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p4b
Available on FriendliAI
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Model Details
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p4b
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Input Modalities
Output Modalities
Supported Functionality
Input:
markdown
<src>First sentence.[|1|]Second sentence.[|2|]Third.[|3|]</src><tgt>첫 문장.[|1|]두 번째 문장.[|2|]세 번째.[|3|]</tgt>
Output — cumulative SourceIndex-TargetIndex boundary pairs:
markdown
<answer>1-1, 2-2, 3-3</answer>
This is a text model. It is packaged in the Qwen3_5ForConditionalGeneration
layout (the original vision tower is bundled unused) so it loads in both Hugging Face
Transformers and vLLM; no images are involved.
bash
vllm serve p4b/qwen3.5-4b-chunky --language-model-only --mamba-cache-mode=align
--language-model-only skips the (unused) vision tower; --mamba-cache-mode=align
is required by the Qwen3.5 hybrid linear-attention layers.
python
from transformers import AutoModelForImageTextToText, AutoTokenizertok = AutoTokenizer.from_pretrained("p4b/qwen3.5-4b-chunky")model = AutoModelForImageTextToText.from_pretrained("p4b/qwen3.5-4b-chunky", device_map="auto")msgs = [{"role": "user", "content": PROMPT + text}] # text = the <src>...</tgt> blockenc = tok.apply_chat_template(msgs, add_generation_prompt=True, return_tensors="pt", return_dict=True)out = model.generate(input_ids=enc["input_ids"].to(model.device), max_new_tokens=128)print(tok.decode(out[0, enc["input_ids"].shape[1]:], skip_special_tokens=True))
Apache-2.0.