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Good Start Labs

Game-based RL environments and benchmarks

Good Start Labs builds game-like and long-horizon environments for training and benchmarking AI models. Co-founder Alex Duffy created the AI Diplomacy benchmark, which pits frontier models against each other in the strategy game Diplomacy.

AI Diplomacy benchmark

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Website	goodstartlabs.com
Domains	Games, Long Horizon
Location	Brooklyn, New York, Toronto
Team size	1-10
Funding	~$3.6M (reported)
Founders	Alex Duffy, Tyler Marques

Capability coverage

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Focus areas

Games Long Horizon

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Catalog-evidenced technical capabilities

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Capability catalog

Products and services supported by official company materials. Reviewed 2026-08-16.

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RL Environmentcompany reported

Learning Environments

Game-based environments for training model capabilities.

Commercial

Products

Data servicecompany reported

Real Human Data

Human-generated data for model training.

Commercial

Products

Evaluation Suitecompany reported

Benchmarks and Evals

Game-based model benchmarks and evaluations.

Commercial

Products

Data servicecompany reported

Data Generation

Data-generation programs built around games.

Commercial

Products

Environments & datasets

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