Frontier intelligence, made abundant.
Custom-built AI for over 130 job functions across business, finance, consulting, legal, and operations.Powered by Ultramarine 1 Flash, more than 10 times cheaper than frontier LLMs.
Works in your folders, locally or on the cloud.
Makes and edits your files.
Custom agents for every industry
Modes are role-specific versions of the agent, each equipped with custom playbooks, tools, and connections.
A custom agent for your industry role.
See example: Accounting & CloseCustom skills
Tools
Connectors
Office skills
Style & Design
Over 130 industry roles covered
There are more than 130 modes, covering roles from accounting to nonprofits. Click any of them to see it in detail.
- Agency Account Management
- Commercial Real Estate Brokerage
- Deal Strategy & Value Creation
- External Audit
- Forensic Accounting & Investigations
- Investment Banking
- Management Consulting
- Operations & Transformation Consulting
- People & Organization Consulting
- Private Credit
- Private Equity
- Public Markets Research & Investing
- Real Estate Investment & Asset Management
- Restructuring & Turnaround
- Strategy Consulting
- Technology Consulting
- Transaction Advisory & Valuation
- Venture & Growth Equity
- Accounting & Close
- Accounts Payable
- AR, Billing & Collections
- Bookkeeping
- Corporate Development
- Credit & Housing Counseling
- Financial Planning & Wealth Management
- FP&A
- Fund Accounting
- Internal Audit
- Investment Operations & Performance
- Mortgage & Consumer Lending
- P&C Claims
- Payroll
- Quantitative Research
- Real Estate Appraisal
- Risk & Insurance Management
- Small-Organization Finance
- Tax
- Treasury & Capital
- Bankruptcy & Creditors' Rights
- Civil Litigation
- Compliance & Ethics
- Contract Management
- Corporate & Securities Law
- Criminal Law
- Employment & Labor Law
- Family Law
- Immigration Law
- In-house Counsel
- IP & Patent Practice
- Legal Operations
- Litigation Support & E-discovery
- Operational & Enterprise Risk
- Personal Injury (plaintiff)
- Privacy & AI Governance
- Real Estate Law
- Solo & Small-firm General Practice
- Title & Escrow
- Trusts & Estates
- Construction Project Management
- Cost Estimating
- Environment, Health & Safety (EHS)
- Lease Administration
- Logistics & Transportation
- Maintenance & Reliability
- Manufacturing & Industrial Engineering
- Plant & Production Operations
- Procurement & Sourcing
- Project & Program Management
- Project Controls & Scheduling
- Property Management
- Quality Engineering & Assurance
- Restaurant & Hospitality Operations
- Supply Chain Planning
- Sustainability & ESG
- Trade Compliance & Customs
- Warehouse & Distribution Operations
- Communications
- CPG Key Accounts & Category Management
- Customer Implementation
- Customer Success
- E-commerce & Marketplaces
- Insurance Agency & Brokerage
- Investor Relations
- Market Research & Insights
- Marketing
- Pricing
- Proposals & Bids
- Residential Real Estate
- Retail Merchandising
- Revenue Operations
- Sales
- Administrative & Executive Support
- Compensation & Benefits
- Corporate Governance
- Employee & Labor Relations
- Event & Meeting Planning
- Facilities & Workplace Management
- General & Operations Management
- HR Systems & People Analytics
- Human Resources
- Learning & Development
- Office Management
- Recruiting
- Small Business Owner
- Startup Founder
- Strategy & Planning
- Foundation Grantmaking
- Fundraising & Development
- Grants & Sponsored Programs
- University Faculty & Academic Research
- Medical Writing
- Nonprofit & Human Services Programs
- Nonprofit Executive Director
- Program Evaluation & MEL
- Analytics & Data Science
- Architecture & Interiors
- Business & Systems Analysis
- Civil & Building Engineering
- Economic Analysis
- Environmental Science & Consulting
- Film, Video & Podcast Production
- IT Operations & Management
- Operations Research
- Product & Systems Engineering
- Product Management
- Scientific Research & Labs
- Security & GRC
- Statistics & Survey Research
- Technical Writing
- UX Research & Product Design
- Writing, Editing & Journalism
Teams in healthcare, government, institutional finance and others can talk to us about Ultramarine Work for teams.
Over 50 connectors out-of-the-box
Turn on the connectors you want, and the agent can read your mail, files and records when a request needs them.
Outlook
Gmail
Google Calendar
SharePoint & OneDrive
Excel
Google Drive
Google Docs
Google Sheets
Google Slides
Dropbox
Box
Figma
iManageSlack
Microsoft Teams
Zoom
Granola
Notion
Confluence
Salesforce
HubSpot
Attio
Lightfield
Zendesk
Asana
Airtable
Jira
GitHub
BigQuery
Google Analytics
Databricks
SurveyMonkey
Mitti
MaintainXQuickBooks
Stripe
Harvest
Ramp
Mercury
Carta
Avalara
S&P Capital IQGreenhouse
BambooHRWorkday
GustoVanta
LinkedIn
- Additional custom connectors
Ultramarine 1 Flash
A complete knowledge work benchmark task costs about $0.13 on Ultramarine 1 Flash. The same task costs $1.26 on GPT-6 Sol and $6.96 on Claude Opus 5.5, with comparable performance.
Ultramarine 1 Flash59.3
GPT-6 Sol61.4
GPT-5.6 Sol55.1
Claude Opus 5.561.9
Claude Fable 557.8
Claude Fable 5.165.5
Research
We publish open research on training large language models for agentic use cases.
- Drift and Distance: When Is Score Centering Enough in Async RL?Score centering removes drift in async RL. What remains is distance: how far the trainer moves from the sampler before fresh data arrives.
- Ultramarine 1 Flash: Scaling Non-Verifiable RLUltramarine 1 Flash: Scaling Non-Verifiable RL across Finance, Law, Consulting, and Operations
- Introducing Paper OfficeAgent-first Python packages for editing Word documents, PowerPoint presentations, and Excel workbooks.
More research
- DiligenceBench: An Equity-Research Agent EvaluationAn agent-first benchmark for evaluating long-form equity research.
- Notes on Choosing a Rubric JudgeExperiments in rubric grading
- Kos-1 Experimental: Env-Free RL on a 1T Parameter Agentic PriorScaling medical RL to Kimi K2.5.
- Kos-1 Lite: SOTA Medical ModelIntroducing Kos-1 Lite, our state-of-the-art medical model.
- Paper Instruments x Perplexity: DRACOOur work with Perplexity to create frontier evaluations for Advanced Deep Research.
- Mismatch Praxis: Rollout Settings and IS CorrectionsNotes on solving training/inference mismatch.
For centuries, ultramarine was the most precious color in the world. It was ground from lapis lazuli carried out of the Afghan mountains and cost more than gold. In 1824 a French society offered a prize to anyone who could make it. Guimet won with a synthetic version, and it became abundant.
Ultramarine Work is built for every industry