license, library_name, pipeline_tag, tags

license	library_name	pipeline_tag	tags
apache-2.0	transformers	text-generation	qwen3 reinforcement-learning grpo

qwen3-4b-tooluse-grpo

Fine-tuned from Qwen/Qwen3-4B with GRPO on the tooluse split.

Validation Performance

Metric: val-aux/tooluse/reward/mean@16 from 10-step validation logs.

best mean@16	best step	final mean@16	final step
61.31%	80	60.29%	100

step	mean@16
10	58.00%
20	60.11%
30	61.21%
40	60.11%
50	60.94%
60	59.28%
70	58.64%
80	61.31%
90	57.72%
100	60.29%

Files included with this repo:

• metrics.json: parsed validation summary
• eval_mean16.csv: step-level validation curve data
• eval_mean16.png: validation curve plot

Important: the uploaded weights are the final global_step_100/actor checkpoint. If best step is earlier than 100, the best validation point is reported for tracking, but the corresponding actor weights may not be retained locally.

Checkpoint source: /mnt/mole/SDPO/L2T/checkpoints/datasets/tooluse/qwen3gen-tooluse-GRPO-Qwen-Qwen3-4B-mbs8-train64-rollout8-lr1e-6-vllm0.8

W&B run: run-20260630_031808-osu8wla2

This upload uses global_step_100/actor converted from VERL FSDP shards to Hugging Face format.