Paper Instruments launches Ultramarine 1 Flash for professional work

CEO Daanish Khazi says post-training cost about $300,000; the company's benchmarks put one task at $0.13, with model weights expected in about two weeks.

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Primary source: X

Why it matters

Paper Instruments is testing whether a small team can use reinforcement learning on an open base model to make professional-work agents cheaper to run. Its strongest cost comparison comes from an internal benchmark, so the open weights and outside evaluations will be important tests of the claim.

A blue glass form and calibration weight sit on a precision balance inside a testing lab, with the Paper Instruments logo on the glass doorway.

Paper Instruments CEO Daanish Khazi (@bertgodel) launched Ultramarine 1 Flash on October 14th, pitching it as an open model for professional work across finance, law, consulting and operations. In a thread on X, Khazi said a five-person team post-trained the model for about $300,000 and claimed it performs similarly to Anthropic's Claude Fable 5 at roughly one-sixtieth the cost.…

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