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Model: steven0226/qwen2.5-1.5b-wordle-grpo-merged
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*.7z filter=lfs diff=lfs merge=lfs -text
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---
license: apache-2.0
base_model: Qwen/Qwen2.5-1.5B-Instruct
pipeline_tag: text-generation
tags:
- reinforcement-learning
- grpo
- agentic-rl
- multi-turn
- wordle
- merged-model
language:
- en
---
# Qwen2.5-1.5B Wordle GRPO merged full model
## Repository role
This repository contains the historical **merged full model** counterpart of the Wordle GRPO
LoRA adapter. It does not require a separately attached LoRA adapter for loading. The base
repository identity is `Qwen/Qwen2.5-1.5B-Instruct`; the current `model.safetensors` LFS SHA-256 is
`b6c55086e798e1f62e6d970f07ee97ab39c1e0af3ee4b6ecdb2a349e485087af`.
The repository relationship is supported by historical documentation, subject to the lineage
limits below. It is not a cryptographically complete adapter-to-merged derivation record.
## Evaluation
The published 463-word result originates from the adapter evaluation. No independent 463-word evaluation was run against these merged bytes, so the adapter result is not an independent replication of merged-model performance. The aggregate adapter result is included here only to
document the paired project evidence without inventing a separate merged-model result.
| Measure | Base | Tuned LoRA adapter evidence |
|---|---:|---:|
| Wins | 0/463 | 13/463 = 2.81% |
| Wilson 95% CI | 0.00%–0.82% | 1.65%–4.74% |
| Protocol adherence | 0% | 2749/2753 = 99.85% |
| Legal actions | 0% | 2748/2753 = 99.82% |
The paired discordance was 0 base-only wins and 13 tuned-only wins. The two-sided exact paired
McNemar result is `0.000244140625`; treating the interim and final evaluations as two looks gives
the conservative Bonferroni-adjusted value `0.00048828125`.
The adapter evaluation also recorded 1340/2290 absent-letter reuses and 1119/2290 broken green
positions on turns with information.
**Protocol learning succeeded; strategy learning remained limited; this is not a practical Wordle solver.** The 2.81% adapter win rate must not be presented as an independently measured
merged-model win rate, practical capability, or general RL superiority.
## Evidence links
- Immutable research/evidence source:
https://github.com/kuotunyu/agentic-rl-wordle/commit/1a077a45e309594e5bb43743a8b84d89155595d4
- Stable source release URL:
https://github.com/kuotunyu/agentic-rl-wordle/releases/tag/v1.0.0
- Aggregate report: `results/full_463_report.json`
- Recomputed analysis: `results/full_463_analysis.json`
- Public claim mapping: `docs/claim-matrix.md`
## Limitations
- Only aggregate 463-game evidence is committed; full per-episode records are unavailable.
- The historical GPU environment is not bit-for-bit reconstructable.
- The exact upstream Qwen commit was not preserved.
- The adapter-to-merged command and manifest were not preserved, and the historical record lacks
an end-to-end run→code→prompt→bundle→model cryptographic chain. The relationship is documentary lineage, not complete cryptographic proof.
- The cfreshman word lists are fetch-only and have no explicit license. Apache-2.0 does not license the cfreshman word lists.
- Representative transcripts are illustrations, not a complete raw evaluation corpus.
- No independent evaluation of these merged bytes is available; do not infer byte-level
equivalence or independently replicated performance from the documentary relationship.
## Loading
This repository is intended to load as a full causal language model and does not need a separate
PEFT adapter attachment. Because the exact historical upstream base revision and merge manifest
are unavailable, do not claim a complete cryptographic reconstruction of the merge.
```python
from transformers import AutoModelForCausalLM
model = AutoModelForCausalLM.from_pretrained(
"steven0226/qwen2.5-1.5b-wordle-grpo-merged"
)
```

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{%- if tools %}
{{- '<|im_start|>system\n' }}
{%- if messages[0]['role'] == 'system' %}
{{- messages[0]['content'] }}
{%- else %}
{{- 'You are Qwen, created by Alibaba Cloud. You are a helpful assistant.' }}
{%- endif %}
{{- "\n\n# Tools\n\nYou may call one or more functions to assist with the user query.\n\nYou are provided with function signatures within <tools></tools> XML tags:\n<tools>" }}
{%- for tool in tools %}
{{- "\n" }}
{{- tool | tojson }}
{%- endfor %}
{{- "\n</tools>\n\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\n<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call><|im_end|>\n" }}
{%- else %}
{%- if messages[0]['role'] == 'system' %}
{{- '<|im_start|>system\n' + messages[0]['content'] + '<|im_end|>\n' }}
{%- else %}
{{- '<|im_start|>system\nYou are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>\n' }}
{%- endif %}
{%- endif %}
{%- for message in messages %}
{%- if (message.role == "user") or (message.role == "system" and not loop.first) or (message.role == "assistant" and not message.tool_calls) %}
{{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>' + '\n' }}
{%- elif message.role == "assistant" %}
{{- '<|im_start|>' + message.role }}
{%- if message.content %}
{{- '\n' + message.content }}
{%- endif %}
{%- for tool_call in message.tool_calls %}
{%- if tool_call.function is defined %}
{%- set tool_call = tool_call.function %}
{%- endif %}
{{- '\n<tool_call>\n{"name": "' }}
{{- tool_call.name }}
{{- '", "arguments": ' }}
{{- tool_call.arguments | tojson }}
{{- '}\n</tool_call>' }}
{%- endfor %}
{{- '<|im_end|>\n' }}
{%- elif message.role == "tool" %}
{%- if (loop.index0 == 0) or (messages[loop.index0 - 1].role != "tool") %}
{{- '<|im_start|>user' }}
{%- endif %}
{{- '\n<tool_response>\n' }}
{{- message.content }}
{{- '\n</tool_response>' }}
{%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
{{- '<|im_end|>\n' }}
{%- endif %}
{%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
{{- '<|im_start|>assistant\n' }}
{%- endif %}

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{
"architectures": [
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"num_attention_heads": 12,
"num_hidden_layers": 28,
"num_key_value_heads": 2,
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"rms_norm_eps": 1e-06,
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"rope_type": "default"
},
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"tie_word_embeddings": true,
"transformers_version": "5.12.1",
"use_cache": true,
"use_sliding_window": false,
"vocab_size": 151936
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"transformers_version": "5.12.1"
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