Hummingbird

Hummingbird is a GPT-2 derivative trained to be conversational.

Training

The model was trained using the paged_adamw_8bit optimizer, gradient checkpointing, 500 steps, 1 batch size, and 4 gradient accumulation steps.

Chat template

The Zephyr chat template was used.

Limitations

The model frequently derails in a half-sentence and tends to greet the user with complex prompts. Despite that, the model often feels natural to talk with. The model also frequently outputs incorrect information, confirmation with a larger, mature model is advised.