architectures · google

Switch Transformer

Sparsely-activated mixture-of-experts with top-1 routing (Fedus et al., 2021). Scaled to 1.6T parameters at constant FLOPs/token.

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What this registry has checked

Quarantine. We hold the publisher’s own published hash for these weights and have recorded it against this entry. We have not downloaded and hashed the weights ourselves, so the hash is the publisher’s claim, not our measurement.

Weight file SHA-256	bf9cd21d7a7afdfffc44c17ce7a6b7e32941b4ba7700d868540488e037251ade

Re-check this yourself → Source → Full record →

What is recorded

Publisher	google
Origin	United States
Licence	Apache-2.0
Pulls recorded here	27,601

Elsewhere in the registry

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Registry record as of 2026-06-06. Identity, licence and parameter count are properties of a release and do not move; tier can, and the verify link above re-checks it against the live registry rather than this page.