This repository contains the official trained policies for The files are organized by task environment and training seed: The play.py script in the JoSE repository downloads a pretrained model and executes it in the corresponding environment, allowing agent behaviour to be visualized. The script is called from the repo root as follows: Seeds vary by hand and task. See the HuggingFace model directory to see which seeds are available for each task-hand combination.
Open-weight model · Reinforcement learning
ragen-frozenlake_05b_instruct_ppo100_20261018_020449
by Xiaoyou77527 xiaoyou77527/ragen-frozenlake_05b_instruct_ppo100_20261018_020449
ragen-frozenlake_05b_instruct_ppo100_20261018_020449 is an open-weight model for reinforcement learning from Xiaoyou77527, released under Apache License 2.0. Its published files total 7.6 GB.
Base model: Qwen/Qwen2.5-0.5B-Instruct. Environment: 4x4 FrozenLake, p=0.8 safe-tile probability, no slipping, grid and coordinates. PPO/GAE, no rollout filtering. at most 2 actions per turn, response limit 128 tokens.
Model Card
By Xiaoyou77527, published under apache-2.0, revision 8c3ca2d675a5.
Base model: Qwen/Qwen2.5-0.5B-Instruct. Environment: 4x4 FrozenLake, p=0.8 safe-tile probability, no slipping, grid and coordinates. PPO/GAE, no rollout filtering. at most 2 actions per turn, response limit 128 tokens. Actor LR 1e-6, critic LR 1e-5, entropy coefficient 0.001. See results/config.yaml for all settings. Validation: fixed 64 seeds (123 through 186), greedy decoding, before training and every 10 steps. Training maps start at seed 10000. One training run only. W&B: https://wandb.ai/xiaoyiwang2027-northwestern-university/ragenpilotfrozenlake/runs/8baf50af33eb Best saved TRAINED checkpoint by validation success, then reward: step0030 Each completed HF checkpoint is under…
Read Xiaoyou77527's full model card
FrozenLake PPO pilot
Base model: Qwen/Qwen2.5-0.5B-Instruct. Environment: 4x4 FrozenLake, p=0.8 safe-tile probability, no slipping, grid and coordinates. PPO/GAE, no rollout filtering. Training: 4 map groups x 8 trajectories, up to 100 updates, 5 turns, at most 2 actions per turn, response limit 128 tokens. Actor LR 1e-6, critic LR 1e-5, entropy coefficient 0.001. See results/config.yaml for all settings. Validation: fixed 64 seeds (123 through 186), greedy decoding, before training and every 10 steps. Training maps start at seed 10000. One training run only.
W&B: https://wandb.ai/xiaoyiwang2027-northwestern-university/ragen_pilot_frozenlake/runs/8baf50af33eb
Training exit code: 0 Latest logged step: 100 Best saved TRAINED checkpoint by validation success, then reward: step_0030
Each completed HF checkpoint is under checkpoints/step_NNNN/. After training/upload finishes, the selected trained checkpoint is copied to the repository root for normal from_pretrained loading. Check UPLOAD_COMPLETE.json before assuming the root model upload is complete. This is selection on the validation set, NOT a held-out test result. Step 0 is the untrained baseline; the trained checkpoint need not outperform it.
Validation observations
| Step | Success | Mean reward | Valid action rate |
|---|---|---|---|
| 0 | 0.000000 | -0.4375 | 0.125 |
| 10 | 0.093750 | 0.046875 | 0.90625 |
| 20 | 0.078125 | 0.078125 | 1.0 |
| 30 | 0.171875 | 0.171875 | 1.0 |
| 40 | 0.140625 | 0.140625 | 1.0 |
| 50 | 0.171875 | 0.171875 | 1.0 |
| 60 | 0.156250 | 0.15625 | 1.0 |
| 70 | 0.125000 | 0.125 | 1.0 |
| 80 | 0.046875 | -0.0078125 | 0.890625 |
| 90 | 0.156250 | 0.15625 | 1.0 |
| 100 | 0.140625 | 0.140625 | 1.0 |
Full decoded conversations and scores: results/validation/ and results/rollouts/. The output field contains the full dialogue; gts is null for this environment.
