Palabra

Palabra

Palabra.ai is a real-time AI speech translator that provides live audio translation, translated captions, and speech-to-speech/ speech-to-text capabilities for events, video calls, streams, and custom integrations with sub-second latency.

Palabra is voice & speech software teams evaluate for creative & design. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Free API 70/100
#75 in Voice & Speech (75 tools)
Added 1 month ago
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Quick Overview

Best for: Creative & Design

What it does

Voice & Speech software for decision-makers comparing workflow fit and alternatives.

Best fit

Creative & Design

Pricing snapshot

Free

Next step

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Palabra

Palabra.ai delivers live audio translation and captions for events, video calls, webinars, live streams and developer integrations with near-zero latency. Built on a proprietary LLM and a low-latency streaming engine, Palabra handles ASR, translation and natural TTS (including instant voice cloning) to enable two-way multilingual communication across 60+ languages. The product is aimed at event organizers, enterprises, streaming teams, and developers who need scalable, production-grade real-time translation with options for private deployments and customization.

Palabra.ai is a real-time AI speech translator that provides live audio translation, translated captions, and speech-to-speech/ speech-to-text capabilities for events, video calls, streams, and custom integrations with sub-second latency.

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Key Features

Real-time speech translation

Sub-second, simultaneous two-way speech-to-speech and speech-to-text translation for live conversations, panels, webinars and streams.

Proprietary LLM translator

Translation pipeline built on Palabra's own large language model for tighter control over quality, accuracy and customization.

60+ language support

Automatic language detection and translation across more than 60 languages, with additional languages available on request.

Ultra-low latency streaming API

Single streaming API (WebRTC/WebSocket) that handles ASR, translation and TTS for instant multilingual audio with minimal delay.

Natural TTS and voice cloning

Human-like text-to-speech output with automatic voice selection and instant speaker voice cloning to preserve vocal identity.

Custom glossaries

Business-specific glossary support to tune translations for domain vocabulary and jargon.

Speaker diarization

Automatic speaker detection and routing to improve translation accuracy and listener experience during multi-speaker events.

SRT/RTMP & streaming compatibility

Works with common streaming workflows and protocols (SRT, RTMP) and integrates with OBS, vMix, YouTube, Vimeo, Castr, Cloudflare, etc.

Deployments & security

Options for private cloud or on-premises deployments for enterprise customers, with encrypted streams and claims of not storing conversation data.

Ready-made tools

No-code, instant-setup tools for live translation in calls and streams, plus SDKs and sample code for developers.

Automatic language detection

Detects language changes in real time and switches translation accordingly to maintain conversation flow.

Human-like accuracy

Optimized to deliver translation quality comparable to professional interpreters, per Palabra's documentation and customer testimonials.

Pricing

Free Tier Available

A free trial / 'Try for free' option is offered; exact plan prices and tier details are not listed on the provided page. Contact sales for detailed pricing and enterprise quotes.

Use Cases

Video calls and remote meetings

Translate live audio for Zoom, Google Meet and Microsoft Teams without additional software, enabling multilingual team meetings and client calls.

Events & conferences

Provide real-time audio translation for in-person or hybrid conferences; attendees tune in on their devices for simultaneous interpretation.

Webinars and Q&A

Deliver simultaneous translation for presenters and audience questions without disrupting existing webinar setups.

Live streams and broadcasts

Add translated audio and captions to live streams and broadcasts via SRT/RTMP integration with OBS, vMix and streaming platforms.

Customer support & contact centers

Use speech translation to support multilingual customer interactions and partner calls, improving speed and success in non-native language situations.

Developer & product integrations

Embed Palabra's streaming API into apps (dating, social commerce, gambling, video platforms) to add real-time multilingual communication features.

Education, churches & nonprofits

Make lectures, services and nonprofit events accessible to international audiences with live audio translation and captions.

Integrations

Zoom, Google Meet, Microsoft Teams

Directly works with major video conferencing platforms to provide real-time translation without additional software.

OBS, vMix

Integrates into streaming production workflows to add translated audio and captions to live broadcasts.

YouTube, Vimeo, Castr, Cloudflare

Compatible with popular streaming platforms for adding multilingual audio and captions to live streams.

SRT / RTMP protocols

Supports industry-standard streaming protocols for easy connection to existing streaming setups.

Palabra Streaming API (WebRTC/WebSocket)

Programmatic integration option that handles ASR, translation and TTS with low latency for custom applications.

Benefits

Enables instant multilingual communication with sub-second latency for natural conversation flow
High translation quality driven by a proprietary LLM and customizable glossaries
Flexible deployment options (cloud, private region servers, on-premises) for performance and compliance
Multiple delivery modes: live audio, auto-cloned voice, and translated captions to suit audiences
Simple integration and no-code tools for quick setup alongside SDKs/APIs for deep customizations
Enterprise-grade encryption and stated policy of not storing conversation data to protect privacy

Limitations

Emotion transfer (emotion duplication in output) is listed as coming soon and is not yet available.
Detailed pricing and plan features are not published on the page; organizations must contact sales for full pricing and enterprise quotes.

Frequently Asked Questions

What is Palabra?
Palabra is an AI-powered real-time voice translator that provides live audio translation, translated captions, and developer APIs for integrating speech translation into events, calls, streams and applications.
Which platforms and apps does Palabra work with?
Palabra is compatible with major video conferencing tools (Zoom, Google Meet, Microsoft Teams) and streaming workflows (OBS, vMix) and supports SRT/RTMP for broadcasters. API/SDK options allow integration into virtually any product.
How accurate is Palabra's translation?
Palabra states their proprietary LLM and tuning options deliver human-like translation accuracy comparable to professional interpreters, with support for custom glossaries to preserve domain-specific terminology.
Is the translation instant?
Yes. Palabra advertises sub-second latency (less than one second) for simultaneous two-way automatic translation to preserve natural conversation flow.
Can I get translated captions instead of audio?
Yes. Palabra supports real-time translated captions as an alternative or complement to audio translation.
Is Palabra secure? What happens to my conversation data?
Palabra states all conversations are encrypted and that they do not store conversation data. For advanced security needs they offer private cloud or on-premises deployments.
Can I integrate Palabra into my application?
Yes. Palabra provides a streaming API and SDKs that cover the full pipeline (ASR → translation → TTS) and sample code/Quick Start guides to help developers integrate the service.

Getting Started

  1. 1 Step 1: Try for free — create an account or start the free trial from the Palabra website.
  2. 2 Step 2: Book a live demo or contact sales for an enterprise walkthrough and tailored deployment options.
  3. 3 Step 3: For developers, request a free API key and follow the Quick Start and docs to integrate the streaming API (sample SDK code available).
  4. 4 Step 4: Configure languages, custom glossaries and voice/cloning settings; deploy to your preferred environment (cloud or private server) and connect to your conferencing/streaming workflow.

Support

Email

General inquiries and sales: [email protected]

Docs

Technical documentation, Quick Start and API references are available via the Palabra website ('Read the docs').

Live demo / Sales

Book a live demo or contact sales through the website to evaluate enterprise and event use cases.

Status & Blog

Operational status and company news are published on the Palabra status and blog pages linked from the site.

API

Available: Yes
Documentation:

API documentation, Quick Start guides and SDK samples are available on the Palabra website ('Read the docs').

Rate Limits:

Not available

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