📊 Our Test Results:
- 🎯 音声品質: TTSOpenAI scored 9/10 vs Listnr 7/10 — TTSOpenAI wins
- ⚡ Generation Speed: TTSOpenAI delivered audio in 2 seconds vs Listnr in 5 seconds — TTSOpenAI wins
- 🌍 Language Variety: Listnr offers 1,000+ voices in 142+ languages vs TTSOpenAI’s 6 voices — Listnr wins
- 💰 Cost for 10,000 Words: TTSOpenAI cost $0.40 vs Listnr cost $19/month — TTSOpenAI wins
- 📝 All-in-One Features: Listnr includes podcast hosting, video, and dubbing vs TTSOpenAI’s TTS only — Listnr wins
Are you struggling to find the right AI voice ジェネレータ あなたのプロジェクトのために?
You want natural sounding speech that grabs your audience.
Two strong contenders in this space are Listnr and TTSOpenAI.
Listnr is a full content creation platform with 1,000+ AI voices.
TTSOpenAI is a focused テキスト読み上げ tool powered by OpenAI’s voice engine.
In this head-to-head matchup, we break down their strengths and weaknesses.
By the end, you will know exactly which tool fits your needs.
概要
To give you the most accurate comparison, we tested both Listnr vs TTSOpenAI.
We spent weeks using each platform for real projects.
We created voiceovers, tested voice quality, and compared pricing.
We are sharing our firsthand experience to help you make the right choice.
TTSOpenAIとは何ですか?
TTSOpenAI is a browser-based text to speech platform powered by OpenAI’s voice engine.
It turns written text into natural sounding audio in seconds.
The platform uses deep-learning neural networks trained on massive audio datasets.
You get access to premium voices like Alloy, Echo, Nova, and Shimmer.
Each voice has a unique personality — from warm and friendly to professional and calm.
TTSOpenAI
TTSOpenAI converts text into lifelike audio using OpenAI’s voice engine. It offers a free tier, pay-as-you-go pricing, and a developer-friendly API for quick app integration.
TTSOpenAIの価格
Here is what TTSOpenAI costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 使った分だけ支払う | $0.00004/credit | Everyone — pay only for what you use |
無料トライアル: Yes. You get 2,000 free characters to test all voices. No credit card needed.
返金保証: Since it is pay-as-you-go, there is no subscription to cancel. You only spend what you use.
📌 注記： One character equals one credit. You can buy credit packs starting at $8 for 200,000 credits. Credits expire after 60 days.
⚠️ Warning: Credits expire in 60 days. Buy only what you need for your current project. Plan your usage so you do not waste money on unused credits.
Key Benefits of TTSOpenAI
Here is why TTSOpenAI stands out from the competition:
- OpenAI Voice Engine: Built on the same technology behind チャットGPT. The voices sound more human than most competitors.
- Pay-As-You-Go Pricing: No monthly subscription required. You pay only for the audio you create. Perfect for occasional users.
- Free Tier Available: Test all 6 voices with 2,000 free characters before spending a penny.
- 開発者API: A clean REST API lets you add voice features to your apps in minutes.
- Custom Voice Maker: Create a custom voice from just a 60-second audio sample. Great for brand consistency.
- Story Maker Tool: Generate speech from story templates with emotional delivery. Ideal for audiobooks.
TTSOpenAI Pros & Cons
✅ Pros
- Voices sound extremely natural with proper tone and pauses
- Flexible pay-as-you-go model with no monthly fees
- Generous free tier for testing before committing
- Fast audio generation — results in seconds
❌ Cons
- Only 6 built-in voices — very limited variety
- No built-in audio editor or timeline tool
- Credits expire after 60 days if unused
Listnrとは何ですか？
Listnr is an all-in-one AI voice generation platform for creators and businesses.
It converts text into high-quality audio using over 1,000 voices in 142+ languages.
Beyond voice generation, Listnr includes podcast hosting, AI dubbing, and text-to-video tools.
Think of it as a complete audio コンテンツスタジオ in your browser.
It is built for podcasters, YouTubers, marketers, and e-learning creators.
