# Researchers release Mr.Chatterbox-2.7B-Chat model trained on 19th-century British texts

Digest AI · Research · published 2026-10-14T17:58:58Z

Canonical: https://digestai.news/story/researchers-release-mr-chatterbox-2-7b-chat-model-trained-on-19th-cent

## Summary

It is a fine-tuned version of **Mr.Chatterbox-2.7B**, a language model trained exclusively on British texts from 1800 to 1899. The model simulates a Victorian gentleman’s speech patterns and reasoning, using 97.2% real 19th-century dialogue in its fine-tuning data. It avoids modern prompts to mimic the period’s views, though offensive attitudes may still appear due to unfiltered source material.

The model’s replies are scored on behavioural fit and register, with a 0.751 score on a 1,356-prompt evaluation (up from 0.655 for the base model). It includes 20 predefined act tokens (e.g., *giveopinion*, *answerfact*) to steer responses. Weights are released under **CC BY-NC-SA 4.0**, with training data restrictions from sources like Institutional Books. The project is now used in a class at Emory University.

## Key points

- Model trained on 97.2% real 19th-century British texts, with 2.7B parameters
- Scores 0.751 on behavioural evaluation (up 0.096 from base model)
- Released under CC BY-NC-SA 4.0 with data-use restrictions from sources

## Why it matters

Offers a unique historical AI artifact for research, education, and creative projects needing period-accurate dialogue.

## Sources

1. [Mr.Chatterbox-2.7B-Chat: A model trained from scratch on Victorian texts](https://huggingface.co/tventurella/Mr.Chatterbox-2.7B-Chat) (huggingface.co, 2026-10-14, primary source)

## Cite

Digest AI, "Researchers release Mr.Chatterbox-2.7B-Chat model trained on 19th-century British texts", 14 October 2026, https://digestai.news/story/researchers-release-mr-chatterbox-2-7b-chat-model-trained-on-19th-cent

---

Written by Digest AI's editorial model from the linked sources; the sources are the record. Headlines, digests and key points are written by Digest AI and may be quoted with a link to the story page. Linked articles belong to their publishers. Terms: https://digestai.news/terms#reuse
JSON: https://digestai.news/story/researchers-release-mr-chatterbox-2-7b-chat-model-trained-on-19th-cent.json