Data Scientist | Stability AI Global Negotiation Guide
Negotiation DNA: Startup Comp with UK Base + Pre-IPO Equity | $1B+ Valuation | London HQ | Open-Source Model Evaluation
| Region | Base Salary | Equity (Pre-IPO/4yr) | Bonus | Total Comp |
|---|---|---|---|---|
| London | £78K-£125K | £50K-£175K | — | £91K-£169K |
| San Francisco | $148K-$205K | $55K-$185K | — | $162K-$251K |
| Remote US | $133K-$185K | $50K-$167K | — | $145K-$226K |
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Get My Playbook — $39 →Negotiation DNA Data Scientists at Stability AI evaluate model quality, analyze community adoption metrics, and provide the quantitative insights that drive model development and product strategy. In an open-source AI company, data science has unique challenges: measuring model quality across an enormous diversity of use cases, tracking community adoption and contributor behavior, and analyzing how open-source releases drive commercial product adoption.
Level Mapping: Stability AI Data Scientist = Google L3-L4 Data Scientist = UK Data Scientist Senior
The UK Market Context Data science compensation in London's AI market is growing rapidly. Use competing offers from DeepMind, Google London, and Meta London.
Global Levers
- Model Evaluation Expertise: "Evaluating generative AI model quality requires specialized metrics and evaluation frameworks. That AI-specific data science expertise: £120K base and £170K equity/4yr."
- Open-Source Community Analytics: "Tracking adoption, contributor behavior, and community engagement for open-source AI requires unique analytical frameworks: £115K base."
- UK AI Market Benchmarks: "Data scientists at London AI companies earn £100K+ at the senior level. Stability: £120K base."
- US Remote: "For US-remote: $200K base and $180K equity/4yr."
Negotiate Up Strategy: "I'm a data scientist with AI model evaluation and community analytics expertise. Holding Google London at £100K / £170K RSU. For London: £120K base and £165K equity/4yr. US-remote: $200K base and $180K equity/4yr. Floor for London: £100K."
Evidence & Sources
- Levels.fyi UK data scientist compensation at AI companies (2025-2026)
- Glassdoor Stability AI salary reports
- Blind verified London data scientist offers (2025-2026)
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