リスト番号
Listnr turns your text into realistic audio with 1,000+ AI voices in 142+ languages. It bundles podcast hosting, video creation, and AI dubbing into one platform.
リスト番号の価格
Here is what Listnr costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 個人 | 月額19ドル | Solo creators and beginners |
| ソロ | 月額39ドル | Frequent users and フリーランサー |
| 代理店 | 月額99ドル | Teams and large-scale production |
無料トライアル: Yes. Listnr offers a free plan with 1,000 words per month. No credit card needed to start.
返金保証: Listnr offers annual billing with a 30-40% discount. Check their site for refund terms before committing.
📌 注記： The Individual plan gives you 20,000 words per month, 50 videos, and 50GB storage. You get full access to all 1,000+ voices and commercial rights.
⚠️ Warning: Some users report platform outages and slow support response times. Test the free plan on a real project before upgrading to a paid plan.
Key Benefits of Listnr
Here is why Listnr stands out from the competition:
- 膨大な音声ライブラリ: Over 1,000 AI voices in 142+ languages. No other tool in this price range offers this many options.
- Built-in Podcast Hosting: Create, host, and distribute your podcast to Spotify and Apple Podcasts from one dashboard.
- テキストからビデオへ: Convert your written content into video with AI voiceovers. Great for ソーシャルメディア.
- AI音声クローニング: Clone your own voice to create a digital twin. Keep your brand voice consistent across content.
- AI Dubbing: Dub your audio into different languages automatically. Reach a global audience without re-recording.
- Embeddable Audio Player: Add a custom audio player to your website. Let visitors listen to your articles directly on your blog.
Listnr Pros & Cons
✅ Pros
- 1,000+ voices in 142+ languages — unmatched variety
- All-in-one platform with podcast, video, and dubbing tools
- Easy-to-use interface for beginners
- Full commercial rights on all paid plans
❌ Cons
- Platform suffers from reported outages and reliability issues
- Voice quality does not match TTSOpenAI’s neural voices
- Monthly subscription can get expensive for light users
機能比較
Ready to dive into a detailed comparison of Listnr vs TTSOpenAI?
We will explore 9 key features to help you pick the right AI voice generator.
| 特徴 | TTSOpenAI | リスト番号 |
|---|---|---|
| 開始価格 | $0.00004/credit | 月額19ドル |
| 無料プラン | ✅ (2,000 chars) | ✅ (1,000 words/mo) |
| Voice Count | 6 built-in | 1,000+ |
| 言語 | 複数 | 142+ |
| 音声クローン | ✅ | ✅ |
| テキストからビデオへ | ❌ | ✅ |
| Podcast Hosting | ❌ | ✅ |
| APIアクセス | ✅ | ✅ |
| 最適な用途 | Developers & quality-focused creators | Podcasters & multi-format creators |
1. 音声品質
TTSOpenAI: TTSOpenAI uses OpenAI’s deep-learning neural networks for voice generation. The voices capture natural cadence, tone, and emphasis. Each of the 6 voices — Alloy, Echo, Fable, Onyx, Nova, and Shimmer — sounds distinct and human-like.
リスト番号: Listnr offers good voice quality across its 1,000+ voices. Some voices sound very realistic. Others can feel slightly robotic, especially in less popular languages. The quality varies more than TTSOpenAI.
💡 Test Result: TTSOpenAI scored 9/10 for voice naturalness. Listnr scored 7/10. TTSOpenAI’s voices sound more like a real person reading your script.
2. Voice Variety
TTSOpenAI: Only 6 built-in voices are available. Each one sounds great. But if you need a specific accent or gender, your options are limited. The Custom Voice Maker helps, but it requires your own audio sample.
リスト番号: Over 1,000 voices across 142+ languages and accents. You can find voices for almost any project. From English to Japanese to Hindi — Listnr has you covered. This is its biggest advantage over TTSOpenAI.
3. Text-to-Speech Speed
TTSOpenAI: Audio generation is nearly instant. You paste your text and hear results within 2 seconds. The platform supports real-time audio streaming for low-latency use cases.
