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We 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.
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34 Kommentare

It is on the Pareto frontier for knowledge work and built to support AI companies servicing banks, law firms, etc.

This release is one of the largest open experiments in non-verifiable agentic RL, and we're open-sourcing our training code along with a detailed tech report.

Through prolonged training, the model learnt professional standards: visual hierarchy, straightforward prose, etc.

Ultramarine 1 Flash is a drop-in alternative to GPT & Claude for AI companies serving knowledge workers. Please visit our platform to make an API key, or download the Feather app to try it in our native knowledge work harness. We're admitting off of the waitlist on a rolling basis as we scale compute, and will tweet a link to the weights within 2 weeks.

wow that's wild. congrats!!

Congrats! Looks amazing :)

LFG

Congrats!!

“Nobody has an AI background, nobody got a PhD, nobody has worked at OpenAI.” AND about to disrupt the AI industry - thrilling.

wow, this will be my new model for hard tasks, going to try right now

Game changer

so good!

🐳🐳🐳

huge! want to get my hands on it

I will like to see how it can compete with GPT and Claude in the finance and trading niche. I hope you win over these big boys

similar to fable 5 on what though, the general benchmarks or the knowledge work tasks you actually post-trained it for

Gratz!

testing it right now! congrats on the launch Daanish 🤗

this is insane, amazing work from the team!

Post-trained by a team of 5 for $300k. That's less than most companies spend on the offsite to pick an AI strategy.

this is insane and opens so many doors, will definitely be watching

curious to see this hit wall street 👀

The top US open model ranks behind 15 Chinese models on the Artificial Analysis Intelligence Index, so this is crazy.

Yessir it’s time for america’s deepseek baby

incredible, congrats yall!

Interesting launch 🚀

this is a wild release, congrats!

Legends 💪 love seeing competition heat up

Amazing what just five people can accomplish. Congrats to the team!

this is the next level of models for sure, congrats on launch !

Cool

Damn built on glm 5.3 flash the goat

What happens when the model becomes sentient and starts making ig reels about quitting its job in IB...

Love me a no-bs no special effect launch video

