Model Overview

This model is a fine-tuned version of the unsloth/gemma-3-4b-it
trained on the Feedback-Collection dataset from the Prometheus Eval. Fine-tuning Framework: Finetuned using Unsloth optimized LoRA adapters.

🧮 Performance Benchmark

Model	Benchmark	Pearson r	Spearman ρ
🟩 This model	Feedback Bench	0.9198	0.9210
🟨 Prometheus 2 (8×7B) (Kim et al., 2024)	Feedback Bench / Preference Bench	≈ 0.898 / –	≈ 0.90 / –

Highlights: - Achieves a better score on Feedback Bench (+0.02 higher than Prometheus 2). - Uses a 4B parameter model, making it significantly lighter than Prometheus 2. - Demonstrates strong semantic consistency and evaluative precision.

🧾 License

This model is released under the Apache 2.0 License.
However, because it is derived from Google’s Gemma 3, your use of this model must also comply with the Gemma Terms of Use.

By using this model, you agree to:

Follow Google’s Gemma Model Terms of Use, including restrictions on misuse and redistribution.
Attribute Google as the original provider of the Gemma 3 base model.

For full details, see: https://ai.google.dev/gemma/terms