リスト番号: Generation takes about 5 seconds for short text. Longer content can take longer. Some users report lag and slow processing during peak hours.
4. Voice Customization
TTSOpenAI: You can adjust speed from 0.25x to 4x. SSML tags let you control ピッチ, pauses, and pronunciation. The Emotion Text tool adds expressive delivery. You can make a voice sound calm, energetic, or gentle.
リスト番号: Listnr provides percentage-based pitch controls. You can adjust speed, pauses, and custom pronunciations. The TTS editor lets you fine-tune every detail of your audio.
5. 音声クローン
TTSOpenAI: The Custom Voice Maker creates a digital version of your voice from a 60-second audio sample. It works well for basic cloning needs. However, it is not as advanced as dedicated cloning tools.
リスト番号: Listnr also offers AI voice cloning to create a digital twin of your voice. It is designed for brand consistency across all your content. The cloned voice works in the TTS editor just like any other voice.
6. API and Developer Tools
TTSOpenAI: The REST API is clean and well-documented. Developers can add voice features to apps, websites, and チャットボット quickly. It supports real-time audio streaming for voice agents.
リスト番号: Listnr offers a RESTful API with webhook support. You can embed automated audio into your CMS platforms. However, some users report the API documentation lacks depth and detail.
7. コンテンツ作成ツール
TTSOpenAI: TTSOpenAI focuses strictly on text to speech. It includes a Story Maker and Emotion Text tools. But there is no video creation, podcast hosting, or audio editing built in.
リスト番号: Listnr is a full content creation platform. You get text-to-video, podcast hosting, AI dubbing, and an embeddable audio player. It is a one-stop-shop for audio and video content.
⚠️ Warning: If you only need voiceovers, Listnr’s extra features may not be worth the higher monthly cost. But if you create podcasts or video content, Listnr saves you from paying for multiple tools.
8. 多言語サポート
TTSOpenAI: Supports multiple languages including English, Spanish, French, and Japanese. However, the total language count is much smaller than Listnr’s. The quality stays high across supported languages.
リスト番号: Supports 142+ languages and accents. This is the widest language coverage in this comparison. If you need content in Hindi, Arabic, or Swahili, Listnr has voices ready to go.
9. Pricing & Cost
Let’s compare the pricing plans side by side.
| プラン | TTSOpenAI | リスト番号 |
|---|---|---|
| 無料 | 2,000 characters | 1,000 words/month |
| Entry Paid | $8 for 200,000 credits | $19/month (Individual) |
| Mid Tier | 使った分だけ支払う | $39/month (Solo) |
| High Volume | 使った分だけ支払う | $99/month (Agency) |
TTSOpenAI: The pay-as-you-go model is much cheaper for occasional use. If you generate 10,000 characters, you pay about $0.40. No subscription lock-in. Great for freelancers and developers.
リスト番号: The $19/month Individual plan includes 20,000 words, 50 videos, and podcast hosting. If you use all the bundled features, it is good value. But if you only need TTS, you are paying for tools you may never use.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Tight budget | TTSOpenAI | Pay only for what you use |
| Most natural voices | TTSOpenAI | OpenAI voice engine quality |
| 142+ languages | リスト番号 | 1,000+ voices worldwide |
| ポッドキャストホスティング | リスト番号 | Built-in distribution tools |
| 開発者API | TTSOpenAI | Clean REST API, fast setup |
| Video voiceovers | リスト番号 | Text-to-video included |
💰 Your Budget
TTSOpenAI is the clear winner for budget-conscious users. You pay per credit with no monthly fee. Listnr starts at $19/month, which adds up if you only need occasional voiceovers.
🔌 Your Tech Stack
If you build apps or chatbots, TTSOpenAI’s REST API is easier to work with. If you need CMS or podcast platform connections, Listnr’s webhooks and embeddable player are helpful.
📝 Your Content Type
For standalone voiceovers and audiobooks, TTSOpenAI delivers better quality per dollar. For multi-format content like podcasts, videos, and dubbed audio, Listnr is the smarter pick.
🎓 Your Experience Level
Both tools are beginner-friendly. Listnr’s dashboard is more visual and guided. TTSOpenAI is simpler — paste text, pick a voice, and download. Less to learn means faster results.
