freesolo
freesolo is the published Python SDK for Freesolo's recording OpenAI
drop-in client and the environment and dataset contracts used by generated
repositories.
The public SDK surface includes:
freesolo.OpenAIandfreesolo.AsyncOpenAIfreesolo.environmentsfreesolo.datasets
Evaluation and internal helpers remain repository-internal workflows rather than public SDK contracts.
Install
pip install freesolo
From source:
cd freesolo-sdk
export PYTHONPATH="$PWD/pypi"
OpenAI Drop-in Client
Use OpenAI or AsyncOpenAI anywhere you would use the official Python
client. A Freesolo API key is required through FREESOLO_API_KEY or the client
options. Requests go through the Freesolo recording proxy and chat completions
are recorded by default.
from freesolo import AsyncOpenAI, OpenAI
client = OpenAI()
async_client = AsyncOpenAI()
completion = client.chat.completions.create(
model="openai/gpt-5.2",
messages=[{"role": "user", "content": "hello"}],
extra_body={"metadata": {"dataset": "support"}},
)
Set model to a deployed Freesolo model id to call that fine-tuned model with
the same API. Recording controls use the official extra_body escape hatch, so
the native OpenAI method signatures and return types remain unchanged.
completion = client.chat.completions.create(
model="adapter-123",
messages=[{"role": "user", "content": "hello"}],
extra_body={"store": False},
)
Dataset Contract
Dataset records use input and optional output.
{ "id": "example-1", "input": "Say yes.", "output": "yes" }
The SDK does not accept aliases such as prompt, query, task,
ground_truth, expected_output, or completion.
Environment Contract
Environments are Python modules that expose load_environment() and return an
EnvironmentSingleTurn or EnvironmentMultiTurn instance. Environment code
uses TaskExample.input and TaskExample.output when building prompts and
scoring responses.
Single-turn environments build their initial episode through start_episode().
The SDK prepends the supplied contract text as a system message when the
environment did not already provide one, so SFT rows and local evaluation see
the same policy prompt. Multi-turn environments own their start_episode()
implementation and should include any task-specific initial system message
there.
The SDK does not handle remote artifact publishing or resolution.
Example
from freesolo.datasets import load_dataset
from freesolo.environments import load_environment
dataset = load_dataset("support.jsonl")
environment = load_environment("freesolo/environment.py:load_environment")
print(len(dataset.examples))
print(type(environment).__name__)
API Guidance
Use freesolo.datasets for task examples and freesolo.environments for environment
loading/scoring interfaces.
- No command-line help surface is published as part of the SDK contract.
- Hidden modules remain available in source history for internal tooling only.
1 maintainer
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