Understand

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Output—per 1M tokens

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About

Understand is ranked #5 of 40 in code search tools on Inferse. It runs on API, Browser extension, Linux, macOS, Self-hosted, Windows. A free trial is offered. Paid plans start at $8343.33/mo.

Compared on code search tools

Free plan: Yesscitools.com
Paid from: $100/user/moscitools.com
Security analysis: Yesscitools.com

Facts

Product purpose: Understand is a static analysis and code-comprehension tool that builds a cross-referenced model of source code without running it.ai-docs.scitools.com · 2 Oct 2026
Core features: It provides an Information Browser, graphs, architectures, metrics, CodeCheck, version comparison, APIs, the und CLI, and AI chat.ai-docs.scitools.com · 2 Oct 2026
Code navigation: Understand supports cross-references, call trees, dependency analysis, and visual graphs including butterfly and control-flow graphs.scitools.com · 2 Oct 2026
Language support: Supported languages include C/C++, C#, Fortran, Java, Python, Rust, VHDL, Visual Basic, and web languages including HTML, CSS, JavaScript, TypeScript, PHP, and XML.docs.scitools.com · 2 Oct 2026
Desktop platforms: Current supported operating systems are Windows 11 x64, RHEL/CentOS 8.6+ or Ubuntu 22.04+ on x86_64 Linux, and macOS Monterey 12 or later on Intel and Apple Silicon.docs.scitools.com · 2 Oct 2026
Automation: Understand runs from the command line for automation and CI, and an official Docker image is published on Docker Hub.docs.scitools.com · 2 Oct 2026
VS Code integration: The Understand for Visual Studio Code extension surfaces code navigation and CodeCheck violations inside VS Code and is separately licensed.ai-docs.scitools.com · 2 Oct 2026
Local AI privacy: With the bundled local model, source code, prompts, and generated descriptions stay on the user's hardware and are not sent to SciTools or third parties.docs.scitools.com · 2 Oct 2026
Cloud AI data handling: Choosing ChatGPT, Claude, Gemini, Grok, or a custom endpoint sends each request, including embedded code context, to that provider and requires an API key plus explicit data-sharing acknowledgement.docs.scitools.com · 2 Oct 2026
Air-gapped operation: Installation, analysis, metrics, CodeCheck, reports, graphs, and local AI can run without internet access using offline licensing.ai-docs.scitools.com · 2 Oct 2026
Compliance certifications: Understand is certified for use as a support tool on projects requiring ISO 26262, IEC 61508, and EN 50128 compliance.scitools.com · 2 Oct 2026
Free educational license: Students and teachers can obtain a free educational license for non-commercial educational use, renewable yearly, with all Understand features unlocked.docs.scitools.com · 2 Oct 2026
Support: SciTools provides product support by email and lists office hours Monday through Friday, 9 AM–5 PM Mountain Time.scitools.com · 2 Oct 2026