Identity and Version
- Repository
- xiaoyou77527/ragen-frozenlake_05b_instruct_ppo100_20261018_020449
- Publisher
- Xiaoyou77527
- Task
- Reinforcement learning
- Modality
- Control
- Library
- Not stated by the source
- Parameters
- Not stated by the source
- Languages
- en
- Revision
- 8c3ca2d675a512fb5aa065284924d9a8221c5c96
- First published
- 2026-10-18
- Last updated
- 2026-10-18
Files and Weights
155 files, 7.6 GB in total. The weights are 3 files totalling 7.6 GB in safetensors.
Every file
| File | Type | Size | SHA-256 |
|---|---|---|---|
| checkpoints/step_0010/model.safetensors | Weights | 2.5 GB | e63bb473dc0c |
| checkpoints/step_0020/model.safetensors | Weights | 2.5 GB | b9b9e9702ee4 |
| checkpoints/step_0030/model.safetensors | Weights | 2.5 GB | 4f431b69c413 |
| checkpoints/step_0010/added_tokens.json | Configuration | 605 B | — |
| checkpoints/step_0010/config.json | Configuration | 1.2 KB | — |
| checkpoints/step_0010/generation_config.json | Configuration | 242 B | — |
| checkpoints/step_0010/special_tokens_map.json | Configuration | 613 B | — |
| checkpoints/step_0020/added_tokens.json | Configuration | 605 B | — |
| checkpoints/step_0020/config.json | Configuration | 1.2 KB | — |
| checkpoints/step_0020/generation_config.json | Configuration | 242 B | — |
| checkpoints/step_0020/special_tokens_map.json | Configuration | 613 B | — |
| checkpoints/step_0030/added_tokens.json | Configuration | 605 B | — |
| checkpoints/step_0030/config.json | Configuration | 1.2 KB | — |
| checkpoints/step_0030/generation_config.json | Configuration | 242 B | — |
| checkpoints/step_0030/special_tokens_map.json | Configuration | 613 B | — |
| results/config.yaml | Configuration | 33.2 KB | — |
| results/launch_command.json | Configuration | 183 B | — |
| results/report/summary.json | Configuration | 1.4 KB | — |
| results/reproducibility/versions.json | Configuration | 258 B | — |
| results/run_meta.json | Configuration | 845 B | — |
| README.md | Documentation | 2.0 KB | — |
| results/report/README.md | Documentation | 2.0 KB | — |
| checkpoints/step_0010/chat_template.jinja | Other | 2.5 KB | — |
| checkpoints/step_0020/chat_template.jinja | Other | 2.5 KB | — |
| checkpoints/step_0030/chat_template.jinja | Other | 2.5 KB | — |
| results/exit_code.txt | Other | 2 B | — |
| results/report/metrics.csv | Other | 142.5 KB | — |
| results/reproducibility/logging_fixes.patch | Other | 1.7 KB | — |
| results/reproducibility/ragen_commit.txt | Other | 41 B | — |
| results/reproducibility/verl_commit.txt | Other | 41 B | — |
| results/rollouts/1.jsonl | Other | 115.3 KB | — |
| results/rollouts/10.jsonl | Other | 132.8 KB | — |
| results/rollouts/100.jsonl | Other | 63.2 KB | — |
| results/rollouts/11.jsonl | Other | 129.6 KB | — |
| results/rollouts/12.jsonl | Other | 132.8 KB | — |
| results/rollouts/13.jsonl | Other | 122.5 KB | — |
| results/rollouts/14.jsonl | Other | 118.0 KB | — |
| results/rollouts/15.jsonl | Other | 105.1 KB | — |
| results/rollouts/16.jsonl | Other | 110.2 KB | — |
| results/rollouts/17.jsonl | Other | 96.0 KB | — |
| results/rollouts/18.jsonl | Other | 97.3 KB | — |
| results/rollouts/19.jsonl | Other | 102.6 KB | — |
