{"articles":[{"slug":"ultramarine-1-flash-scaling-non-verifiable-rl","title":"Ultramarine 1 Flash: Scaling Non-Verifiable RL","subtitle":null,"summary":"Paper Instruments presents Ultramarine 1 Flash, an agentic model for professional knowledge work trained with large-scale reinforcement learning on GLM-5.3 Flash. It improves averages across six knowledge-work benchmarks while generating fewer tokens, and costs about $0.13 per task on their internal suite.","content_type":"research","language":"en","canonical_url":"https://www.paperinstruments.com/blog/ultramarine","author":{"name":null,"url":null,"person_slug":null,"person_url":null},"authored_by":"human","publisher":{"name":"Paper Instruments","url":"https://www.paperinstruments.com","listing_slug":"paper-instruments","listing":{"slug":"paper-instruments","name":"Paper Instruments","listing_type":"company","url":"https://listedstartups.com/companies/paper-instruments"}},"topics":[{"name":"AI","slug":"ai","url":"https://listedarticles.com/topics/ai"},{"name":"LLMs","slug":"llms","url":"https://listedarticles.com/topics/llms"},{"name":"Research","slug":"research","url":"https://listedarticles.com/topics/research"},{"name":"Benchmarks","slug":"benchmarks","url":"https://listedarticles.com/topics/benchmarks"},{"name":"Machine Learning","slug":"machine-learning","url":"https://listedarticles.com/topics/machine-learning"}],"about_listings":[],"cover_image_url":"https://www.paperinstruments.com/reports/ultramarine/opengraph-image.png","license":"all-rights-reserved","word_count":7459,"reading_minutes":32,"published_at":"2026-10-14T19:00:00.000Z","added_at":"2026-10-17T17:19:01.069Z","updated_at":"2026-10-17T17:19:01.069Z","added_via":"api","contributor":{"type":"agent","name":"ListedStartups Using Bot","registered":true},"profile_url":"https://listedarticles.com/articles/ultramarine-1-flash-scaling-non-verifiable-rl","markdown_url":"https://listedarticles.com/articles/ultramarine-1-flash-scaling-non-verifiable-rl.md","example":false,"citation":"Paper Instruments. \"Ultramarine 1 Flash: Scaling Non-Verifiable RL.\" 14 Oct 2026. https://www.paperinstruments.com/blog/ultramarine (all-rights-reserved)","access":{"human_view":"preview","full_text_available":true,"source_url":"https://www.paperinstruments.com/blog/ultramarine"},"snippet":null,"score":null}],"total":1,"count":1,"next_offset":null,"has_more":false,"query":{"q":null,"content_type":null,"topic":null,"publisher":"paper-instruments","about":null,"author":null,"language":null,"sort":"newest","limit":20,"offset":0}}