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    Ultramarine 1 Flash launches via API; model weights planned for late October

    Its developer says the knowledge-work model performs similarly to Fable 5 while being 60x cheaper.

    Daanish KhaziDK
    Taylor LorenzTL
    3 Sources, 4h ago, first seen 4h ago

    TLDR

    On October 14, the team behind Ultramarine 1 Flash announced API availability and said model weights would follow in two weeks. It describes the model as open-source and claims performance similar to Fable 5 while being 60x cheaper. The team says five people post-trained it for about $300,000 all-in.

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    3 Sources, first seen 4h ago

    2.9K likes297 comments2.3K saves393 reposts

    Combined views

    451.4K

    3 Sources, first seen 4h ago

    2.9K likes297 comments2.3K saves393 reposts
    Image: @bertgodel on X

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    3 Sources

    Daanish Khazi@bertgodelWe are releasing Ultramarine 1 Flash, a frontier-class model built for knowledge work. It is open-source and achieves similar performance to Fable 5, while being 60x cheaper. It was post-trained by a team of 5 for ~$300k all-in. Available on API now, with weights releasing in 2 weeks.4h
    Taylor Lorenz@TaylorLorenzBeautiful to see more high performing open-source models hit the market1h
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    3 Sources

    Daanish Khazi@bertgodelWe are releasing Ultramarine 1 Flash, a frontier-class model built for knowledge work. It is open-source and achieves similar performance to Fable 5, while being 60x cheaper. It was post-trained by a team of 5 for ~$300k all-in. Available on API now, with weights releasing in 2 weeks.4h
    Taylor Lorenz@TaylorLorenzBeautiful to see more high performing open-source models hit the market1h
    Today's Rank

    #14

    Today's Rank

    #14