Vai al contenuto
AI.info

Model Tracker

SAM 2

SAM 2 is an AI model made by Meta. Meta released it on 29 July 2024. It is generally available. It takes image, video and returns image. Its weights are open.

In inglese

Meta

SAM 2 is an AI model made by Meta. Meta released it on 29 July 2024. It is generally available. It takes image, video and returns image. Its weights are open. Its licence is Apache 2.0.

Released
29 July 2024 — ai.meta.com, read 16 October 2026
Status
Generally available — github.com, read 16 October 2026
Takes
Image, Video — ai.meta.com, read 16 October 2026
Returns
Image — ai.meta.com, read 16 October 2026
Open weights
Yes — ai.meta.com, read 16 October 2026
Licence
Apache 2.0 — github.com, read 16 October 2026
Context window
Not confirmed: The maker's pages do not print a context-window value for SAM 2.
Longest answer
Not confirmed: The maker's pages do not print a maximum-output token limit for SAM 2.
Knowledge cutoff
Not confirmed: The maker's pages do not state a knowledge-cutoff date for SAM 2.
API price, input
Not confirmed: The maker's pages do not publish a standard-tier API input price for SAM 2.
API price, output
Not confirmed: The maker's pages do not publish a standard-tier API output price for SAM 2.
Where
Downloadable weights — github.com, read 16 October 2026
Parameters
Not confirmed: The maker's pages list checkpoint sizes but do not identify a parameter count for SAM 2.
Model card
Not confirmed: No maker-published model card or system card for SAM 2 was identified on the maker's pages reviewed.

Questions

When was SAM 2 released?

Meta released SAM 2 on 29 July 2024.

Is SAM 2 still available?

Yes: it is generally available, as Meta states it.

Are the weights of SAM 2 open?

Yes: Meta publishes the weights of SAM 2 for download.

What is the licence of SAM 2?

The licence of SAM 2 is Apache 2.0, as Meta names it.

What does SAM 2 take and return?

SAM 2 takes image, video and returns image.

More from Meta

Sources

  1. Update: Expanding access to Meta Segment Anything 2.1 on Amazon SageMaker JumpStart (read 16 October 2026)
  2. Meta Segment Anything Model 2 (read 16 October 2026)
  3. facebookresearch/sam2 (read 16 October 2026)

All of the Model Tracker