Model Tracker
Seamless
Seamless is an AI model made by Meta. Meta released it on 30 November 2023. It is generally available. Its weights are open.
Seamless is an AI model made by Meta. Meta released it on 30 November 2023. It is generally available. Its weights are open. Its licence is Seamless Licensing Agreement.
- Released
- 30 November 2023 — ai.meta.com, read 16 October 2026
- Status
- Generally available — ai.meta.com, read 16 October 2026
- Takes
- Not confirmed: two readings disagree: audio and text, audio
- Returns
- Not confirmed: two readings disagree: audio and text, audio
- Open weights
- Yes — ai.meta.com, read 16 October 2026
- Licence
- Seamless Licensing Agreement — github.com, read 16 October 2026
- Context window
- Not confirmed: Meta's official Seamless materials do not publish a context-window figure for this model.
- Longest answer
- Not confirmed: Meta's official Seamless materials do not publish a standard maximum-output token limit for this model.
- Knowledge cutoff
- Not confirmed: Meta's official Seamless materials do not state a knowledge-cutoff date.
- API price, input
- Not confirmed: Meta's official Seamless materials do not state standard API input pricing for this model.
- API price, output
- Not confirmed: Meta's official Seamless materials do not state standard API output pricing for this model.
- Where
- Downloadable weights — ai.meta.com, read 16 October 2026
- Parameters
- Not confirmed: Meta's official materials do not publish a parameter count specifically for Seamless.
- Model card
- Not confirmed: No Seamless-specific model card is identified in Meta's official materials; the Seamless repository describes the model but does not provide a model-card URL for it.
Questions
When was Seamless released?
Meta released Seamless on 30 November 2023.
Is Seamless still available?
Yes: it is generally available, as Meta states it.
Are the weights of Seamless open?
Yes: Meta publishes the weights of Seamless for download.
What is the licence of Seamless?
The licence of Seamless is Seamless Licensing Agreement, as Meta names it.
More from Meta
- Audiobox
- AudioGen
- Chameleon
- CM3leon
- Code Llama
- DINOv2
- DINOv3
- Emu
- Emu Edit
- Emu Video
- EnCodec
- I-JEPA
- ImageBind
- LLaMA
- Llama 2
- Llama 3
- Llama 3.1
- Llama 3.2
- Llama 3.3
- Llama 4 Maverick
- Llama 4 Scout
- M2M-100
- Make-A-Video
- Movie Gen
Sources
- Seamless Communication (read 16 October 2026)
- Seamless: Multilingual Expressive and Streaming Speech Translation | Research - AI at Meta (read 16 October 2026)
- Seamless Communication Models - AI at Meta (read 16 October 2026)
- seamless_communication/README.md at main · facebookresearch/seamless_communication · GitHub (read 16 October 2026)
- seamless_communication/SEAMLESS_LICENSE at main · facebookresearch/seamless_communication · GitHub (read 16 October 2026)