Cosine — Funding & Company Data
Financial overview and investor data for Cosine.
Founded
2022
Stage
Seed
Total Raised
$8M
HQ
London, UK & San Francisco, CA
Team
11-50
Model
self-serve SaaS | sales-led | usage-based | freemium
Analyst Take
Cosine's funding trajectory indicates strong early-stage investor confidence. Graduating from Y Combinator provided initial validation and a $500k Pre-Seed round in late 2022. The subsequent $2.5M Seed round in August 2024, led by established VCs, demonstrates belief in their technology, which benchmarks favorably against competitors like Cognition's Devin.
More recent reports from April 2026 cite a total of $8M raised, suggesting a significant, yet undisclosed, funding event occurred between late 2024 and early 2026. This jump from the publicly announced $3M to $8M, if accurate, signals accelerated progress and investor conviction. The investor syndicate, including Y Combinator, SOMA Capital, and Lakestar, is reputable and has a track record of backing successful software companies.
Financially, the $8M total provides a multi-year runway, assuming a team size in the 11-50 range and typical startup burn rates. This allows Cosine to focus on product development and go-to-market strategy in the highly competitive AI developer tool space. Their selection as a partner in the UK's Sovereign AI programme further validates their technology and provides significant non-dilutive value in the form of GPU resources, strengthening their competitive position.
Stability
The company appears stable and likely to be operational for the next 2+ years. Its recent funding, backing from high-quality investors, and participation in a UK government AI initiative provide a solid financial and strategic footing.
Growth
Cosine is in a high-growth phase. The company was founded in 2022, has secured multiple funding rounds, and is actively hiring and developing its product to compete with major players in the agentic AI coding space.
For Buyers
For a potential buyer, Cosine represents a well-funded and technologically validated player in the emerging AI software engineer market. The financial stability reduces the immediate risk of the tool disappearing, making it a more viable option for teams looking to integrate AI into their development workflows.
Funding Timeline
Investors: Uphonest, SOMA Capital, Lakestar, Focal
Investors: Y Combinator, John Spindler, UpHonest Capital