Who founded Compresr?

Compresr was founded by Ivan Zakazov, Berke Argin, Kamel Charaf, Oussama Gabouj in 2026.

Who are Compresr's investors?

Compresr's investors include Y Combinator, Exit Ventures, Nesprit.

Where is Compresr headquartered?

Compresr is headquartered in San Francisco, US.

Compresr

YC W26

San Francisco, US · Founded 2026 · 3 employees · 3 known investors

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Compresr is a prompt compression platform that reduces token usage in LLM queries by keeping relevant context and dropping irrelevant data, cutting costs and latency by up to 90%. The service works with any large language model and offers both cloud SDK and on-premises deployment options.

Also known as Cmprsr · Cmprsr, compresr

AI & Machine Learning Data & Infrastructure Developer Tools Enterprise Software SaaSUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W26)

Compresr was founded in 2026 by Ivan Zakazov, Berke Argin, Kamel Charaf, and Oussama Gabouj.

Ivan Zakazov Co-founder & CEOIvan Zakazov completed a PhD at EPFL in Switzerland focused on LLM context compression, and previously held research positions at Microsoft and Philips Research.

Berke Argin Co-founder & CAIOBerke Argin studied computer science at EPFL and previously worked at UBS. He is currently Chief AI Officer at Compresr.

Kamel Charaf Co-founder & CPOKamel Charaf holds a Master's degree in Data Science from EPFL and previously worked at Bell Labs. He is co-founder and COO of Compresr.

Oussama Gabouj Co-Founder and CTOHe previously conducted research at EPFL's DLab and AXA on machine learning systems and prompt compression techniques.

Investors · 3

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Exit Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

Nespritreported$110K – $880K

How we know: Y Combinator's founder network · Not right? Tell us

Legal entities · 1

corporate structure

Compresr Inc.

In the news

Compresr – context compression for LLM pipelines and agents 🗜️ycombinator.com · Feb 2026

Frequently asked questions

What does Compresr do?: Compresr is a prompt compression platform that reduces token usage in LLM queries by keeping relevant context and dropping irrelevant data, cutting costs and latency by up to 90%. The service works with any large language model and offers both cloud SDK and on-premises deployment options.
Who founded Compresr?: Compresr was founded by Ivan Zakazov, Berke Argin, Kamel Charaf, Oussama Gabouj in 2026.
Who are Compresr's investors?: Compresr's investors include Y Combinator, Exit Ventures, Nesprit.
Where is Compresr headquartered?: Compresr is headquartered in San Francisco, US.