Documentation
See the documentation for a technical overview of the platform and train your first agent
Quick Start
1. Install uv (Python package manager)
# macOS/Linux:
$ curl -LsSf https://astral.sh/uv/install.sh | sh
# Windows:
PS> powershell -c "irm https://astral.sh/uv/install.ps1 | iex"
2. Install ReinforceNow
uv init && uv venv --python 3.11
source .venv/bin/activate # Windows: .\.venv\Scripts\Activate.ps1
uv pip install rnow
3. Authenticate
rnow login
4. Create & Run Your First Project
rnow init --template sft
rnow run
That's it! Your training run will start on ReinforceNow's infrastructure. Monitor progress in the dashboard.
Core Concepts
Go from raw data to a reliable AI agent in production. ReinforceNow gives you the flexibility to define:
1. Reward Functions
Define how your model should be evaluated using the @reward decorator:
from rnow.core import reward, RewardArgs
@reward
async def accuracy(args: RewardArgs, messages: list) -> float:
"""Check if the model's answer matches ground truth."""
response = messages[-1]["content"]
expected = args.metadata["answer"]
return 1.0 if expected in response else 0.0
→ Write your first reward function
2. Tools (for Agents)
Give your model the ability to call functions during training:
from rnow.core import tool
@tool
def search(query: str, max_results: int = 5) -> dict:
"""Search the web for information."""
# Your implementation here
return {"results": [...]}
→ Train an agent with custom tools
3. Training Data
Create a train.jsonl file with your prompts and reward assignments:
{"messages": [{"role": "user", "content": "Balance the equation: Fe + O2 → Fe2O3"}], "rewards": ["accuracy"], "metadata": {"answer": "4Fe + 3O2 → 2Fe2O3"}}
{"messages": [{"role": "user", "content": "Balance the equation: H2 + O2 → H2O"}], "rewards": ["accuracy"], "metadata": {"answer": "2H2 + O2 → 2H2O"}}
{"messages": [{"role": "user", "content": "Balance the equation: N2 + H2 → NH3"}], "rewards": ["accuracy"], "metadata": {"answer": "N2 + 3H2 → 2NH3"}}
→ Learn about training data format
Contributing
We welcome contributions! ❤️ Please open an issue to discuss your ideas before submitting a PR
1 maintainer
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