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Codeium

Free AI code completion supporting 70+ languages

AI-native code editor (now operating as Windsurf) built on VS Code with the Cascade agentic assistant for multi-file editing, terminal execution, and codebase-wide context. Codeium supports 70+ programming languages with lightning-fast completion, Cascade Memories for customizable AI behavior, semantic indexing, and automatic linter-error fixes — combining completion plus full agent in one cohesive IDE.

About Codeium

Codeium, now operating under the Windsurf brand, is an AI-native code editor that deeply integrates artificial intelligence into every aspect of the coding workflow. Built on top of the VS Code architecture as a standalone desktop application, Windsurf goes beyond traditional AI code completion plugins by offering a fully agentic development experience through its Cascade AI assistant. It solves the problem of fragmented AI tooling by combining code generation, multi-file editing, terminal execution, and contextual understanding into a single cohesive environment.

The Cascade AI assistant is Windsurf's core differentiator, combining deep codebase understanding, advanced tooling, and real-time awareness of developer actions into a collaborative workflow. Unlike basic AI assistants that operate on one file at a time, Cascade can make coordinated changes across multiple files simultaneously, run terminal commands to install packages, execute tests, and start development servers, and automatically fix linter errors in generated code. Windsurf provides lightning-fast code completion across over 70 programming languages, customizable AI behavior through Cascade Memories, and intelligent indexing for deep semantic understanding of entire codebases.

Windsurf is designed for developers who want an AI-first code editor rather than bolting AI capabilities onto a traditional editor through extensions. It appeals to both individual developers looking for a free AI coding tool and professional teams who need advanced agentic capabilities. Compared to alternatives like Cursor, GitHub Copilot, and standalone Codeium extensions, Windsurf offers a more integrated AI experience where the editor and the AI are designed as a unified product, making it particularly attractive for developers who want minimal friction between their intent and their code.

Pricing & Platform Specs

Pricing Summary

Freemium AI-powered code completion and developer intelligence platform. Individual Free ($0/mo) includes unlimited fast single/multi-line code completions, in-IDE chat, and codebase search across 70+ languages and 40+ IDEs. Pro ($10–$15/mo) unlocks advanced frontier reasoning models (Claude 3.5 Sonnet, GPT-4o), priority inference, and Cascade multi-file agentic flows. Teams ($30/user/mo) adds centralized seat management, usage analytics, and team admin controls. Enterprise (custom) delivers air-gapped on-premise/VPC self-hosted deployments, SOC 2 Type II compliance, zero data retention (ZDR), and SAML SSO.

full pricing breakdown →

Supported Platforms

VS Code, JetBrains, Vim, Emacs, 40+ editors

Explore categories, tags & use cases

Free local AI code completion for VSCode

Twinny is a free, open-source AI code completion extension for VS Code that works with any OpenAI API-compatible endpoint including local models via Ollama. It provides real-time inline suggestions, a sidebar chat for code discussion, workspace embeddings for context-aware completions, and a decentralized P2P inference network. A privacy-first alternative to GitHub Copilot with zero licensing cost.

Open Source

Code management platform for AI coding agents

Entire is an AI-native code management platform designed for teams managing fleets of AI coding agents. Founded by former GitHub CEO Thomas Dohmke, it records the reasoning and instructions behind AI-generated code alongside the code itself, making agent-written software easier to review, audit, and maintain. Launches with Checkpoints, an open-source CLI tool that logs prompts and token usage for Claude Code and Google Gemini CLI, with more agent integrations planned.

freemiumOpen Source

Side-by-Side Comparisons

Codeium logo
Codeium
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Windsurf logo
Windsurf

Codeium vs Windsurf — Legacy Extension vs Agentic IDE

Codeium and Windsurf share common technical DNA, but represent fundamentally different stages in AI-assisted development. Codeium remains an active, universal plugin supporting over 40 editors with a permanent free tier, whereas Windsurf evolved into an AI-native IDE before being acquired by Cognition and transitioned into Devin Desktop. This comparison evaluates Codeium's ongoing multi-IDE assistant against Windsurf's historical standalone IDE architecture.

CodeiumWindsurf
GitHub Copilot logo
GitHub Copilot
vs
Codeium logo
Codeium

GitHub Copilot vs Codeium — Enterprise Control vs Open Ecosystem

GitHub Copilot and Codeium both deliver AI-assisted coding across popular IDEs, but they target fundamentally different buyer profiles. Copilot is the GitHub-native choice for organizations already standardized on Microsoft tooling, with tight integration into Codespaces, PRs, and enterprise policy enforcement. Codeium takes the opposite approach: model-agnostic, self-hostable, and free for individuals — built for teams that want flexibility over lock-in. The decision often comes down to whether you prioritize auditability and GitHub workflow depth, or portability and cost structure.

Codeium logo
Codeium
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Cursor logo
Cursor

Codeium vs Cursor — AI-Native VS Code Forks: Flat-Price Enterprise Agent vs Pay-Per-Request Frontier IDE

Codeium (now operating as Windsurf) and Cursor are the two most-cited AI-native editors of 2026, and both are VS Code-based standalone apps rather than extensions. Yet they make very different bets: Cursor optimizes for raw frontier-model access with a pay-per-request Agent loop, while Codeium/Windsurf centers on a tightly tuned Cascade agent, persistent Memories, and flat seat-based pricing with serious enterprise deployment options. This comparison covers positioning, agent experience, context handling, pricing, and privacy to help you pick the right daily driver.

CodeiumCursor

Community experience

Sources & verification

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Content verified

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FAQ

What is Codeium?

AI-native code editor (now operating as Windsurf) built on VS Code with the Cascade agentic assistant for multi-file editing, terminal execution, and codebase-wide context. Codeium supports 70+ programming languages with lightning-fast completion, Cascade Memories for customizable AI behavior, semantic indexing, and automatic linter-error fixes — combining completion plus full agent in one cohesive IDE.

Is Codeium free?

Codeium offers a free tier alongside paid plans. Freemium AI-powered code completion and developer intelligence platform. Individual Free ($0/mo) includes unlimited fast single/multi-line code completions, in-IDE chat, and codebase search across 70+ languages and 40+ IDEs. Pro ($10–$15/mo) unlocks advanced frontier reasoning models (Claude 3.5 Sonnet, GPT-4o), priority inference, and Cascade multi-file agentic flows. Teams ($30/user/mo) adds centralized seat management, usage analytics, and team admin controls. Enterprise (custom) delivers air-gapped on-premise/VPC self-hosted deployments, SOC 2 Type II compliance, zero data retention (ZDR), and SAML SSO.

Is Codeium still maintained?

Yes — Codeium is active. Its listing was last verified on September 6, 2026.

What are the best Codeium alternatives?

The first editor-selected Codeium alternatives are Twinny, Entire.

How does Codeium score in our review?

The published editorial review lists Codeium at 83/100 overall across speed, privacy, and developer experience. Check the review's evidence status and test metadata for its verification level.