JetBrains Fleet
JetBrains Fleet is a versatile IDE developed by JetBrains, known for its standalone architecture type that caters to a wide range of operating systems including Windows, macOS, Linux, and Chromebook. It supports local inference and offers a robust context window of 128k tokens, making it suitable for complex projects. With features like agentic editing across multiple files and full terminal access, it enhances the coding experience for developers. Predictive edits further contribute to its efficiency. Although it does not currently support large language models, it maintains a standard privacy mode and holds SOC2 Type II certification for enterprise security. JetBrains Fleet provides a free tier option, making it accessible to a broad audience, and requires setup for migration.
Pros
- ✓ Supports multiple operating systems including Chromebook.
- ✓ Offers a large context window of 128k tokens.
- ✓ Includes agentic editing across multiple files.
- ✓ Full terminal access for enhanced functionality.
- ✓ Predictive edits improve coding efficiency.
- ✓ SOC2 Type II certified for enterprise security.
Cons
- ✕ Does not support large language models.
- ✕ Migration requires setup.
Melty
Melty is an innovative tool created by developers Charlie Holtz and Jackson de Campos. It features a standalone architecture and supports major operating systems like Windows, macOS, and Linux. Melty distinguishes itself with support for multiple large language models including GPT-5, Claude 4.5, Gemini 3.0, and o3, offering a substantial context window of 200k tokens. Like JetBrains Fleet, it supports local inference, agentic editing across multiple files, and provides full terminal access. Melty is also SOC2 Type II certified, ensuring a high level of data security. Available with a free tier, it is designed for easy accessibility, though migration does require setup.
Pros
- ✓ Supports multiple large language models.
- ✓ Offers an extensive context window of 200k tokens.
- ✓ Includes agentic editing across multiple files.
- ✓ Full terminal access for comprehensive development.
- ✓ SOC2 Type II certified for security assurance.
Cons
- ✕ Does not support Chromebook.
- ✕ Migration requires setup.
Comparison Table
| Feature | JetBrains Fleet | Melty |
|---|---|---|
| Architecture Type | standalone | standalone |
| Supported Os | Windows, macOS, Linux, Chromebook | Windows, macOS, Linux |
| Developer | JetBrains | Charlie Holtz, Jackson de Campos |
| Supported Llms | – | GPT-5, Claude 4.5, Gemini 3.0, o3 |
| Context Window | 128k tokens | 200k 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/Pro | Free/Pro |
| Config File | .fleetrc | .meltyrc |
| Migration | Requires setup | Requires setup |
Conclusion
Both JetBrains Fleet and Melty offer robust features for developers, with Melty standing out in its support for various large language models and a larger context window. JetBrains Fleet, however, is more versatile in terms of operating system support. The choice between these tools will largely depend on specific project needs and preferences for language model support.