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RichardErkhov/
PygmalionAI_-_metharme-1.3b-gguf

Name: PygmalionAI_-_metharme-1.3b-gguf
Rating: 2.5 (157 reviews)

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metharme-1.3b - GGUF

Model creator: https://huggingface.co/PygmalionAI/
Original model: https://huggingface.co/PygmalionAI/metharme-1.3b/

Name	Quant method	Size
metharme-1.3b.Q2_K.gguf	Q2_K	0.53GB
metharme-1.3b.IQ3_XS.gguf	IQ3_XS	0.59GB
metharme-1.3b.IQ3_S.gguf	IQ3_S	0.61GB
metharme-1.3b.Q3_K_S.gguf	Q3_K_S	0.61GB
metharme-1.3b.IQ3_M.gguf	IQ3_M	0.66GB
metharme-1.3b.Q3_K.gguf	Q3_K	0.71GB
metharme-1.3b.Q3_K_M.gguf	Q3_K_M	0.71GB
metharme-1.3b.Q3_K_L.gguf	Q3_K_L	0.77GB
metharme-1.3b.IQ4_XS.gguf	IQ4_XS	0.74GB
metharme-1.3b.Q4_0.gguf	Q4_0	0.77GB
metharme-1.3b.IQ4_NL.gguf	IQ4_NL	0.78GB
metharme-1.3b.Q4_K_S.gguf	Q4_K_S	0.78GB
metharme-1.3b.Q4_K.gguf	Q4_K	0.85GB
metharme-1.3b.Q4_K_M.gguf	Q4_K_M	0.85GB
metharme-1.3b.Q4_1.gguf	Q4_1	0.85GB
metharme-1.3b.Q5_0.gguf	Q5_0	0.92GB
metharme-1.3b.Q5_K_S.gguf	Q5_K_S	0.92GB
metharme-1.3b.Q5_K.gguf	Q5_K	0.98GB
metharme-1.3b.Q5_K_M.gguf	Q5_K_M	0.98GB
metharme-1.3b.Q5_1.gguf	Q5_1	1.0GB
metharme-1.3b.Q6_K.gguf	Q6_K	1.08GB
metharme-1.3b.Q8_0.gguf	Q8_0	1.4GB

Original model description:

license: apache-2.0 language:

Metharme 1.3B

An instruction-tuned Pythia biased towards fiction writing and conversation.

Model Details

Metharme 1.3B is an instruct model based on EleutherAI's Pythia 1.4B Deduped.

This is an experiment to try and get a model that is usable for conversation, roleplaying and storywriting, but which can be guided using natural language like other instruct models. See the prompting section below for examples.

It was trained by doing supervised fine-tuning over a mixture of regular instruction data alongside roleplay, fictional stories and conversations with synthetically generated instructions attached.

Prompting

The current model version has been trained on prompts using three different roles, which are denoted by the following tokens: <|system|>, <|user|> and <|model|>.

The <|system|> prompt can be used to inject out-of-channel information behind the scenes, while the <|user|> prompt should be used to indicate user input. The <|model|> token should then be used to indicate that the model should generate a response. These tokens can happen multiple times and be chained up to form a conversation history.

Prompting example

Here's a concrete example. Let's say you have the following system prompt:

This is a text adventure game. Describe the scenario to the user and give him three options to pick from on each turn.

And the user has typed in the following message:

Start!

To perform inference against the model, the prompt should be formatted like this:

<|system|>This is a text adventure game. Describe the scenario to the user and give him three options to pick from on each turn.<|user|>Start!<|model|>

The model might generate something like:

You are standing in front of an old, abandoned house. The windows are boarded up, and there's no sign of life around it. As you approach, you notice a strange feeling emanating from within. Suddenly, you hear a voice calling out to you... 'Come inside!'

Go inside the house.

Ignore the call and move away.

Run as fast as you can.

It will automatically emit an end-of-text token (<|endoftext|>) when it judges that the response is complete.

Pretend then that the user has replied with go inside. The next prompt should then be:

<|system|>This is a text adventure game. Describe the scenario to the user and give him three options to pick from on each turn.<|user|>Start!<|model|>You are standing in front of an old, abandoned house. The windows are boarded up, and there's no sign of life around it. As you approach, you notice a strange feeling emanating from within. Suddenly, you hear a voice calling out to you... 'Come inside!'

- Go inside the house.
- Ignore the call and move away.
- Run as fast as you can.<|user|>go inside<|model|>

Which might generate something like:

You enter the house, and immediately, a wave of unsettling energy washes over you. Your senses seem heightened, but your mind feels foggy. A figure appears before you - a tall man with piercing eyes. He speaks to you in a language you don't understand.

Ask him what he wants.

Attack him.

Run away.

Same process applies. Usually, it is best to do a sliding window over the user and model turns, but keep the system prompt fixed at the start of the context window.

Evaluation Metrics

The model was evaluated using EleutherAI's lm-evaluation-harness test suite. It was evaluated on the following tasks:

Task	Version	Metric	Value		Stderr
anli_r1	0	acc	0.3430	±	0.0150
anli_r2	0	acc	0.3330	±	0.0149
anli_r3	0	acc	0.3350	±	0.0136
arc_challenge	0	acc	0.2747	±	0.0130
		acc_norm	0.3114	±	0.0135
arc_easy	0	acc	0.6237	±	0.0099
		acc_norm	0.5631	±	0.0102
boolq	1	acc	0.6214	±	0.0085
cb	1	acc	0.1964	±	0.0536
		f1	0.1712
hellaswag	0	acc	0.4295	±	0.0049
		acc_norm	0.5496	±	0.0050
openbookqa	0	acc	0.2360	±	0.0190
		acc_norm	0.3360	±	0.0211
piqa	0	acc	0.7285	±	0.0104
		acc_norm	0.7318	±	0.0103
rte	0	acc	0.5235	±	0.0301
truthfulqa_mc	1	mc1	0.2436	±	0.0150
		mc2	0.3791	±	0.0142
wic	0	acc	0.5000	±	0.0198
winogrande	0	acc	0.5675	±	0.0139
wsc	0	acc	0.3654	±	0.0474

Illustrated comparison of Metharme-1.3B's performance on benchmarks to Pygmalion-6B, Metharme-7B, and RedPajama-INCITE-Chat-3B-v1:

Limitations and biases

Due to being a smaller model than Metharme 7B and 13B, the coherency will very likely suffer.

The intended use-case for this model is fictional writing for entertainment purposes. Any other sort of usage is out of scope.

As such, it was not fine-tuned to be safe and harmless: the base model and this fine-tune have been trained on data known to contain profanity and texts that are lewd or otherwise offensive. It may produce socially unacceptable or undesirable text, even if the prompt itself does not include anything explicitly offensive. Outputs might often be factually wrong or misleading.

RichardErkhov/PygmalionAI_-_metharme-1.3b-gguf