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Compresr

YC W26

San Francisco, US Β· Founded 2026 Β· 4 employees Β· 1 known investors

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

Founders & leadershipΒ· Y Combinator alumni (W26)

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

IZIvan Zakazov
Ivan Zakazovin𝕏Co-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.
BABerke Argin
Berke ArgininCo-founder & CAIOBerke Argin studied computer science at EPFL and previously worked at UBS. He is currently Chief AI Officer at Compresr.
KCKamel Charaf
Kamel Charafin𝕏Co-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.
OGOussama Gabouj
Oussama GaboujinCo-Founder and CTOHe previously conducted research at EPFL's DLab and AXA on machine learning systems and prompt compression techniques.

Investors Β· 1

In the news

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.
Where is Compresr headquartered?
Compresr is headquartered in San Francisco, US.