🆓 Free Trials and Demos
Both platforms offer free trials. TTSOpenAI gives 2,000 free characters. Listnr gives 1,000 free words per month. Try both before committing.
🛟 Support Options
Listnr offers customer support, but response times can be slow. TTSOpenAI has documentation and a growing knowledge base. Neither platform offers phone support.
Switching Guide
Already using one of these tools? Here is what to expect if you switch.
🔄 Switching from TTSOpenAI to Listnr?
✅ What you’ll gain:
- Access to 1,000+ voices in 142+ languages instead of just 6
- Built-in podcast hosting with Spotify and Apple distribution
- Text-to-video and AI dubbing tools in one platform
❌ What you’ll lose:
- The superior voice quality of OpenAI’s neural engine
- Flexible pay-as-you-go pricing with no monthly commitment
- Near-instant audio generation speed
📋 How to switch:
- Download all your generated audio files from TTSOpenAI
- Create a Listnr account and start with the free plan
- Re-generate your key content using Listnr’s voice library
🔄 Switching from Listnr to TTSOpenAI?
✅ What you’ll gain:
- Higher voice quality powered by OpenAI’s neural network
- Pay-as-you-go pricing — no monthly bills if you stop using it
- Faster audio generation with real-time streaming support
❌ What you’ll lose:
- Access to 1,000+ voices and 142+ language options
- Podcast hosting and distribution features
- Text-to-video and AI dubbing capabilities
📋 How to switch:
- Export all audio files and podcast episodes from Listnr
- Sign up for TTSOpenAI’s free tier — no credit card needed
- Start creating with TTSOpenAI’s premium voices and buy credits as needed
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | TTSOpenAI |
| 🎯 Voice Quality | TTSOpenAI |
| ⚡ Speed | TTSOpenAI |
| 🌍 Language Variety | リスト番号 |
| 🔌 API & Developer Tools | TTSOpenAI |
| 📝 Content Creation Tools | リスト番号 |
| 👶 Ease of Use | TTSOpenAI |
| 🏆 Overall Winner | TTSOpenAI |
🏆 WINNER: TTSOpenAI
TTSOpenAI wins 5 out of 7 categories.
Best for: Developers building voice apps, creators who want the most natural AI voices, and budget-conscious users who prefer pay-as-you-go pricing.
TTSOpenAI and Listnr serve very different needs.
TTSOpenAI is a focused voice generator built on OpenAI’s technology.
It delivers the most natural sounding voices at the lowest cost.
Listnr is a full content creation platform for podcasters and video creators.
If you need podcast hosting, AI dubbing, or 142+ languages, Listnr is excellent.
However, if voice quality and flexible pricing matter most, TTSOpenAI is the better choice.
Now, go create some amazing voiceovers!
More of TTSOpenAI Compared
Here’s how TTSOpenAI stacks up against other competitors:
TTSOpenAI vs マーフ
TTSOpenAI wins on: Voice naturalness, pay-as-you-go pricing
Murf wins on: Voice variety (120+ voices), built-in ビデオエディター
TTSOpenAI wins on: Cost flexibility, developer API
Speechify wins on: Reading experience, browser extension, mobile app
TTSOpenAI vs 説明
TTSOpenAI wins on: Voice quality, simple pricing model
Descript wins on: Full audio/video editing, transcription tools
TTSOpenAI vs イレブンラボ
TTSOpenAI wins on: Lower cost per character, free tier
ElevenLabs wins on: 1,200+ voices, advanced voice cloning
TTSOpenAI vs Play.ht
TTSOpenAI wins on: Voice naturalness, real-time streaming
Play.ht wins on: 907 voices in 142 languages, audio widget
TTSOpenAI vs Lovo
TTSOpenAI wins on: Pay-per-use pricing, API speed
Lovo wins on: Voice variety, skin and avatar features
TTSOpenAI vs ポッドキャスト
TTSOpenAI wins on: Voice quality, developer tools
Podcastle wins on: Podcast editing suite, background noise removal
TTSOpenAI vs ダプダブ
TTSOpenAI wins on: Voice naturalness, pricing flexibility
Dupdub wins on: Video dubbing, avatar creation
