# ElevenLabs vs. OpenAI Text-to-Speech The best way to compare ElevenLabs vs. OpenAI Text-to-Speech: audio samples, features, plans, pricing, and more. # Live Demo Non-Fiction Fiction News Blog Conversation 0/250 Voice Sierra Autumn Melody Hannah Emily Ivy Kaitlyn Luna Willow Lauren Sierra Noah Jasper Caleb Ronan Ethan Daniel Zane Rowan Language ๐Ÿ‡บ๐Ÿ‡ธ US English ๐Ÿ‡บ๐Ÿ‡ธ US English ๐Ÿ‡ฌ๐Ÿ‡ง UK English ๐Ÿ‡จ๐Ÿ‡ณ Mandarin Chinese ๐Ÿ‡ฎ๐Ÿ‡ณ Hindi ๐Ÿ‡ช๐Ÿ‡ธ Spanish ๐Ÿ‡ง๐Ÿ‡ท Portuguese ๐Ÿ‡ฏ๐Ÿ‡ต Japanese ๐Ÿ‡ซ๐Ÿ‡ท French ๐Ÿ‡ฎ๐Ÿ‡น Italian Format Standard Standard MP3 Phone Call PCM ยต-law Normal Speed 1.0 Pitch Bitrate 192k 192k 128k 96k 64k 48k 32k 16k _Synthesize_ Speed 0 s Filesize 0 kb ## [ElevenLabs](https://elevenlabs.io/) Cutting-edge AI voice synthesis, transforming text into realistic speech with emotion and intonation. ## [OpenAI Text-to-Speech](https://platform.openai.com/docs/guides/text-to-speech) Convert text into lifelike spoken audio using one of the six built-in voices. ### Voice Quality #### ElevenLabs Samples Mean Opinion Score Fiction 4.54 Non-Fiction 4.19 Conversation 4.22 #### OpenAI Text-to-Speech Samples Mean Opinion Score Fiction N/A Non-Fiction N/A Conversation N/A Mean Opinion Score (MOS) is a numerical measure that represents the perceived quality of audio samples, commonly used in evaluating text-to-speech systems. The score ranges from 1 to 5, with 1 indicating poor quality and 5 signifying excellent quality. These scores are derived from comprehensive, professionally-conducted evaluations, and are anonymized to ensure unbiased results. ### Features #### ElevenLabs Features - Voice Cloning - Multi-lingual - Per-word Timestamps - Pitch Control - Speed Control - Phone Formats (e.g. pcm_mulaw) #### OpenAI Text-to-Speech Features - Voice Cloning - Multi-lingual - Per-word Timestamps - Pitch Control - Speed Control - Phone Formats (e.g. pcm_mulaw) #### Features - Conclusion - **ElevenLabs** offers a more feature-rich text-to-speech service compared to **OpenAI Text-to-Speech**, including the unique capability of voice cloning and support for phone formats. - However, both services provide multi-lingual support, but lack per-word timestamps, pitch control, and speed control features. - This comparison highlights **ElevenLabs**' broader feature set, catering to users seeking more advanced options like voice cloning. ### Pricing & Plans #### ElevenLabs Pricing - Free - $0/mo - 10,000 characters - Starter - $5/mo - 30,000 characters - Creator - $22/mo - 100,000 characters - Independent Publisher - $99/mo - 500,000 characters - Growing Business - $330/mo - 2M characters #### OpenAI Text-to-Speech Pricing - Pay As You Go - $15 per - 1M characters - Optimized for speed - Pay As You Go (TTS HD) - $30 per - 1M characters - Optimized for quality #### Pricing & Plans - Conclusion - In a direct comparison of pricing for text-to-speech services, **OpenAI Text-to-Speech** emerges as the more cost-effective option across all usage levels, offering a significantly lower flat rate compared to **ElevenLabs**' tiered pricing plans. - While **ElevenLabs** provides a free plan for users with minimal needs, OpenAI's pay-as-you-go plan is better suited for larger volumes of text conversion. - This analysis focuses solely on the financial aspect, highlighting **OpenAI Text-to-Speech** as the superior choice for users prioritizing budget. ### Summary - In comparing **ElevenLabs** and **OpenAI Text-to-Speech** services, **ElevenLabs** stands out for its higher voice quality scores and advanced features, including voice cloning and support for phone formats, making it suitable for users seeking realism and versatility in voice synthesis. - However, **OpenAI Text-to-Speech** offers a more cost-effective solution with its flat-rate pricing, appealing to users with large volume needs on a budget. - Ultimately, the choice between the two depends on the user's priorities: **ElevenLabs** for feature richness and voice quality, or OpenAI for budget-friendly scalability.