03

Good Start Labs

game environments for frontier labs

Domains
Long Horizon · Open-Source
·
Founded
Est. 2024
·
HQ
San Francisco, USA
·
Funding
Seed (Inovia Capital)
·
Open source
Open-source
·
LinkedIn
LinkedIn · 1k

§ Positioning

Unique game-based environment approach - surfaces human preference and strategy signals at scale through gameplay, including public leaderboards for model comparison.

Best for · Labs wanting long-horizon, human-aligned environments with built-in data generation via gameplay.

Team · Founded by Alex Duffy and Tyler Marques (built AI Diplomacy); backed by Inovia Capital and Amazon Robotics.

Focus · Builds gaming environments and partners with existing games so players naturally generate RL training and evaluation data for frontier AI models.

Notable customers · Frontier labs (per company)

Score breakdown

§ Rubric applied · Open segment

Growth & momentum · weight 50%6.0 / 10
Traction & credibility · weight 35%6.5 / 10
Accessibility · weight 15%7.0 / 10