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68 lines
2.4 KiB
Markdown
68 lines
2.4 KiB
Markdown
<!--Copyright 2026 The HuggingFace Team. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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specific language governing permissions and limitations under the License.
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⚠️ Note that this file is in Markdown but contain specific syntax for our doc-builder (similar to MDX) that may not be
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*This model was published in HF papers on 2024-09-05 and contributed to Hugging Face Transformers on 2026-06-22.*
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# MiniCPM3
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## Overview
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MiniCPM3 is the third-generation MiniCPM dense language model from OpenBMB. The 4B variant
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([`openbmb/MiniCPM3-4B`](https://huggingface.co/openbmb/MiniCPM3-4B)) outperforms many 7B–9B open
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models on standard benchmarks while remaining lightweight enough for on-device usage.
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MiniCPM3 combines several architectural ideas:
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- **Multi-head Latent Attention (MLA)** from DeepSeek-V2, which compresses the key/value cache
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into a low-rank latent representation while still using rotary embeddings on a portion of the
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query/key heads.
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- A standard SwiGLU MLP (no MoE).
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- Three scalar scaling factors that govern signal flow:
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- `scale_emb` — scales input embeddings.
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- `scale_depth / sqrt(num_hidden_layers)` — scales residual connections.
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- `hidden_size / dim_model_base` — scales hidden states before the language model head.
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## Usage tips
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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tokenizer = AutoTokenizer.from_pretrained("openbmb/MiniCPM3-4B")
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model = AutoModelForCausalLM.from_pretrained("openbmb/MiniCPM3-4B", device_map="auto")
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inputs = tokenizer("Hello, my name is", return_tensors="pt").to(model.device)
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outputs = model.generate(**inputs, max_new_tokens=32, do_sample=False)
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print(tokenizer.decode(outputs[0], skip_special_tokens=True))
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```
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## MiniCPM3Config
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[[autodoc]] MiniCPM3Config
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## MiniCPM3Model
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[[autodoc]] MiniCPM3Model
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- forward
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## MiniCPM3ForCausalLM
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[[autodoc]] MiniCPM3ForCausalLM
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- forward
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## MiniCPM3ForSequenceClassification
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[[autodoc]] MiniCPM3ForSequenceClassification
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- forward
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