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Model: Lambent/Qwen3-4B-Base-Continued-GRPO-Merge
Source: Original Platform

README.md

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+---
+base_model:
+- Lambent/Qwen3-4B-Base-Continued-GRPO-B
+- Lambent/Qwen3-4B-Base-Continued-GRPO
+library_name: transformers
+tags:
+- mergekit
+- merge
+license: apache-2.0
+---
+Credit to [virtuous7373](https://huggingface.co/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](https://github.com/cg123/mergekit).
+
+## Merge Details
+### Merge Method
+
+This model was merged using the [TIES](https://arxiv.org/abs/2306.01708) 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:
+
+```yaml
+# 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
+
+```