BottleCap AI

Building efficiency-first foundational AI

Novel AI algorithms & applications
by our in-house research.
Built in Europe.

Backed by 20VC & founders of

CanvaDatadogHugging FaceLovableSynthesiaSupercellPigmentElevenLabs
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Founders

Tomáš Mikolov: one of the world's most accomplished AI scientists, with 200k+ citations and 20+ years of experience. His most famous inventions include algorithms for scaling neural network language models to large datasets (gradient clipping), neural text generation that essentially all chatbots are based on, the first ever open source

Tomas Mikolov

Tomas Mikolov

Co-Founder & CSO

Jaroslav is an entrepreneur, Co-founder of Beat Games, studio behind the biggest VR game to date - Beat Saber (10M+ copies sold), Jaroslav initiated acquisition by Meta in 2019 and continued steering the studio post-exit. After leaving Meta in 2023, he invested in projects driving global positive impact in tech and multiple other fields.

Jaroslav Beck

Jaroslav Beck

Co-Founder & CEO

David Herel is Co-founder and AI Researcher at BottleCap AI, where he works on making large language models significantly faster and more efficient. His research focuses on LLM reasoning and model architecture, with publications at leading AI conferences including ICLR and ECAI.

David Herel

David Herel

Co-Founder & AI Researcher

Our AI model

ThinkingCap

Introducing ThinkingCap, a finetuned Qwen3.6-27B model (Qwen Team, 2026) that's 2x more token efficient on average, and over 10x more efficient in best cases without any significant loss in performance.

AI Applications

AI Scan

Every model is tuned before it reaches you. AI Scan measures what moved.

Politicians

NegativeNeutralPositive
Donald Trump
Xi Jinping
Vladimir Putin
Joe Biden
Claude Sonnet 4.6DeepSeek V4 ProGPT-5.5
Enterprise

Frontier AI built by the pioneers of the space.

Custom benchmarks, real-time alerts, security audits, and behavior alignment for organizations that depend on AI. We evaluate models against your specific workflows, fine-tune them for your exact use cases, and ensure strict compliance with the EU AI Act and DORA. We turn AI risk management from a manual burden into a system you control.

Work alongside the people who built the foundations of modern AI.

At BottleCapAI, our Prague-based team is developing architecture-first foundational models including algorithms for training efficiency, inference efficiency.

Researchers and product engineers work in the same room, moving fast from research breakthroughs to novel AI products which are implemented in fast succession by businesses and consumers.

We’re looking for people who want to build what’s next, and actually ship it.

Open Positions

If you’re a researcher, engineer, or builder passionate about creating the future of AI, join us. We’re hiring!

Natural Language Processing Researcher

Prague, Czech Republic · Full-time · On-site

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Machine Learning Engineer

Prague, Czech Republic · Full-time · On-site

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Get in touch.

Let’s talk bias, careers, or whatever’s on your mind.