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ease
features
design
support

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Description

Eleven Realtime offers a speech-to-speech API aimed at developers, enabling the integration of live voice conversations into applications and AI agents. This innovative service merges speech recognition, turn-taking capabilities, language-model reasoning, and voice synthesis, providing both Mini and Max model options tailored to various conversational requirements. Developers can access these models through the Realtime API or via ElevenAgents, facilitating seamless integration. The streaming interface is specifically crafted to enhance interactive voice experiences across various applications such as virtual assistants, customer support systems, educational tutors, and interactive characters. Agent configurations can be customized to encompass prompts, voices, tools, knowledge bases, and conversational flows, allowing for a high degree of flexibility. Additionally, Realtime usage is charged on a per-minute basis, along with fees for model input and output tokens. This product is purpose-built for developers and organizations focused on creating real-time conversational experiences and voice-enabled customer interactions, ultimately enhancing user engagement and satisfaction. The versatility of Eleven Realtime positions it as a valuable resource for modern application development.

Description

GPT-Realtime, OpenAI's latest and most sophisticated speech-to-speech model, is now available via the fully operational Realtime API. This model produces audio that is not only highly natural but also expressive, allowing users to finely adjust elements such as tone, speed, and accent. It is capable of understanding complex human audio cues, including laughter, can switch languages seamlessly in the middle of a conversation, and accurately interprets alphanumeric information such as phone numbers in various languages. With a notable enhancement in reasoning and instruction-following abilities, it has achieved impressive scores of 82.8% on the BigBench Audio benchmark and 30.5% on MultiChallenge. Additionally, it features improved function calling capabilities, demonstrating greater reliability, speed, and accuracy, with a score of 66.5% on ComplexFuncBench. The model also facilitates asynchronous tool invocation, ensuring that dialogues flow smoothly even during extended calls. Furthermore, the Realtime API introduces groundbreaking features like support for image input, integration with SIP phone networks, connections to remote MCP servers, and the ability to reuse conversation prompts effectively. These advancements make it an invaluable tool for enhancing communication technology.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

OpenAI Yes 
Azure Voice Live API No 
ChatGPT No 
ElevenLabs Yes 
GPT-Realtime-1.5 No 
GPT-Realtime-2 No 
GPT-Realtime-2.1 No 
GPT-Realtime-Translate No 
GPT‑Realtime‑Whisper No 
Microsoft Foundry Models No 
SmartCallz No 

Integrations

OpenAI Yes 
Azure Voice Live API Yes 
ChatGPT Yes 
ElevenLabs No 
GPT-Realtime-1.5 Yes 
GPT-Realtime-2 Yes 
GPT-Realtime-2.1 Yes 
GPT-Realtime-Translate Yes 
GPT‑Realtime‑Whisper Yes 
Microsoft Foundry Models Yes 
SmartCallz Yes 

Pricing Details

Realtime agents are billed at the standard ElevenAgents per-minute rate plus input, cached-input, and output-token charges for the selected model. Eleven Realtime v1 Max costs more per token than Mini; rates vary by plan and model.
Free Trial No 
Free Version No 

Pricing Details

$20 per month
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person Yes 

Vendor Details

Company Name

ElevenLabs

Founded

2022

Country

United States

Website

elevenlabs.io/realtime

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com/index/introducing-gpt-realtime/

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Product Features

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