Company
Character.AI
Consumer AIPrivate CompanyMenlo Park
15/100
↘ -47.7 (7d)
Research at Character.AI
Updated Nov 6, 2026 from public research, hiring and model databases. Figures are collected automatically and reflect what each source attributes to Character.AI.
Research hiring
4 open research roles out of 13 listings on Character.AI’s job board. Most research openings: Technical Staff - ML (3), Product (1).
| Role | Team | Location |
|---|---|---|
| Staff Data Scientist, Monetization | Product | Redwood City, CA |
| Principal Research Engineer, Post-Training | Technical Staff - ML | Redwood City, CA |
| Research Engineer, AI Safety & Alignment | Technical Staff - ML | Redwood City, CA |
| Research Engineer, Post-Training (All Industry Levels) | Technical Staff - ML | Redwood City or New York City |
Source: Ashby public job board. “Research roles” are listings whose title includes research, researcher or scientist.
Model releases
3 AI models attributed to Character.AI in Epoch AI’s database, 3 of them released in the past 12 months.
| Model | Released | Domain | Access |
|---|---|---|---|
| Kaiju Large | Nov 7, 2025 | Language | Hosted access (no API) |
| Kaiju Medium | Nov 7, 2025 | Language | Hosted access (no API) |
| Kaiju Small | Nov 7, 2025 | Language | Hosted access (no API) |