Lucy 128K by Menlo

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Lucy 128K is an open-source language model by Menlo. Features: 1.7b LLM, VRAM: 3.4GB, Context: 128K, License: apache-2.0, LLM Explorer Score: 0.25.

  Arxiv:2508.00360 Base model:finetune:qwen/qwen3...   Base model:qwen/qwen3-1.7b   Conversational   En   Endpoints compatible   Qwen3   Region:us   Safetensors

Lucy 128K Benchmarks

nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").

Lucy 128K Parameters and Internals

LLM NameLucy 128K
Repository 🤗https://huggingface.co/Menlo/Lucy-128k 
Base Model(s)  Qwen/Qwen3-1.7B   Qwen/Qwen3-1.7B
Model Size1.7b
Required VRAM3.4 GB
Updated2026-06-05
MaintainerMenlo
Model Typeqwen3
Model Files  3.4 GB   0.0 GB
Supported Languagesen
Model ArchitectureQwen3ForCausalLM
Licenseapache-2.0
Context Length131072
Model Max Length131072
Transformers Version4.52.4
Tokenizer ClassQwen2Tokenizer
Padding Token<|endoftext|>
Vocabulary Size151936
Torch Data Typebfloat16
Errorsreplace

Best Alternatives to Lucy 128K

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Context / RAM
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Polaris 1.7B Preview128K / 3.4 GB418
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Qwen3 1.7B40K / 4 GB4405505475
Supertron2 1.7B40K / 3.4 GB30467
Safety Model40K / 3.4 GB11000
...up Qwen3 1.7B Datav3 Only Mask40K / 4.1 GB22560
General Knowledge Model40K / 3.4 GB8450
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15kDPO40K / 3.4 GB2710
Safety Model40K / 3.4 GB7220
Note: green Score (e.g. "73.2") means that the model is better than Menlo/Lucy-128k.

Rank the Lucy 128K Capabilities

🆘 Have you tried this model? Rate its performance. This feedback would greatly assist ML community in identifying the most suitable model for their needs. Your contribution really does make a difference! 🌟

Instruction Following and Task Automation  
Factuality and Completeness of Knowledge  
Censorship and Alignment  
Data Analysis and Insight Generation  
Text Generation  
Text Summarization and Feature Extraction  
Code Generation  
Multi-Language Support and Translation  

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Release v20260328a