command shutdown

2025-09-15: Various older command models, a number of endpoints, all of fine-tuning Effective September 15, 2025, the following deprecations will roll out. Deprecated Models: `command-r-03-2024` (and the alias `command-r`) `command-r-plus-04-2024` (and the alias `command-r-plus`) `command-light` `command` `summarize` (Refer to [the migration guide](https://docs.cohere.com/docs/summarizing-text#migration-from-summarize-to-chat-endpoint) for alternatives). For command model replacements, we recommend you use `command-r-08-2024`, `command-r-plus-08-2024`, or `command-a-03-2025` (which is the strongest-performing model across domains) instead.