Best AI Tools for Translation at Events: 9 Platforms Compared in 2026
AI translation tools give event organizers another way to provide live translated captions, translated audio, or both during conferences, meetings, workshops, webinars, and hybrid events.
Many of these products look similar in a demo. The differences become clearer when you look at what translation outputs they provide, how attendees actually access them, how the technology connects to the event, how much support the vendor provides, and what happens when AI or captions are not the right fit for a particular attendee or session.
This guide is for event planners, conference producers, associations, corporate communications teams, and organizations comparing AI translation for live events.
We evaluated each platform based on translation outputs, latency, attendee access, virtual and in-person support, integrations, event support, human interpretation and accessibility options, published performance data, and pricing information where available.
These solutions are listed based on overall relevance, category fit, and market presence, not as a strict numerical ranking.
How We Evaluated These AI Translation Platforms
We reviewed public product and support documentation available as of September 2026. We only include numerical performance claims when the vendor publishes a figure, and we identify vendor-run tests as such.
Our comparison focuses on:
- Translation outputs: translated audio, captions or subtitles, transcripts, summaries, recordings, and other multilingual content
- Latency: published figures and how clearly vendors explain them
- Attendee access: browser, app, meeting platform, QR code, or another delivery method
- Event format: virtual, hybrid, and in-person support
- Technology: meeting platforms, AV systems, event software, and streaming connections
- Event support: setup, rehearsals, technical help, and live execution
Product capabilities, pricing, and licensing can change. Event teams should confirm the requirements for their specific event before contracting.
Quick Comparison of AI Translation Tools for Events
| Provider | Translation outputs | Attendee access | Event formats | What stands out | Published latency |
|---|---|---|---|---|---|
| Boostlingo Events | Translated audio, multilingual captions/subtitles, transcripts, AI summaries | Browser link or QR code on attendees’ own devices; integrated meeting-platform delivery also available | Virtual, hybrid, in-person | AI live translation, professional RSI, and ASL in one managed event platform | Near Instant |
| Interprefy | Translated audio, captions/subtitles, recordings, transcripts, AI summaries, multilingual audio and text files | Web/mobile access and integrated event or meeting environments | Virtual, hybrid, in-person | Publicly documented catalog of 80+ meeting and event system integrations | Not published |
| Wordly | Translated audio, captions/subtitles, transcripts, summaries, subtitle files, voice transcripts | Attendees’ own devices via browser or app | In-person, virtual, hybrid, webinars | AI-only live translation with reusable post-event outputs; no ASL or CART services | Not published |
| Zoom | Translated captions, spoken translation through Voice Translator | Inside Zoom | Primarily virtual meetings and webinars | Native AI translation plus a sign-language interpretation view; organizers source interpreters separately | Not published |
| Microsoft Teams | Speech-to-speech translation, translated captions, translated transcription, multilingual recap | Inside Teams | Primarily virtual meetings and events | Translation outputs integrated into Microsoft 365 and Copilot workflows | Not published |
| KUDO | Translated audio, captions, multilingual transcriptions, multilingual recordings, multilingual AI summaries | Browser, QR code and supported meeting/event environments | Meetings, conferences, virtual, hybrid, in-person | Publishes AI performance testing and generates multilingual post-meeting outputs | 4.1 sec. average in published testing |
| Interactio | Translated audio, translated captions | Smartphone Listener app and event applications | Virtual, hybrid, in-person | Smartphone delivery designed around live multilingual events | Not published |
| DeepL Voice | Voice translation, translated subtitles, downloadable transcript and translation | DeepL Voice app across Teams, Zoom and Google Meet | Online meetings; separate in-person functionality | Voice and subtitle translation tied into DeepL’s translation technology | Not published |
| Palabra.ai | Translated audio, translated captions, multilingual transcripts and summaries | Browser/QR access, APIs, meeting integrations and streaming infrastructure | In-person events, meetings, broadcasts, streams, custom apps | Developer APIs and broadcast/streaming workflows including RTMP and vMix | Under 1 sec. claimed for translation |
Who Are the Best Providers of AI Translation for Events?
1. Boostlingo Events
Boostlingo Events provides live translated audio and multilingual captions for virtual, hybrid, and in-person events. Attendees can access translation on their own devices through a secure browser link or QR code.
The platform also extends translation beyond the live session with downloadable transcripts and AI-generated summaries.
We support Zoom, Microsoft Teams, Webex, and Google Meet, including integrated workflows that can keep participants inside the meeting platform. For in-person and hybrid events, we can also work with existing venue AV or a direct audio feed. Our events team can help with setup, rehearsals, attendee instructions, and live execution.
