Eleven Realtime

Eleven Realtime

ElevenLabs
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About

Cartesia Ink is a family of real-time streaming speech-to-text (STT) models designed to power fast, natural conversations in voice AI applications, acting as the “voice input” layer that converts spoken language into accurate text instantly. Its flagship model, Ink-Whisper, is specifically engineered for conversational environments, delivering ultra-low latency transcription with a time-to-complete-transcript as fast as 66 milliseconds, enabling fluid, human-like interactions without noticeable delays. Unlike traditional transcription systems built for batch processing, Ink is optimized for live dialogue, handling fragmented, variable-length audio through dynamic chunking, which reduces errors and improves responsiveness during pauses, interruptions, or rapid exchanges.

About

Eleven Realtime is a developer-facing speech-to-speech API for adding live voice conversations to applications and AI agents. It combines speech recognition, turn-taking, language-model reasoning, and voice generation, with Mini and Max model options for different conversational needs. Developers can use the models through the Realtime API or select them in ElevenAgents. The streaming interface is designed for interactive voice experiences, including assistants, customer support, tutors, and interactive characters. Agent configurations can include prompts, voices, tools, knowledge bases, and conversation flows. Realtime usage is billed per minute plus model input and output tokens. The product is intended for developers and organizations building real-time conversational applications and voice-enabled customer experiences.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers building real-time voice agents and conversational AI systems who need ultra-fast, accurate speech-to-text for live interactions

Audience

Developers and organizations building low-latency voice-enabled applications and AI agents, including conversational customer experiences.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$4 per month
Free Version Supported
Free Trial Supported

Pricing

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 Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Cartesia
Founded: 2023
United States
cartesia.ai/ink

Company Information

ElevenLabs
Founded: 2022
United States
elevenlabs.io/realtime

Alternatives

Cartesia Ink 2

Cartesia Ink 2

Cartesia

Alternatives

Dessa

Dessa

Block
Grok Voice 3.0

Grok Voice 3.0

SpaceXSI

Categories

AI Models Supported
AI Voice Models Supported
Speech to Text Supported

Categories

AI Voice Models Supported

Integrations

ElevenLabs Not Supported
OpenAI Not Supported
Vision Agents Supported

Integrations

ElevenLabs Supported
OpenAI Supported
Vision Agents Not Supported
Claim Cartesia Ink-Whisper and update features and information
Claim Cartesia Ink-Whisper and update features and information
Claim Eleven Realtime and update features and information
Claim Eleven Realtime and update features and information