLabs vs マーフ 人工知能
ElevenLabs wins on: Voice realism, voice cloning, language count
Murf AI wins on: 内蔵 ビデオエディター, stock media library
ElevenLabs wins on: Voice quality, AI dubbing, music generation
Speechify wins on: Mobile app experience, reading assistance
ElevenLabs vs 説明
ElevenLabs wins on: Voice realism, language support, cloning accuracy
Descript wins on: Full video editing suite, transcript-based editing
ElevenLabs vs Play.ht
ElevenLabs wins on: Voice quality, AI agents, music generation
Play.ht wins on: 800+ voice library, blog-to-audio widgets
ElevenLabs wins on: Voice realism, dubbing, expressive audio tags
Lovo wins on: 500+ voices in 100 languages, video creation
ElevenLabs vs リスト番号
ElevenLabs wins on: Voice quality, cloning, AI dubbing
Listnr wins on: Podcast hosting, blog-to-podcast conversion
ElevenLabs vs ポッドキャスト
ElevenLabs wins on: Voice realism, language count, music generation
Podcastle wins on: Podcast recording studio, editing tools
ElevenLabs vs ダプダブ
ElevenLabs wins on: Voice quality, cloning accuracy, API access
Dupdub wins on: アバター creation, lower entry pricing
ElevenLabs vs ウェルサイドラボ
ElevenLabs wins on: Voice variety, dubbing, conversational AI
WellSaid Labs wins on: Enterprise governance, team collaboration
ElevenLabs vs リボイス
ElevenLabs wins on: Voice realism, cloning, expressive controls
Revoicer wins on: One-time pricing option, simplicity
ElevenLabs vs ナチュラルリーダー
ElevenLabs wins on: Voice quality, AI dubbing, music generation
NaturalReader wins on: OCR scanning, document reading ease
ElevenLabs vs 改変
ElevenLabs wins on: Language support, voice library size, dubbing
Altered wins on: Real-time voice changing, privacy focus
ElevenLabs vs スピーチロ
ElevenLabs wins on: Voice realism, cloning, ongoing updates
Speechelo wins on: One-time payment, no subscription needed
ElevenLabs vs TTS OpenAI
ElevenLabs wins on: Voice variety, cloning, dedicated TTS platform
TTS OpenAI wins on: との統合 チャットGPT プラットフォーム
ElevenLabs vs ヒューム
ElevenLabs wins on: TTS quality, voice library, dubbing tools
Hume wins on: Emotion recognition, empathic AI models
More of ReadSpeaker Compared
Here’s how ReadSpeaker stacks up against other competitors:
ReadSpeaker vs Hume
ReadSpeaker wins on: Accessibility compliance, text highlighting
Hume wins on: Emotion analysis, empathic voice AI
ReadSpeaker wins on: WCAG compliance, enterprise trust, LMS integration
Murf wins on: Voice realism, video editing, transparent pricing
ReadSpeaker wins on: Enterprise accessibility, LMS plugins
Speechify wins on: Mobile app, personal reading experience
ReadSpeaker wins on: Accessibility tools, web integration
Descript wins on: Video editing, podcast production
ReadSpeaker vs Play.ht
ReadSpeaker wins on: Compliance features, education focus
Play.ht wins on: Voice variety, creator-friendly pricing
ReadSpeaker wins on: Accessibility, institutional deployments
Lovo wins on: Video creation, 500+ voice options
ReadSpeaker wins on: WCAG compliance, document reading
Listnr wins on: Podcast hosting, blog conversion tools
ReadSpeaker wins on: Web accessibility, enterprise support
Podcastle wins on: Audio recording, podcast editing suite
ReadSpeaker wins on: Compliance tools, institutional trust
Dupdub wins on: Avatar creation, video dubbing
ReadSpeaker wins on: Accessibility, education market
WellSaid Labs wins on: Voice quality, team workspace
ReadSpeaker wins on: Enterprise compliance, text highlighting
Revoicer wins on: One-time pricing, ease of use
ReadSpeaker wins on: WCAG compliance, LMS integration
NaturalReader wins on: Personal reading app, OCR scanning
ReadSpeaker wins on: Accessibility tools, education focus
Altered wins on: Real-time voice changing, creative tools
ReadSpeaker vs Speechelo
ReadSpeaker wins on: Enterprise support, compliance features
Speechelo wins on: One-time payment, beginner simplicity
ReadSpeaker vs TTS OpenAI
ReadSpeaker wins on: Accessibility, web integration tools
TTS OpenAI wins on: Voice quality, ChatGPT integration
よくある質問
ElevenLabs は無料ですか?
Yes. ElevenLabs offers a free plan with 10,000 credits per month. You can test voice quality and features without paying. But the free plan does not include commercial usage rights. You need the $5/month Starter plan to use audio in monetized content like YouTube videos or paid ads.
ReadSpeakerは無料ですか？
No. ReadSpeaker does not have a permanent free plan. It offers a 14-day free trial with no credit card required. After that, you need a paid plan or custom quote from their sales team. TextAid for individuals starts at $9/month.
What is the most realistic AI voice generator?
ElevenLabs is widely considered the most realistic AI voice generator in 2026. Its Eleven v3 model produces speech that most listeners cannot tell apart from a real human voice. The expressive audio tags let you add whispers, laughs, and emotional tones to make voices even more lifelike.
Can ElevenLabs clone my voice?
Yes. ElevenLabs offers Instant Voice Cloning with under a minute of audio. It also has Professional Voice Cloning for near-perfect replicas. Both options are self-service from your dashboard. The more audio samples you provide, the more accurate the clone becomes.
What is ReadSpeaker TextAid?
ReadSpeaker TextAid is an 補助的な tool for learning. It reads text aloud with synchronized highlighting. It supports students with dyslexia, learning disabilities, and language learners. It works on web pages, documents, and LMS platforms. No downloads are needed. It runs in any web browser.
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