mindtype-rewrite-360m-v2 (experimental)

The rewrite model behind MindType by Mindscend: it rewrites a sentence to be more formal, friendlier, shorter, clearer, simpler, neutral, or simply rephrased. It is a LoRA fine-tune of SmolLM2-360M-Instruct, merged and quantized to GGUF (Q4_K_M, 271 MB), small enough to run on a phone or a small CPU server with llama.cpp.

Experimental: formal rewrites are usually good; "friendly" often changes little, and "shorter" sometimes drops details (for example a name). Check the result before you use it.

Prompt format (important)

The model was trained on SmolLM2's chat format including its default system prompt. Without that system prompt it produces garbage. One user turn per sentence:

<|im_start|>system
You are a helpful AI assistant named SmolLM, trained by Hugging Face<|im_end|>
<|im_start|>user
Rewrite (formal):
Hey, can we go over to Uncle's place after school?<|im_end|>
<|im_start|>assistant

Modes: formal, friendly, shorter, clearer, simpler, neutral, rephrase. Use greedy decoding. llama-server applies this template (with the system prompt) on its own for /v1/chat/completions.

Examples (held-out messages, greedy)

Input Mode Output
Hey, can we go over to Uncle's place after school? formal Hello, could we arrange to go to Uncle's residence after school?
Hey, can we go over to Uncle's place after school? shorter Can we go to Uncle's after school?
Heading to the mall, want to join? formal I am planning to visit the mall. Would you like to join?
I will bring a few boxes to donate to the food drive. Is there a specific type? friendly I'll bring a few boxes to the food drive. Is there a specific type you'd like?

Training

  • 57,829 examples: 20.8k rewrites (formal, friendly, shorter) of casual messages written by a local open-weight teacher (Qwen2.5-14B-Instruct, Apache-2.0), plus CoEdIT (Apache-2.0) for clearer, simpler, neutral and rephrase.
  • LoRA (all layers), 1 epoch, 3,615 steps at batch 16, on an Apple M4 Pro with mlx-lm; final validation loss 1.086.

Files

File What it is
model-q4_k_m.gguf merged model, GGUF Q4_K_M (llama.cpp)
training.json training settings and dataset counts
SHA256SUMS checksums

License

Apache-2.0, like the base model. Training data: teacher rewrites (Qwen2.5, Apache-2.0) and CoEdIT (Apache-2.0).

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