×
BottleCap AI
Efficiency-Focused LLMs
Last verified August 15, 2026 · Updated daily
What BottleCap AI is building
BottleCap AI is building architecture-first, efficiency-focused foundational large language models and then immediately turning that research into commercial applications. Their first model is called CAP1, which already powers their first consumer app, Pulse, a community news aggregator on iOS. The stated goal is to improve LLM efficiency by 100x compared to current industry models. Rather than scaling compute endlessly like OpenAI or Google, they are moving beyond the transformer architecture entirely to find new approaches that reason better per unit of compute. They're also setting up an app development studio to commercialise the research, meaning B2B AI tools built on their own models are coming.
Why this matters
The name BottleCap is a deliberate joke about European tech being a tethered bottle cap compared to SpaceX rockets. The team is not joking about anything else. Tomas Mikolov invented Word2Vec, one of the most cited papers in the history of AI and literally co-invented the concept that made modern language models possible. Jaroslav Beck sold Beat Saber to Meta for a reported $40M+ in 2019. These are not first-time founders experimenting with a trend. The angel investor list reads like an AI founder hall of fame. Every single person on that cap table is a builder, not just a cheque writer. For a job seeker: getting in here early is like getting into ElevenLabs or Lovable before anyone knew what they were.
Open roles at BottleCap AI
3 positions we're tracking. Roles are re-checked daily and removed when filled.
Hiring outlook
10-person team with $7.5M and app studio buildout means hiring across research and product fast
Working at BottleCap AI
BottleCap AI: Efficiency-Focused LLMs. Founded , currently employees. What this means for you: opportunity to shape your role based on the company stage.
Most BottleCap AI jobs are based in Prague, Czech Republic.
Frequently asked questions
How many jobs does BottleCap AI have open?
BottleCap AI currently has 3 open roles, last verified February 2025.
Does BottleCap AI hire remotely?
All current BottleCap AI roles are based in Prague, Czech Republic.
What roles is BottleCap AI hiring for?
BottleCap AI is hiring across Engineering, Marketing. The most recent opening is Developer Relations / Community.
How do I apply for a job at BottleCap AI?
Apply directly through the links above, or read our guide on how to actually get hired at BottleCap AI.
Where is BottleCap AI based?
BottleCap AI is headquartered in Prague, Czech Republic.
Get BottleCap AI roles before they're posted
Get AI jobs like these before they hit LinkedIn. We track companies like BottleCap AI daily.
Get early access →