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Cosine

Fully Agentic SWE

Y CombinatorWinter 2023ActiveB2BArtificial IntelligenceDeveloper ToolsGenerative AIMachine Learning

What they do

Problem

Software teams struggle to handle many engineering tickets efficiently and in parallel.

Solution

Cosine is a fully agentic software engineering system that works asynchronously across multiple tickets at once.

Who it's for

Software development teams and developers who manage engineering backlogs.

Founders

Alistair Pullen

Founder

Full-stack Software Engineer with 15 years experience with deep applied knowledge of LLMs and Embeddings. Currently building an AI dev tool. Experienced an exit with Fancy (YC S20, acq. GoPuff).

LinkedIn · X

Yang Li

Founder

1 IPO, 2 Acquisitions, 3 Unicorns. Ex VP of Europe for Digital Currency Group's consumer arm, Luno. Launched Ziglu (acquired by Robinhood) and scaled to 100,000 customers in the first year. Previously Commercial Director for Mobike (acquired by Meituan) growing it to 220M MAUs until the $55B IPO. Yang is one of the 2021 Forbes 30 under 30 cohort.

LinkedIn · X