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Fitten Code

Product information, use cases, and access for Fitten Code.

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VerifiedSeptember 7, 2026

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What is Fitten Code?

Fitten Code is an AI coding assistant from 非十科技, powered by the company’s own code model and designed for everyday software development. It supports in-editor assistance as well as natural-language work around existing code, including completion, code generation, editing, explanation, test creation, and bug discovery.

The product is used through development environments such as Visual Studio Code and JetBrains IDEs, keeping assistance close to the files developers are already working on. It is intended for individual developers and development teams that want help with repetitive implementation, understanding unfamiliar code, and reviewing or extending working code without leaving the coding environment.

Key features of Fitten Code

  • Code completion

    It uses the code being written as context to provide completions, helping developers reduce repetitive typing and continue common programming fragments within the editor.

  • Generate and edit code

    Developers can describe an intended result in comments or natural language to generate code structures, and can also ask for changes, refactoring, or optimization of existing code.

  • Code explanation and comments

    It can explain how a code fragment works and add comments to source code, which is useful when reading unfamiliar implementations, documenting maintenance context, or sharing existing logic with a team.

  • Tests and bug discovery

    It can generate test cases around existing code and help identify possible defects, making it suitable for an initial review and additional validation after a feature has been implemented.