| results/rollouts/2.jsonl | Other | 129.3 KB | — |
| results/rollouts/20.jsonl | Other | 97.2 KB | — |
| results/rollouts/21.jsonl | Other | 99.4 KB | — |
| results/rollouts/22.jsonl | Other | 83.9 KB | — |
| results/rollouts/23.jsonl | Other | 110.2 KB | — |
| results/rollouts/24.jsonl | Other | 97.4 KB | — |
| results/rollouts/25.jsonl | Other | 100.5 KB | — |
| results/rollouts/26.jsonl | Other | 80.3 KB | — |
| results/rollouts/27.jsonl | Other | 91.9 KB | — |
| results/rollouts/28.jsonl | Other | 71.9 KB | — |
| results/rollouts/29.jsonl | Other | 55.2 KB | — |
| results/rollouts/3.jsonl | Other | 126.0 KB | — |
| results/rollouts/30.jsonl | Other | 89.3 KB | — |
| results/rollouts/31.jsonl | Other | 81.2 KB | — |
| results/rollouts/32.jsonl | Other | 82.7 KB | — |
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| results/rollouts/38.jsonl | Other | 66.8 KB | — |
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| results/rollouts/4.jsonl | Other | 133.4 KB | — |
| results/rollouts/40.jsonl | Other | 57.3 KB | — |
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| results/rollouts/48.jsonl | Other | 75.5 KB | — |
| results/rollouts/49.jsonl | Other | 60.7 KB | — |
| results/rollouts/5.jsonl | Other | 123.2 KB | — |
| results/rollouts/50.jsonl | Other | 69.0 KB | — |
| results/rollouts/51.jsonl | Other | 66.1 KB | — |
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| results/rollouts/53.jsonl | Other | 75.9 KB | — |
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| results/rollouts/55.jsonl | Other | 76.7 KB | — |
| results/rollouts/56.jsonl | Other | 73.6 KB | — |
| results/rollouts/57.jsonl | Other | 63.2 KB | — |
| results/rollouts/58.jsonl | Other | 70.8 KB | — |
| results/rollouts/59.jsonl | Other | 65.2 KB | — |
| results/rollouts/6.jsonl | Other | 127.6 KB | — |
| results/rollouts/60.jsonl | Other | 58.4 KB | — |
| results/rollouts/61.jsonl | Other | 55.7 KB | — |
| results/rollouts/62.jsonl | Other | 80.4 KB | — |
| results/rollouts/63.jsonl | Other | 83.1 KB | — |
| results/rollouts/64.jsonl | Other | 97.7 KB | — |
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| results/rollouts/66.jsonl | Other | 65.9 KB | — |
| results/rollouts/67.jsonl | Other | 84.6 KB | — |
| results/rollouts/68.jsonl | Other | 73.5 KB | — |
| results/rollouts/69.jsonl | Other | 74.0 KB | — |
| results/rollouts/7.jsonl | Other | 129.3 KB | — |
| results/rollouts/70.jsonl | Other | 76.0 KB | — |
| results/rollouts/71.jsonl | Other | 75.5 KB | — |
| results/rollouts/72.jsonl | Other | 70.7 KB | — |
| results/rollouts/73.jsonl | Other | 62.2 KB | — |
| results/rollouts/74.jsonl | Other | 78.8 KB | — |
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| results/rollouts/76.jsonl | Other | 64.7 KB | — |
| results/rollouts/77.jsonl | Other | 64.6 KB | — |
| results/rollouts/78.jsonl | Other | 73.6 KB | — |
| results/rollouts/79.jsonl | Other | 74.1 KB | — |
| results/rollouts/8.jsonl | Other | 125.7 KB | — |
| results/rollouts/80.jsonl | Other | 88.9 KB | — |
| results/rollouts/81.jsonl | Other | 99.8 KB | — |
| results/rollouts/82.jsonl | Other | 101.8 KB | — |
