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metadata
license: apache-2.0
base_model: Qwen/Qwen3.5-2B
tags:
  - reinforcement-learning
  - grpo
  - trl
  - harbor
  - data-agent
  - agentic
pipeline_tag: text-generation
library_name: transformers

data-agent-2b-curriculum-final (v0)

A 2B data-science agent finetuned from Qwen/Qwen3.5-2B with GRPO (online RL) to solve data-analysis tasks in a sandboxed bash environment. This repo holds the final checkpoint (end of a full 1-epoch run) of the 2b-curriculum run.

Training

  • Method: GRPO (Group Relative Policy Optimization) via TRL.
  • Environment: Harbor task spec + E2B cloud sandboxes; single bash tool, answer submitted to /workdir/answer.txt.
  • Dataset: AdithyaSK/data_agent_rl_environment_train.
  • Schedule: 1 epoch (1119 steps), 8 generations/prompt, KL-anchored to the reference. Tasks were presented in a difficulty-ranked curriculum (easy→hard).
  • This checkpoint: step 1119 (final).

Evaluation

Agentic pass@k on the held-out data_agent_rl_environment_eval suite (366 tasks, 4 samples/task, unbiased estimator):

metric base (Qwen3.5-2B) this model Δ
pass@1 0.098 0.402 +0.304
pass@2 0.168 0.509 +0.341
pass@3 0.229 0.563 +0.334
pass@4 0.284 0.603 +0.319

Usage

from transformers import AutoModelForCausalLM, AutoTokenizer
m = AutoModelForCausalLM.from_pretrained("AdithyaSK/data-agent-2b-curriculum-final", revision="v0", torch_dtype="bfloat16")
tok = AutoTokenizer.from_pretrained("AdithyaSK/data-agent-2b-curriculum-final", revision="v0")

Part of the data-agent v0 release. Served non-thinking with a single bash tool (Qwen tool-calling).