craftaxlm 0.0.21

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Craftax LM

A wrapper around the Craftax agent benchmark, for evaluating digital agents over extremely long time horizons.

Usage

First, download the package with pip install craftaxlm. Next, import the agent-computer interface of your choice via

from craftaxlm import CraftaxACI, CraftaxClassicACI

This package is early in development, so for implementation examples, please refer to the baseline ReAct implementation

Leaderboard

In order to make experiments reasonable to run across a range of LMs, currently the leaderboard evaluates agents in the following manner:

1. Five rollouts are sampled from the agent, with a hard cap of 300 actions per rollout.
2. The agent is evaluated using a modified version of the original Crafter score -

   sum(ln(1 + P(1_achievement_obtained)) for achievement in achievements) / (sum(ln(2) * len(achievements)))
   

   where P(1_achievement_obtained) is the probability of the achievement being obtained in a single rollout. The key idea is that incremental progress towards difficult achievements ought to weigh more heavily in the score.

Craftax-Classic

LM	Algorithm	Score (% max)	Code
gpt-4o	ReAct	29.6	CraftaxLM_Baselines
gpt-4o-mini	ReAct	18.4	CraftaxLM_Baselines

Craftax-Full

LM	Algorithm	Score (% max)	Code
gpt-4o-mini	ReAct	02.9	CraftaxLM_Baselines

Dev Instructions

pyenv virtualenv craftax_env
poetry install

When in doubt

from jax import debug
...
debug.breakpoint()

📚 Citation

To learn more about Craftax, check out the paper website here. To cite the underlying Craftax environment, see:

@inproceedings{matthews2024craftax,
    author={Michael Matthews and Michael Beukman and Benjamin Ellis and Mikayel Samvelyan and Matthew Jackson and Samuel Coward and Jakob Foerster},
    title = {Craftax: A Lightning-Fast Benchmark for Open-Ended Reinforcement Learning},
    booktitle = {International Conference on Machine Learning ({ICML})},
    year = {2024}
}

To cite the Crafter benchmark, see:

@article{hafner2021crafter,
  title={Benchmarking the Spectrum of Agent Capabilities},
  author={Danijar Hafner},
  year={2021},
  journal={arXiv preprint arXiv:2109.06780},
}

Contributing

Setup

uv venv craftaxlm-dev
source craftaxlm-dev/bin/activate
uv sync
uv run ruff format .

Help Wanted

• General code quality suggestions or improvements. Especially those that improve speed or reduce tokens.
• PRs to fix issues or add afforances that help your LM agent perform well
• Leaderboard submissions that demonstrate improved performance using algorithms for learning from data