| results/rollouts/83.jsonl | Other | 84.6 KB | — |
| results/rollouts/84.jsonl | Other | 60.7 KB | — |
| results/rollouts/85.jsonl | Other | 96.5 KB | — |
| results/rollouts/86.jsonl | Other | 95.7 KB | — |
| results/rollouts/87.jsonl | Other | 62.6 KB | — |
| results/rollouts/88.jsonl | Other | 89.0 KB | — |
| results/rollouts/89.jsonl | Other | 91.3 KB | — |
| results/rollouts/9.jsonl | Other | 135.7 KB | — |
| results/rollouts/90.jsonl | Other | 67.7 KB | — |
| results/rollouts/91.jsonl | Other | 74.3 KB | — |
| results/rollouts/92.jsonl | Other | 78.3 KB | — |
| results/rollouts/93.jsonl | Other | 74.9 KB | — |
| results/rollouts/94.jsonl | Other | 84.1 KB | — |
| results/rollouts/95.jsonl | Other | 88.5 KB | — |
| results/rollouts/96.jsonl | Other | 69.1 KB | — |
| results/rollouts/97.jsonl | Other | 78.8 KB | — |
| results/rollouts/98.jsonl | Other | 59.4 KB | — |
| results/rollouts/99.jsonl | Other | 56.5 KB | — |
| results/train.log | Other | 670.5 KB | — |
| results/validation/0.jsonl | Other | 207.3 KB | — |
| results/validation/10.jsonl | Other | 175.8 KB | — |
| results/validation/100.jsonl | Other | 145.4 KB | — |
| results/validation/20.jsonl | Other | 166.5 KB | — |
| results/validation/30.jsonl | Other | 146.0 KB | — |
| results/validation/40.jsonl | Other | 144.8 KB | — |
| results/validation/50.jsonl | Other | 141.1 KB | — |
| results/validation/60.jsonl | Other | 144.5 KB | — |
| results/validation/70.jsonl | Other | 154.8 KB | — |
| results/validation/80.jsonl | Other | 183.9 KB | — |
| results/validation/90.jsonl | Other | 144.5 KB | — |
| .gitattributes | Repository | 1.7 KB | — |
| checkpoints/step_0010/merges.txt | Tokenizer | 1.7 MB | — |
| checkpoints/step_0010/tokenizer.json | Tokenizer | 11.4 MB | 9c5ae00e602b |
| checkpoints/step_0010/tokenizer_config.json | Tokenizer | 4.7 KB | — |
| checkpoints/step_0010/vocab.json | Tokenizer | 2.8 MB | — |
| checkpoints/step_0020/merges.txt | Tokenizer | 1.7 MB | — |
| checkpoints/step_0020/tokenizer.json | Tokenizer | 11.4 MB | 9c5ae00e602b |
| checkpoints/step_0020/tokenizer_config.json | Tokenizer | 4.7 KB | — |
| checkpoints/step_0020/vocab.json | Tokenizer | 2.8 MB | — |
| checkpoints/step_0030/merges.txt | Tokenizer | 1.7 MB | — |
| checkpoints/step_0030/tokenizer.json | Tokenizer | 11.4 MB | 9c5ae00e602b |
| checkpoints/step_0030/tokenizer_config.json | Tokenizer | 4.7 KB | — |
| checkpoints/step_0030/vocab.json | Tokenizer | 2.8 MB | — |
License and Download
- License
- apache-2.0
- Access
- Open weights, no gate
- Download size
- 7.6 GB
Released by Xiaoyou77527 through its official repository on Hugging Face. Read the license.
Built From
- Derived from Qwen/Qwen2.5-0.5B-Instruct
Memory Requirements
| Precision | Weights in memory |
|---|---|
| As published | 7.6 GB |
Weights only, from the published parameter count; the key-value cache and runtime add to this.
Questions About ragen-frozenlake_05b_instruct_ppo100_20261018_020449
Can I use ragen-frozenlake_05b_instruct_ppo100_20261018_020449 commercially?
Yes. ragen-frozenlake_05b_instruct_ppo100_20261018_020449 is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.
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