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Seamless M4t V2 Large
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Seamless M4t V2 Large

huggingface.co·Infrastructure·🇺🇸

facebook/seamless-m4t-v2-large is Meta's large-scale multimodal translation model supporting speech and text in many languages. It can perform automatic speech recognition, speech-to-text translation, text-to-speech, and speech-to-speech translation in a single unified model. It is widely used for research and multilingual applications.

Open Source
WebCLIAPI
S
Seamless M4t V2 Large preview
Visit huggingface.co↗
⭐11.8k
stars
🍴1.2k
forks
✓4
features
📅2023
since

Overview

4 features

In the Voice, TTS & speech space, Seamless M4t V2 Large takes a focused approach. It focuses on breaking language barriers with unified speech-to-speech, speech-to-text, and text-to-speech translation. Seamless M4t V2 Large is an open-source project aimed at developers. The project is open source (Open Source). The product ships for the web, the command line, and API.

Meta AI builds and maintains Seamless M4t V2 Large, and the product first shipped in 2023. The project is developed in the open on GitHub with 11.8k stars. Among its 4 catalogued features are speech translation, automatic speech recognition, and text-to-speech.

  • ✓Speech translation
  • ✓Automatic speech recognition
  • ✓Text-to-speech
  • ✓Multilingual

Tags

speech-translationmultilingual-ttsseamless-m4tspeech-recognition

AI capabilities

AudioInference: LocalWeights: Open

Built with & integrations

Hosting
aws
AI providers
openailocal_oss
Runs on
BrowserCLIAPI-only

Trust & compliance

LicenseOpen Source
Verified signals
✓ HTTPS✓ Privacy Policy✓ Terms of Service✓ Open Source✓ Free tier✓ GitHub · ★ 11.8k
Legal
Privacy Policy →Terms of Service →

Recent events

Latest indexed changes and source events

  1. IndexedJul 19, 8:19 PM

    facebook/seamless-m4t-v2-large verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Seamless M4t V2 Large

What is Seamless M4t V2 Large?
Seamless M4t V2 Large focuses on breaking language barriers with unified speech-to-speech, speech-to-text, and text-to-speech translation. It is catalogued under Voice, TTS & speech on PulseGate.
Who should use Seamless M4t V2 Large?
Seamless M4t V2 Large is an open-source project built for developers.
Does Seamless M4t V2 Large have a free plan?
Yes — Seamless M4t V2 Large is open source under the Open Source license and free to use.
What platforms does Seamless M4t V2 Large run on?
Seamless M4t V2 Large runs on the web, the command line, and API.
Is Seamless M4t V2 Large still active?
PulseGate's liveness checks currently classify Seamless M4t V2 Large as active.
What tools are similar to Seamless M4t V2 Large?
Similar tools tracked by PulseGate include Hf Seamless M4t Medium, Mbart Large 50 One To Many Mmt, and Mms Lid 256.Hf Seamless M4t MediumMbart Large 50 One To Many MmtMms Lid 256
Who develops Seamless M4t V2 Large?
Seamless M4t V2 Large is developed by Meta AI, based in the United States.
How long has Seamless M4t V2 Large been around?
Seamless M4t V2 Large first shipped in 2023.

At a glance

Pricing
Open Source
Platforms
Cli · Web
Languages
English
Open source
Yes · ★ 11.8k
License
Open Source
First seen
Aug 26, 2023
Activity
🟢 Active
Status
🟢 Active
Built for
developers
Model
Open source
Solves
Breaking language barriers with unified speech-to-speech, speech-to-text, and text-to-speech translation.

Developer

🇺🇸Meta AI
Community-driven
↗ GitHub

Open source

View on GitHub →
⭐ Stars
11,814
🍴 Forks
1,173
Open issues
255
Last commit
3mo ago
Commits 90d
0
Contributors
38
Authorship
Community-driven
Default branch
main

Live coverage

Confidence
Medium · 70
Indexed
Jul 19, 2026
Lifecycle
Alive
Activity
Active
First seen
Aug 2023
Last seen
2d ago
Identity audit (9)
Entity ID
cmrs8ovhe02e0lrwgs2rxaai1
Slug
facebook-seamless-m4t-v2-large-huggingface-co
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 19, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 21, 2026
Canonical URL
https://huggingface.co/facebook/seamless-m4t-v2-large

Similar apps

Other apps tracked under the same category.

  • Hf Seamless M4t Medium
    huggingface.co
  • Mbart Large 50 One To Many Mmt
    huggingface.co
  • Mms Lid 256
    huggingface.co
  • Mms Tts Eng
    huggingface.co
  • Mms Lid 1024
    huggingface.co
  • Mms Lid 126
    huggingface.co