AI-NATIVE IDEs (Integrated Development Environment) | Freemium and 100% Free

AI-NATIVE IDEs (Integrated Development Environment)
Freemium and 100% Free

(Source: Google Gemini)


### Category 1: 100% Free and Open-Source AI-Native IDEs

These tools are fundamentally free to use, often relying on a "bring your own model" (BYOM) philosophy. The cost comes from your usage of external API keys, but the tool itself is free and open-source.
* **Flexpilot IDE:
** A fork of VS Code that is open-source and free. It’s designed to be model-agnostic, allowing you to use API keys from various providers or even local models. The IDE itself has no cost, but you are responsible for any fees from the LLM providers you choose to connect.

* **Void IDE:
** An open-source, local-first IDE with an agentic design. It prioritizes privacy and control by running everything on your machine, making it completely free to use.

* **Continue:
** A free and open-source IDE extension that adds powerful AI features to existing editors like VS Code and JetBrains. Like Flexpilot, it's a BYOM tool, so the extension is free, and you pay for or use the free tiers of the LLM providers you connect.

* **Zed:
** An open-source, high-performance code editor with built-in AI features, including "Edit Prediction" powered by its own open-source language model, Zeta.


### Category 2: AI-Native IDEs with Freemium Models

This is where Cursor and Windsurf are best categorized. They offer a "free tier" or "Hobby" plan that allows you to experience their core functionality. However, the most powerful and valuable features are gated behind a paid subscription.

* **Cursor:
** A popular IDE built on VS Code. While it offers a **free "Hobby" plan**, this tier has limited usage of its most advanced features. For instance, the number of "Agent" requests and "Tab" completions (its multi-line autocomplete) are capped. To get unlimited usage of these features, access to maximum context windows, and advanced tools like its Bug Bot, you must subscribe to a paid "Pro" or "Ultra" plan.

* **Windsurf:
** An "agentic" IDE also built on VS Code. Its pricing model is based on "prompt credits," which are limited on its **free plan**. While the free tier includes a two-week trial of its Pro features and some unlimited access to its less powerful models, the most advanced features and unlimited usage of premium models like Cascade are reserved for paid tiers. For a professional developer using it daily, the free plan's credit limit would likely be reached quickly, necessitating an upgrade.



**In summary:** 

The key difference is that the tools in the first category are entirely free and open-source, with any costs being external to the IDE itself. The tools in the second category, while offering a free entry point, use a freemium model where the full, most productive experience requires a paid subscription.

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