Professional remote simultaneous interpretation (RSI) is also available for sessions where AI translation is not the right fit, including remote American Sign Language (ASL) interpretation for Deaf attendees who use sign language. AI translation and professional interpretation can be used within the same Boostlingo Events platform instead of moving those sessions to a separate language-access system.
Where It Performs Well
We built Boostlingo Events for live events rather than adding translation as a feature inside a single meeting platform.
Translation outputs include:
- Live translated audio
- Multilingual captions
- Downloadable transcripts
- AI-generated summaries
For attendees:
- Access from a phone, tablet, or laptop
- Browser link or QR code with no traditional receiver required
- Integrated delivery through major meeting platforms, including Zoom and Teams
- Remote ASL interpretation when sign-language access is required
For event teams:
- Virtual, hybrid, and in-person support
- Existing venue AV and direct audio-feed workflows
- AI live translation and professional interpretation can be used within the same event
- Custom glossaries for names, brand terms, and industry terminology
- Pre-event planning and rehearsals
- Live technical support
We report AI translation accuracy of 90% to 98%, depending on audio quality, speaker clarity, and terminology. That figure comes from our own testing, so we recommend testing the actual speakers, microphones, terminology, and venue setup before the event.
Rather than relying on a single accuracy percentage, we have also published an AI Interpreting Accuracy Study that tests AI against expert human reference translations using realistic medical audio, including background noise, interruptions, and natural speech patterns.
Across the study’s evaluation metrics, Boostlingo’s AI systems outperformed both an open-source baseline and a commercial comparison system. For example, Boostlingo Agent scored 87.3 on the GEMBA overall mean compared with 69.5 for the comparison system.
What Users Say About Boostlingo
Boostlingo has a 4.3 out of 5 rating across 108 Trustpilot reviews and a 4.5 out of 5 rating across 26 Capterra reviews.
A verified Trustpilot reviewer wrote, “Boostlingo is very easy to use. The Customer Service is great.”
A Capterra reviewer described the interface as “very intuitive.”
Those reviews cover the broader Boostlingo platform, so we treat them as evidence of usability and customer support rather than independent evaluations of AI translation quality.
Where It May Fall Short
Some competitors publicly document named connectors or protocols that our event pages do not describe as specifically, including Cvent, Encore, RTMP, vMix, and broader published integration catalogs. If one of those systems is central to your event, confirm the exact setup with our team during evaluation.
2. Interprefy
Interprefy provides AI speech translation and live captions across virtual, hybrid, and in-person events.
Its translation outputs extend beyond translated audio and captions. Through its Media Hub, event teams can also access recordings, transcripts, caption files, AI summaries, and multilingual audio and text files after an event.
Where It Performs Well
Interprefy’s output options include:
- Live translated audio
- Live captions and subtitles
- Session recordings
- Enhanced transcripts
- Caption files
- AI summaries
- Multilingual audio and text files
Its other major strength is the size of its integration catalog. The company says it works with more than 80 meeting and event systems, including conferencing platforms and on-site AV.
Its technical team also helps with configuration and testing for integrated events.
Where It May Fall Short
A large integration catalog and broad set of outputs do not answer every performance question.
Interprefy does not publish a numerical AI translation latency figure, so buyers comparing translated speech should ask about delay during evaluation.
Availability of specific post-event outputs can also depend on the event configuration, so teams should confirm what is included before the event.
3. Wordly
Wordly is an AI-focused translation platform built specifically for meetings and events.
It provides more than live translated audio and captions. Wordly also creates reusable translation assets after the event.
Where It Performs Well
Translation outputs include:
- Live translated audio
- Live captions and subtitles
- Text transcripts
- AI summaries
- Subtitle files
- Voice transcripts for multilingual audio and video workflows
Attendees can listen to translated audio, read live captions, or use both on their own devices.
Wordly’s published connections also include Cvent, Encore, common meeting platforms, and direct connections to venue audio mixers.
Where It May Fall Short
Wordly does not publish a numerical AI translation latency figure. That makes its translated audio harder to compare with KUDO and Palabra.ai using public performance data alone.
Wordly is an AI-only interpretation platform. Its own FAQ says it does not provide ASL or CART services, and its product documentation describes the service as operating without human interpreters. If a session requires professional spoken-language interpretation, ASL, or another accommodation outside Wordly’s AI and captioning model, the organizer would need a separate provider or interpretation system.
For events with mixed requirements, an organizer could use Wordly for AI translation across most sessions but still need a second solution for a session designated for professional interpretation or for an attendee who requires ASL.
4. Zoom
Zoom provides translated captions and an AI Voice Translator within Zoom Meetings.
Voice Translator takes translated captions and produces spoken translation, giving participants both text and audio translation options.
Where It Performs Well
Its main AI translation outputs are:
- Real-time translated captions
- Spoken translated audio through Voice Translator
Because both are native Zoom features, organizations already running meetings in Zoom can add translation without moving participants into another conferencing environment.
