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 · 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