Cosine

Cosine is an AI Co-developer, and you can ask complex coding questions, get explanations about features, and plan new code just by asking our AI in plain English TLDR: Cosine is an AI knowledge engine that understands your codebase better than you do, currently available in the browser, and as a VS Code extension. It supports 50+ coding languages, allowing developers to ask any question about their codebase, get explanations about any feature and get suggestions about how to write new code. Try it out on an open source repo without installation on our website or install our VS Code extension!

Domain

cosine.sh

Employees

1-10

Last Funding

$0.5M

Founded

2021

Frequently Asked Questions

What technologies does Cosine use?+

Cosine uses 15 technologies including Astro, Google Analytics, Google Tag Manager.

What industry is Cosine in?+

Cosine operates in the Artificial Intelligence (AI) industry.

Where is Cosine based?+

Cosine is headquartered in United States.

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Data last updated: June 2026