OpenAI Text to Speech API

Explore the new features and pricing for OpenAI's text to speech (TTS) audio models. Learn to craft AI-generated voices easily with our straightforward guide.

The Capabilities of OpenAI's TTS

OpenAI has just launched two Text to Speech (TTS) API models: TTS and TTS HD. Moreover, GPT-4 Turbo now has a 128k context window, fresher knowledge and a broadest set of capabilities. Together with the DALL·E 3 API for advanced image generation, and novel APIs for coding, the new developments will enable more sophisticated and efficient workflows.


  • OpenAI's Text to Speech API
  • Pricing: OpenAI's Audio Models
  • Features in OpenAI's TTS API
  • ElevenLabs' Vision for Text-to-Speech
  • A Comparative Look: ElevenLabs vs. OpenAI's TTS Models
  • Integration: Combining ElevenLabs and OpenAI's APIs

Pricing: OpenAI's Audio Models

OpenAI's pricing structure for their TTS offerings is designed to accommodate a wide range of needs and budgets:

  • Whisper Model: Priced at $0.006 per minute, it is an economical option for those needing speech recognition. It's billed by the second, ensuring users only pay for what they use.
  • Standard TTS Model: At $0.015 per 1,000 characters, this model is a cost-effective way to integrate TTS into applications, making it accessible even for smaller projects or startups.
  • TTS HD Model: For $0.030 per 1,000 characters, the HD TTS model offers high-definition audio, which is ideal for professional-grade needs where audio quality is paramount.

Features in OpenAI's TTS API

  • GPT-4 Turbo with 128k Context: This suggests a more robust model capable of understanding and generating text with a much larger context window, potentially leading to more coherent and detailed conversations.
  • New DALL·E 3 API: The DALL·E 3 API would enable developers to integrate advanced image generation capabilities within their applications, taking content creation to new heights.
  • New API for Code Interpreter and Retrieval: This could revolutionize how developers interact with code, offering tools for more efficient coding and problem-solving.
  • New TTS API: With the new TTS API, users might expect not just enhancements in voice quality but also new features like voice styles, emotional intonations, and the ability to tailor speech output to specific use cases.

OpenAI's commitment to innovation is evident in these developments, which would not only enhance the existing TTS technology but also expand the scope of what's possible in human-AI interactions.

Everything You Can Do With OpenAI Voice

The ChatGPT voice generator is not merely a technological tool, it's a gateway to immersive, multi-sensory experiences that make digital interactions more intuitive and encompassing. 

Let's delve into its expansive capabilities:

Speak Questions to ChatGPT

Gone are the days when interactions with ChatGPT were limited to typing. Now, striking up a conversation is as simple as:

  1. Opening the ChatGPT app and logging in with your OpenAI Account.
  2. Tapping on 'new question'.
  3. Selecting the headphone icon.
  4. Choosing a preferred voice.
  5. Voicing out your query.
  6. Waiting a moment to receive a vocally articulated response.

Imagine casually asking, "Tell me about the Renaissance period?" and having a nuanced, articulate reply echoed back. 

This dynamic offers more than just answers. It provides an experience of human-like discourse with an AI.

Text-to-Speech Model

OpenAI's new voice technology heralds an era of auditory diversity. From the tranquil tones of a baritone to the vibrant pitches of a soprano, OpenAI Voice encapsulates a spectrum of voices. 

Beyond mere replication, this technology crafts synthetic voices that bear an uncanny resemblance to genuine human speech, enhancing authenticity in interactions. 

However, it's important to note that while the potential applications are vast, they come with ethical considerations. The precision of voice synthesis, though remarkable, could be misused for deceit or impersonation. 

OpenAI acknowledges these challenges and has actively taken measures to mitigate misuse, primarily by focusing on specific, beneficial use cases, like voice chat.

ElevenLabs' Vision for Text-to-Speech: Already a Reality

In the realm of Text-to-Speech (TTS) technology, while OpenAI's advancements hold immense promise, ElevenLabs has already set a gold standard with its innovative Generative Speech Synthesis Platform. 

By harmonizing advanced AI with emotive capabilities, ElevenLabs delivers a voice experience that's not only lifelike but also contextually rich and emotionally nuanced.

A Step Beyond Traditional TTS

The brilliance of ElevenLabs lies in its focus on the subtleties:

  • Contextual Awareness: Understanding the nuances in text, the platform ensures that the generated speech reflects accurate intonation and resonance, making the speech more relatable and human-like.
  • Voice Cloning: Venturing into the futuristic domain, ElevenLabs offers a unique voice cloning feature, allowing users to replicate a specific voice, offering a personalized touch that's unmatched in the industry.
  • Diverse Voice Palette: Catering to global needs, the platform boasts voices that span 28 languages, each retaining its unique linguistic characteristics. Whether you're designing with the Voice Library or opting for top-tier voice actors, the authenticity is palpable.
  • Synthetic Voice Creation: Not just limited to cloning or replicating voices, ElevenLabs breaks the traditional mold by enabling users to create entirely synthetic voices. These voices, generated from scratch, provide an avenue for businesses and individuals to have a unique vocal identity, ensuring distinctiveness and differentiation. 

Precision at Its Best

The platform's versatility doesn't end with its vast voice offerings. Users can delve deep, fine-tuning outputs for the perfect balance between clarity, stability, and expressiveness with a dedicated voice lab

With intuitive settings, one can exaggerate voice styles for dramatic effects or prioritize consistent stability for formal content.

Developer-Centric Approach

Understanding the ever-evolving needs of developers, ElevenLabs has designed an ultra-responsive API. With ultra-low latency, it can stream audio in under a second. 

Furthermore, even non-tech users can harness the power of this platform, refining voice outputs with user-friendly adjustments for punctuation, context, and voice settings.

Why Wait for the Future When It's Here?

OpenAI's potential TTS might be on the horizon, but ElevenLabs has already realized many of the anticipated features. 

Passionately engineered by a team devoted to revolutionizing AI audio, ElevenLabs prioritizes user experience, from genuine language authenticity to ethical AI practices.

ElevenLabs isn't just a platform—it's a testament to what's achievable in the TTS domain, showcasing features that might still be in the realm of speculation for others. 

As OpenAI takes its steps into this field, the benchmarks set by ElevenLabs will undoubtedly serve as significant milestones.

A Comparative Look: ElevenLabs vs. OpenAI's TTS Models

When comparing ElevenLabs to OpenAI's forthcoming TTS model, several key distinctions emerge:

  • Voice Cloning: ElevenLabs offers unique voice cloning capabilities, which OpenAI's current TTS models do not.
  • Latency: With the introduction of our Turbo v2 model, ElevenLabs stands out for providing low-latency solutions at <400ms, an essential attribute for real-time applications.
  • Pricing: OpenAI has introduced a pricing model that is competitive, yet ElevenLabs continues to offer the highest price-to-quality ratio on the market.

Integration: Combining ElevenLabs and OpenAI's APIs

The future of TTS technology is collaborative. By making OpenAI's API compatible with ElevenLabs' technology, we envision a seamless integration where users can benefit from the strengths of both platforms. This compatibility would allow users to utilize OpenAI's TTS for tasks like speech-to-text conversion while taking advantage of ElevenLabs' voice cloning and low-latency playback for an enriched auditory experience.

Discover the Future of TTS Today

Ready to take your audio content to the next level? Dive into the realm of lifelike, context-aware audio generation perfected for your needs. Experience ElevenLabs Text to Speech today and be part of the TTS revolution. 


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