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Qwen3-4B-Base-Continued-GRPO-Merge
Lambent/Qwen3-4B-Base-Continued-GRPO-Merge
Qwen3-4B-Base-Continued-GRPO-Merge is a text generation model from Lambent. Use it when you need the model to write or continue text. It is set up for transformers. The card lists the license as apache-2.0.
Credit to virtuous7373 for posting the CABS implementation used here.
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394
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4B
8.1 GB on disk
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1
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At a glance
- Task
- Text Generation
- Library
- transformers
- License
- apache-2.0
- Model type
- qwen3
- Access
- Public
- Created
- Jan 1, 2026
- Updated
- Jan 1, 2026
- SHA
- dd32a3cc
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Base models
Model card
From the Hugging Face model README
Credit to virtuous7373 for posting the CABS implementation used here.
CABS sparsified version of the original GRPO training Lambent/Qwen3-4B-Base-Continued-GRPO, merged with TIES to the Lambent/Qwen3-4B-Base-Continued-GRPO-B model.
| Task | Metric | Base | Trained | Delta |
|---|---|---|---|---|
| arc_easy | acc | 0.7891 | 0.7870 | -0.27% |
| arc_easy | acc_norm | 0.7609 | 0.7605 | -0.05% |
| lambada_openai | acc | 0.6912 | 0.6984 | +1.04% |
| lambada_openai | perplexity | 4.2433 | 4.0490 | -4.6% ↓ |
| openbookqa | acc | 0.3160 | 0.3180 | +0.63% |
| openbookqa | acc_norm | 0.4100 | 0.4120 | +0.49% |
| piqa | acc | 0.7797 | 0.7807 | +0.13% |
| piqa | acc_norm | 0.7807 | 0.7807 | +0.00% |
This is a merge of pre-trained language models created using mergekit.
Merge Details
Merge Method
This model was merged using the TIES merge method using ./merged_models/llm-judge-merged-fixed as a base.
Models Merged
The following models were included in the merge:
- ./merged_models/grpo-cabs
Configuration
The following YAML configuration was used to produce this model:
# TIES merge: Judge as base, inject sparse GRPO knowledge
merge_method: ties
base_model: ./merged_models/llm-judge-merged-fixed
models:
- model: ./merged_models/grpo-cabs
parameters:
density: 0.5
weight: 0.4
dtype: bfloat16
- Task
- Text Generation
- Library
- transformers
- Type
- qwen3
- License
- apache-2.0
- Featherless Ai
- live
- Created
- Jan 1, 2026
- Updated
- Jan 1, 2026