reasoning-gym/examples/verifiers/vf_rg.py
2025-06-20 16:31:02 +01:00

36 lines
945 B
Python

"""Example training script for using the Reasoning Gym environment in verifiers."""
import verifiers as vf
from verifiers.envs.reasoninggym_env import ReasoningGymEnv
model_name = f"Qwen/Qwen2.5-1.5B-Instruct"
model, tokenizer = vf.get_model_and_tokenizer(model_name)
vf_env = ReasoningGymEnv(
gym=[
"basic_arithmetic",
"bitwise_arithmetic",
"decimal_arithmetic",
],
num_samples=100,
num_eval_samples=50,
max_concurrent=100,
)
training_args = vf.grpo_defaults(run_name="reasoning-gym-test")
training_args.num_iterations = 1
training_args.per_device_train_batch_size = 4
training_args.num_generations = 8
training_args.gradient_accumulation_steps = 4
training_args.max_prompt_length = 1024
training_args.max_completion_length = 4096
training_args.max_steps = 100
trainer = vf.GRPOTrainer(
model=model,
processing_class=tokenizer,
env=vf_env,
args=training_args,
)
trainer.train()