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Silogy

Silogy's Viv is an on-premise AI verification engineer for chip design that autonomously debugs failing tests using code, log files, waveforms and a knowledge base.

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Introduction

Viv is an AI agent for design verification. It debugs failing test cases around the clock using log files, code, waveform files and other test output, plus a continuously updated knowledge base, and the company says it can cut test debug times by upwards of 90%.

Viv runs entirely on your servers, so data never leaves your machines, with LLM access on a bring-your-own-key basis. It is invoked through a command-line tool on a particular test run or slotted into CI/CD, and interoperates with most industry-standard tools. Like any verification engineer it may not always be right, but it cites code and waveforms directly in its suggestions.

Launch and background: Y Combinator’s company directory lists Silogy in its Winter 2024 batch, with the one-liner “An AI-powered test and debug platform for chip developers”.

Features

  1. Autonomous debug: Root-causes failing tests.
  2. Waveform analysis: Reads waveform files.
  3. On-premise: Data stays local.
  4. Bring your own key: Choose your LLM.
  5. CLI and CI: Fits existing flows.

Pros

  1. Security for IP: Fully on-premise.

Cons

  1. Niche: For chip design verification teams.
  2. Pricing not public: Contact the company.
  1. Install Viv on-premise.
  2. Configure your LLM key.
  3. Run it on a failing regression from the CLI or CI.

Resources:

Pricing

Prices were not listed on the website when checked on 11 November 2026; contact the vendor for plans.

  1. Semiconductor verification teams.

Conclusion

Silogy applies AI debugging to one of the most time-consuming parts of chip development.

Pilot it on a regression with known root causes.

On CheckOps, Silogy is filed under the Unit testing and Release & CI gates stages. Related tools listed here include Renode, pytest-embedded, labgrid, Unity Test (C), pytest and hyperfine. Before standardising on one, compare recent maintenance activity, the pricing model as your usage grows, and the integrations you rely on today. Information on this page was verified against the official website, documentation and repository on 11 November 2026.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with Silogy side by side.