Zoom also has separate transcription, recording, and AI meeting-summary capabilities, but those are broader meeting features rather than translation outputs, so they are not treated as translation differentiators here.
Where It May Fall Short
The limitations become clearer when the requirement starts to look more like an event than a meeting.
Voice Translator requires the appropriate Live Translation or ZoomMate access along with a supported version of the Zoom desktop application.
A physical conference adds more questions: How will attendees access translation? How does the system connect to venue AV? What happens across multiple breakout spaces? What if a session needs a professional interpreter or ASL? Who handles technical issues during the event?
Zoom’s native translation features cover a narrower portion of the full event-production workflow than a dedicated multilingual event service. Zoom does support a dedicated sign-language interpretation view, but Zoom does not provide the sign-language interpreter. Hosts have to source and assign that person separately, so staffing and coordination remain outside the translation feature itself.
5. Microsoft Teams
Microsoft Teams provides several AI-generated translation outputs inside the Microsoft 365 environment.
Where It Performs Well
Translation outputs include:
- Speech-to-speech translated audio
- Live translated captions
- Live translated transcription
- Multilingual meeting recap for supported workflows
Microsoft’s Interpreter feature can generate spoken translation while attempting to preserve characteristics of the speaker’s voice.
Teams can also generate a recap in the language selected for translated captions and transcription when the required multilingual features are enabled.
That creates a more complete translation workflow than live captions alone.
Where It May Fall Short
The different outputs have different licensing and feature requirements.
Interpreter, translated captions, translated transcription, and multilingual recap are not necessarily available to every attendee under the same license.
That can work well inside a company where licenses are already provisioned but become more complicated for external conference guests, association members, customers, or other public audiences.
6. KUDO
KUDO provides AI translated audio and captions across meetings, conferences, and venue-based events.
It has also expanded into several multilingual outputs that remain useful after the live session.
Where It Performs Well
Translation outputs include:
- Live translated audio
- Live translated captions
- Multilingual meeting recordings
- Downloadable multilingual transcriptions
- Multilingual AI meeting summaries
Its automatic meeting summaries can produce structured reports in multiple languages with discussion points, action items, decisions, attendee information, and a concise summary.
KUDO also publishes more numerical performance information than most vendors in this category.
KUDO reports an average 4.1-second AI speech-to-speech delay in its published testing. The same testing produced:
- 4.1/5 average fluency
- 4.25/5 average accuracy
- Roughly 9.3 words of delay
Those figures come from KUDO’s own testing rather than an independent benchmark. KUDO also says its AI Speech Translator has received many updates since those tests and would likely produce different results today.
Where It May Fall Short
The older benchmark should not be treated as a guarantee for a current event, especially because KUDO itself says the product has changed.
Performance will also depend on the speaker, terminology, source audio, room acoustics, and connection quality.
Production teams should confirm compatibility when a specific event platform, broadcast protocol, or AV workflow is central to the setup.
7. Interactio
Interactio provides live AI translation for virtual and in-person events.
Where It Performs Well
Its documented AI translation outputs are straightforward:
- Speech-to-speech translated audio
- Speech-to-text translated captions
Attendees can receive both through their smartphones using the Interactio app.
That gives event teams a choice between an audio-first attendee experience and text captions without requiring separate translation systems.
Where It May Fall Short
Interactio does not publish a numerical AI translation latency figure in the materials reviewed for this comparison.
Its public AI translation materials also focus primarily on live translation. Teams looking specifically for translated transcripts, AI summaries, subtitle exports, or other post-event outputs should confirm whether those capabilities are available for their configuration.
8. DeepL Voice
DeepL Voice provides real-time translated speech and subtitles for online meetings.
Where It Performs Well
Translation outputs include:
- Live translated subtitles
- Voice translation
- Shareable transcript and translation after a conversation
Users can move between reading translated subtitles and listening to translated speech.
DeepL has also introduced technology designed to preserve characteristics of the speaker’s voice during voice translation.
After a supported conversation or meeting, users can preserve and share the transcript and translation for record keeping or follow-up.
Where It May Fall Short
DeepL Voice is primarily designed around multilingual business conversations rather than full conference production.
Its meeting workflow also has restrictions that matter for conference organizers, including a lack of breakout-room support in some documented configurations.
A conference spanning physical audiences, virtual attendees, and multiple sessions may therefore require more coordination.
9. Palabra.ai
Palabra.ai provides AI translation for events, meetings, broadcasts, streams, and custom technical workflows.
Where It Performs Well
Translation outputs include:
- Real-time translated audio
- Real-time translated captions
- Multiple simultaneous target-language audio and text outputs
- Multilingual transcripts
- Multilingual summaries
Attendees can open a Listener Page through a browser link or QR code and choose whether to read translated captions or listen to translated audio.
