You asking how people know the models being used have changed? If you use the OpenAI APIs to access these models the specific version used is kicked back in the

You asking how people know the models being used have changed? If you use the OpenAI APIs to access these models the specific version used is kicked back in the response. Also: https://platform.openai.com/docs/models/continuous-model-upgrades https://platform.openai.com/docs/models/continuous-model-upg... I'm only speaking about OpenAI here, not Bard.