Model
Inference & Serving
Aya Expanse
1Cohere's 2open 3model 4for 523 6languages
the six Ws · specification
W1
Who
Cohere For AI (C4AI) developed Aya Expanse as an open multilingual research model family.
W2
What
Aya Expanse is an 8B and 32B parameter model optimized for high-quality generation across 23 languages.
W3
Where
Weights are hosted on Hugging Face under the CohereLabs organization.
W4
When
Released October 2024 by Cohere For AI.
W5
Why
Built to close the multilingual performance gap left by English-centric open models.
W6
With
Runs via Hugging Face transformers or Cohere's API using the open-weight checkpoints.
W7
Watch
Open weights under CC-BY-NC with an acceptable-use addendum, research and non-commercial focus; maintained by Cohere For AI.
multilingualopen-weightscross-lingualresearch-release23-languages