Compresr

Compresr is a Y Combinator-backed company that lLM context compression for better accuracy. The company participated in the Winter 2026 batch of Y Combinator.

Compresr provides an API that compresses LLM context without losing what matters. It's a drop-in for agents and RAG that cuts token costs and improves accuracy.

Compresr was part of Y Combinator's Winter 2026 cohort, has a team of approximately 4 employees, and is actively operating.