Trajectory launches post-training platform with GS1 and Continual Graders research previews

simonguozirui · x · 2026-11-03

Trajectory has launched its platform for post-training your own models, letting users train, eval, and deploy trillion-parameter models with just a few agent prompts. Two research previews accompany the launch: Continual Graders (beta), which scales your taste so the model learns what 'good' looks like beyond manual grading, and GS1 (Group Size 1), a new algorithm lowering barriers to reward functions and environments. The team frames the platform as the foundation for continual learning — AI that gets smarter the more it's used.

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