Dev RL-tunes open-weight Inkling 2 Small on Celeste, +65% on self-made bench

simonguozirui · x · 2026-11-13

A developer built "Modeline 584B A17B" on top of Thinking Machines' newly open-weight Inkling 2 Small, using the Tinker API to run RL on procedurally generated new levels of Celeste Classic. The model improved +65% on the author's own CelesteBench, and its chains of thought are reportedly fun to read. A playful demo of RL on game environments.

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