Commabot (https://commabot.com/) parses csv files from instructions.

The answers provided are aggregated in new csv files integrated into the conversation and downloadable.

All files, downloaded or generated, are limited to 100 MB in the free version. Once at 100 MB, each deleted file allows you to add others.

A workflow tab offers pre-configured tools oriented towards customer files / CRM.

Specify “Generate in French” in the first instruction.
LLM not specified.

Test since meteo.data.gouv.fr: https://www.data.gouv.fr/datasets/donnees-climatologiques-de-base-quotidiennes