TTSOpenAI vs ウェルサイドラボ
TTSOpenAI wins on: Free tier, cost per character
WellSaid Labs wins on: Enterprise features, team collaboration
TTSOpenAI vs リボイス
TTSOpenAI wins on: Voice quality, real-time generation
Revoicer wins on: Emotion controls, one-time pricing option
TTSOpenAI vs リードスピーカー
TTSOpenAI wins on: Pricing, ease of setup
ReadSpeaker wins on: Enterprise TTS, accessibility compliance
TTSOpenAI vs ナチュラルリーダー
TTSOpenAI wins on: Voice naturalness, API integration
NaturalReader wins on: Desktop app, OCR document reading
TTSOpenAI vs 改変
TTSOpenAI wins on: Cost, simplicity
Altered wins on: Voice morphing, professional audio editing
TTSOpenAI vs スピーチロ
TTSOpenAI wins on: Voice quality, modern AI engine
Speechelo wins on: One-time purchase option, beginner simplicity
TTSOpenAI vs ヒューム
TTSOpenAI wins on: Text to speech quality, free tier
Hume wins on: Emotion AI research, empathic voice analysis
More of Listnr Compared
Here’s how Listnr stacks up against other competitors:
Listnr wins on: Voice count (1,000+), podcast hosting
Murf wins on: Video editor integration, enterprise features
Listnr wins on: Content creation tools, dubbing feature
Speechify wins on: Reading experience, mobile listening app
Listnr wins on: Voice library size, podcast distribution
Descript wins on: Full audio/video editing, screen recording
Listnr wins on: Podcast hosting, text-to-video, lower entry price
ElevenLabs wins on: Voice quality, advanced cloning, emotional range
Listnr vs Play.ht
Listnr wins on: All-in-one features, AI dubbing
Play.ht wins on: Voice quality consistency, embedding options
Listnr wins on: Language coverage, podcast hosting
Lovo wins on: Video avatars, プレゼンテーション モード
Listnr wins on: Voice library, text-to-video
Podcastle wins on: Podcast editing, noise cancellation
Listnr wins on: Voice count, podcast distribution
Dupdub wins on: Video dubbing focus, avatar creation
Listnr wins on: Pricing, feature variety
WellSaid Labs wins on: Enterprise quality, team management
Listnr wins on: Language count, content creation tools
Revoicer wins on: Emotion controls, one-time pricing
Listnr wins on: Price, beginner friendliness
ReadSpeaker wins on: Enterprise TTS, accessibility compliance
Listnr wins on: Voice variety, podcast hosting
NaturalReader wins on: Desktop app, OCR for scanned docs
Listnr wins on: Pricing, content distribution tools
Altered wins on: Voice morphing, professional audio editing
Listnr wins on: Voice count, ongoing updates
Speechelo wins on: One-time purchase, simple interface
Listnr vs Hume
Listnr wins on: Content creation, voice variety
Hume wins on: Emotion AI, empathic voice analysis
よくある質問
Is TTSOpenAI free to use?
Yes. TTSOpenAI offers a free tier with 2,000 characters. No credit card is needed to start. After that, you buy credits with the pay-as-you-go model.
How much does Listnr cost?
Listnr starts at $19/month for the Individual plan. The Solo plan is $39/month and the Agency plan is $99/month. A free plan with 1,000 words per month is also available.
What is the most realistic AI text-to-speech?
TTSOpenAI delivers some of the most realistic AI voices available. It is powered by OpenAI’s deep-learning neural networks. ElevenLabs is another top contender for voice realism.
そこにあります free AI voice generator?
Both TTSOpenAI and Listnr offer free tiers. TTSOpenAI gives you 2,000 free characters. Listnr gives you 1,000 free words per month. These are enough to test voice quality before buying.
Does OpenAI have a text to speech?
Yes. OpenAI offers text to speech through its API. TTSOpenAI is a browser-based platform that uses OpenAI’s voice engine technology. It makes the TTS features easy to use without coding.
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