Paper Instruments Releases Ultramarine 1 Flash

Paper Instruments has released Ultramarine 1 Flash, an agentic model for professional knowledge work built on GLM-5.3 Flash with large-scale RL. Its technical report details scaling non-verifiable RL via synthetic rubric tasks.

2026-10-15 ~ 2026-10-15 · 2 related posts

• Ultramarine 1 Flash: scaling RL for non-verifiable knowledge work, +4.1 pts — lmoroney · 2026-10-15
• Ultramarine 1 Flash report: rubric-based task synthesis for non-verifiable RL — lmoroney · 2026-10-15