Palabra can also preserve characteristics of the speaker’s voice in the translated audio output.
Its technical stack supports APIs, SRT, RTMP, OBS, vMix, YouTube, Vimeo, and other streaming workflows, which allows translated audio and captions to feed directly into broadcasts and custom applications.
Palabra advertises translation latency under one second.
Where It May Fall Short
Palabra gives customers substantial technical control, but that can also put more implementation responsibility on the customer.
A broadcast engineering team may appreciate direct access to APIs and streaming protocols. A conference planner without those resources may prefer a provider that handles more of the event workflow around the translation technology.
Which AI Translation Solution Is Right for Your Event?
Looking beyond translated audio and captions exposes more meaningful differences between these products.
Boostlingo combines AI live translated audio, multilingual captions, transcripts, and AI summaries with professional remote simultaneous interpretation and remote ASL interpretation in the same event platform. It also supports attendee-owned device access, major meeting integrations, AV workflows, and managed event support.
Interprefy has one of the broader post-event output sets, including recordings, transcripts, caption files, summaries, and multilingual audio and text files.
Wordly similarly extends live AI translation into transcripts, summaries, subtitle files, and voice transcripts, but it does not provide ASL, CART, or human interpreters. Events needing those services require another provider or interpretation system.
KUDO combines translated audio and captions with multilingual recordings, transcriptions, and structured AI summaries.
Zoom is more focused on translated captions and spoken translation inside its own meeting environment. It also includes a sign-language interpretation view, but organizers must source and assign the interpreter separately.
Microsoft Teams adds translated transcription and multilingual recap to its live caption and speech-translation features.
Interactio’s documented AI offering is more focused on live translated audio and captions.
DeepL Voice combines translated subtitles and speech with shareable transcripts and translations.
Palabra.ai focuses on live translated audio and captions plus multilingual outputs that can feed into technical, broadcast, and streaming workflows.
Before signing with any provider, test the shortlist against the actual event setup rather than relying on a clean sales demonstration.
Questions to Ask Before Choosing an AI Event Translation Platform
A useful vendor evaluation should cover more than translation quality.
Start with the attendee experience:
- How does an attendee join?
- Does the attendee need an account or app?
- Are translated captions, audio, or both available?
- Can attendees choose between audio and text?
- What happens on a personal phone in a crowded venue?
- Can virtual and physical attendees use the same setup?
- Do any attendees need ASL, CART, or another accommodation that captions alone may not meet?
Then examine the translation system:
- Does the vendor publish latency?
- How was that number measured?
- Can custom terminology be loaded?
- How does the system handle names, numbers, accents, speaker changes, and corrections?
- What happens when the source audio is poor?
Plan for human interpretation and accessibility:
- Can the same provider support a professional interpreter if AI is not appropriate for a session?
- Does the provider supply ASL interpreters, or only support a video channel for an interpreter sourced elsewhere?
- Can AI and human interpretation be used in the same event without moving attendees to a separate platform or access method?
- If attendees use ASL, does the setup provide sign-language access rather than assuming captions meet every accessibility need?
Look at the available outputs:
- Are translated transcripts available?
- Can captions or subtitles be downloaded?
- Are multilingual AI summaries included?
- Can translated audio be downloaded or reused?
- Are recordings available with translated audio or captions?
- Can translation outputs be reused for videos, training, reporting, or other content?
Finally, evaluate event operations:
- Who configures the audio path?
- Is a rehearsal included?
- What live technical support is available?
- What happens if the feed drops?
- Does the platform connect with the exact meeting, AV, streaming, and event systems your production team uses?
A vendor can perform well in a controlled demo and still cause problems if the attendee, accessibility, or production workflow does not match the real event. To learn more about how to choose an AI translation platform, read our buyers guide for RSI and AI for events.
Planning an Event With AI Translation?
Boostlingo Events combines AI live translation with professional remote simultaneous interpretation and remote ASL interpretation for virtual, hybrid, and in-person events. Its AI translation outputs include live translated audio, multilingual captions, transcripts, and AI-generated summaries.
Attendees can access translation from their own devices, while event teams can use transcripts and summaries after the session for follow-up, reporting, and content reuse.
We can also support event setup, rehearsals, attendee workflows, AV integration, and live execution. Teams can use AI translation for some sessions and professional interpretation or ASL for others within the same events platform. Dansk IT used Boostlingo for its 2,000-person annual conference and reported costs about 90% lower than live interpreting.
Nate Klause is the Content Marketing Manager at Boostlingo, where he writes about language access, interpreting technology, AI interpreting, and healthcare language services. His work helps organizations improve communication for limited English proficient (LEP), Deaf, and Hard of Hearing communities.