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In-Depth Analysis of CodeSandbox and Cursor

Alex Hrymashevych Author by:
Alex Hrymashevych
Last update:
26 Jan 2026
Reading time:
~ 3 mins

CodeSandbox: A Cloud-Based Development Environment

CodeSandbox is a popular cloud-based development environment that supports Windows, macOS, and Linux operating systems. Developed by CodeSandbox, it is designed to facilitate seamless coding experiences by providing agentic editing with multi-file support and full terminal access. This tool caters to developers who prefer a cloud architecture, ensuring that projects are always accessible and easily shareable. With predictive edits and a context window of 64k tokens, CodeSandbox offers a robust set of features for efficient development. The privacy mode adheres to a standard privacy policy, and the tool is certified with SOC2 Type II for enterprise-grade security. The pricing ranges from free to $20 per month, making it accessible for both individual developers and teams. Configurations are managed through a ‘sandbox.config.json’ file, ensuring smooth project migration and setup.

Pros

  • Cloud-based architecture for easy access and collaboration.
  • Supports multiple operating systems: Windows, macOS, and Linux.
  • Offers predictive edits and full terminal access.
  • Free tier available with options up to $20/month.
  • SOC2 Type II certification ensures enterprise-level security.

Cons

  • Limited context window of 64k tokens compared to some other tools.
  • No support for local inference or LLMs.

Cursor: A Standalone Development Powerhouse

Cursor is a versatile standalone development tool compatible with Windows, macOS, and Linux. It supports a wide range of language models including GPT-4, GPT-4 Turbo, GPT-4o, GPT-5 (High MAX), Claude 3.5 Sonnet, Gemini, cursor-small, and Supermaven, offering developers a high level of flexibility and power. Cursor’s architecture allows for a massive context window of 1 million tokens, significantly enhancing its capabilities in handling large projects or datasets. Like CodeSandbox, Cursor provides agentic editing with multi-file support and full terminal access. The tool is also certified with SOC2 Type II, ensuring compliance with enterprise security standards. Cursor’s pricing is competitive, ranging from free to $20 per month, and it supports seamless migration with configurations managed through a ‘.cursorrules’ file.

Pros

  • Standalone architecture supports extensive LLMs and custom models.
  • Massive context window of 1 million tokens.
  • Compatible with Windows, macOS, and Linux.
  • SOC2 Type II certification for security and compliance.
  • Free tier available with upgrade options.

Cons

  • Standalone architecture might require more setup compared to cloud solutions.
  • No support for local inference.

Comparison Table

Feature CodeSandbox Cursor
Architecture Type cloud standalone
Supported Os Windows, macOS, Linux Windows, macOS, Linux
Developer CodeSandbox Cursor
Supported Llms GPT-4, GPT-4 Turbo, GPT-4o, GPT-5 (High MAX), Claude 3.5 Sonnet, Gemini, cursor-small, Supermaven
Custom Model cursor-small
Context Window 64k tokens 1M tokens
Agentic Editing Yes, multi-file Yes, multi-file
Terminal Access Full Full
Privacy Mode Standard Privacy Policy Standard Privacy Policy
Certifications SOC2 Type II (Enterprise) SOC2 Type II (Enterprise)
About Price Free – $20/mo Free – $20/mo
Config File sandbox.config.json .cursorrules
Migration Seamless Seamless

Conclusion

Both CodeSandbox and Cursor offer compelling features for developers, each excelling in different areas. CodeSandbox is ideal for those seeking a cloud-based solution with easy accessibility, while Cursor provides extensive support for language models and a larger context window for more demanding projects. Your choice will depend on whether you prioritize cloud accessibility or advanced LLM support.