# Command Model Nightly Available!

Nightly versions of our Common models are now available. This means that every week, you can expect the performance of command-nightly to improve as we continually retrain them.

Command-nightly will be available in two sizes - `medium` and `xlarge`. The `xlarge` model demonstrates better performance, and medium is a great option for developers who require fast response, like those building chatbots. You can find more information [here](/guides/models-the-command-family-of-models-command-beta).

If you were previously using the `command-xlarge-20221108` model, you will now be redirected to the `command-xlarge-nightly` model. Please note that access to the `command-xlarge-20221108` model will be discontinued after January 30, 2023. The `command-xlarge-nightly` model has shown enhancements in all generative tasks, and we anticipate you will notice an improvement.

## Related pages

- [Changelog](../changelog.md)
- [Cohere](../index.md)
- [Cohere API](./cohere-api-index.md)
- [Cohere Labs](./cohere-labs-index.md)
- [Cohere Platform](./cohere-platform-index.md)
- [Cookbooks](./cookbooks-index.md)
- [Deployment Options](./deployment-options-index.md)
- [Embeddings (Vectors, Search, Retrieval)](./embeddings-vectors-search-retrieval-index.md)
- [Get Started](./get-started-index.md)
- [Going to Production](./going-to-production-index.md)

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