Cosine Alternatives & Competitors

12 companies similar to Cosine — The AI coding agent built for engineers with taste

Tempo Labs (YC S23)

A Visual Editor for React, Powered by AI

20 Pre Seed

Toronto, Canada

AI B2B +1

Chromatic

Build UIs without all the grunt work - makers of Storybook.

72 Seed

San Francisco, United Sta...

Design DevOps +2

Qodo

AI-powered interactive code integrity dev tool enabling developers to ship software faster...

146 Seed $10.60M

New York, United States

AI Internet +1

Ellipsis (YC W24)

Automatically review code and fix bugs with AI

1 Seed $130.00K

New York, United States

AI Developer Tools

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Tabnine

Empowering software developers with AI for code

84 Series B $54.85M

Israel

AI Developer Tools +2

Postman

Postman is the world's leading API platform trusted by 40 million users.

3563 Series D $434.00M

San Francisco, United Sta...

API Developer Tools +2

Kombai

Your AI design engineer with built-in taste.

21 Seed $4.50M

San Francisco, United Sta...

AI Developer Tools +1

Langbase

⌘ Langbase – Serverless AI developer cloud. Ship AI agent pipes with agentic memory, tools...

9 Seed

San Francisco, United Sta...

Developer Tools

FileMap

Collaborative Digital Workspace for Creatives

San Francisco, United Sta...

Productivity

Freeplay

The ops platform for AI engineering teams.

17 Unknown $8.85M

Boulder, United States

AI Enterprise Software

Progress Telerik and Kendo UI

UI for JS & .NET to make your dev life easier. Added bonus: testing, debugging, reporting...

1 Private Equity

Burlington, United States

Cloud Infrastructure Developer Tools +2

StackBlitz

The fastest & most secure IDE for web development

28 Seed

San Francisco, United Sta...

Information Technology Platforms

About Cosine

The AI coding agent built for engineers with taste

Services

Coding Automation Agents, Code Maintainability Solutions, Task Execution Management, Cloud and Desktop Application Development

Target Customers

Software Developers, Engineering Teams, Frontend Designers, Tech Enterprises

Taxonomy

AI Co-developer, Sovereign AI, Defence AI Solutions, Critical Infrastructure AI, On-premise AI Deployment, Coding Assistance, AI In Software Engineering, Codebase Understanding, AI Privacy And Security, VS Code Extension, Supercomputing, Software Development Tools, Natural Language Processing, AI Benchmark Achievement

Business Model

B2B, SaaS, Platform

Revenue Model

Subscription, Usage Based, Freemium

Frequently Asked Questions

Top alternatives to Cosine include Tempo Labs (YC S23), Chromatic, Qodo, Ellipsis (YC W24), Tabnine. These companies serve similar markets and are frequently compared.

Bounce Watch tracks 12 companies similar to Cosine based on industry overlap, target customers, and business model.

The AI coding agent built for engineers with taste

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Explore Related

Cosine Profile Tempo Labs (YC S23) Alternatives Chromatic Alternatives Qodo Alternatives All Companies All Signals Trend Reports

Compiled from the BounceWatch company index. We last looked at Cosine on 29 Apr 2026. The 12 companies listed here were last checked between 25 Mar 2025 and 29 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.