We trained a large language model and had it deployed for multiple month last year (Cedille.ai, largest open source LLM for French at the time). We had multiple

We trained a large language model and had it deployed for multiple month last year (Cedille.ai, largest open source LLM for French at the time). We had multiple companies experimenting with it to use it in production. There were multiple occurrences where we got feedback about "the model having gotten significantly better". But the model in prod was never altered.