TranscendQ.
TranscendQ LLC · Quantum computing research & engineering

Quantum computing,
tested.

We develop reproducible evaluation tools for quantum and classical computing, with an initial focus on quantum error-correction decoders and GPU–FPGA engineering.

Discuss a project

Founded in Texas in October 2026 by Geonhee Cho. Our decoder evaluation platform is in development. University-origin technology is commercialized only under the applicable licensing and agreements.

Research and technical work

Define the question. Build the test. Inspect the evidence.

Quantum / Classical

Comparative evaluation

Plan scoped comparisons of classical, quantum and hybrid methods using a defined dataset, baseline and cost model. Deliver reproducible experiments and a report that explains the result.

QEC / Hardware

Decoder engineering

Develop evaluation workflows that connect an error-correction decoder's mathematical reference with its hardware implementation. Record output agreement, fault handling and latency separately.

Research / Software

Reproduction and tooling

Turn a research method into a repeatable software experiment with documented inputs, configuration records and test scripts. Project scope and acceptance criteria are agreed before work begins.

The proposed product

A traceable path from configuration to result.

Decoder engineers need to distinguish an algorithm change from a hardware change—and preserve the evidence needed to investigate a mismatch.

Declared configuration → Reference workload → Implementation execution → Comparison report
01 / Reproduce

Configuration manifests

Record graph, weight, workload and implementation identities so an evaluation can be repeated within a declared scope.

02 / Compare

Reference-first checks

Compare implementation output against a specified software reference. GPU-assisted batch checking is planned; it is not claimed to be a GPU decoder.

03 / Investigate

Actionable validation reports

Separate agreement, quality, throughput and end-to-end latency. Preserve raw records and explain what each measurement does—and does not—establish.

Evidence policy

Claims stay inside the test boundary.

We distinguish simulation, physical execution and customer evaluation. Detailed non-public artifacts are shared only after release and confidentiality review.

Current development status

Work is focused on integer-weighted union–find decoder evaluation and reproducible GPU–FPGA testing. Existing research artifacts are being organized into a validation package. Product-level host-input processing, sustained workload testing and customer evaluation remain development milestones.

What is not claimed

No production readiness, customer adoption, QPU-integrated latency, experimentally established threshold, universal correctness or certified worst-case end-to-end latency is claimed. Timing and correctness results apply only to their documented configuration and measurement conditions.

What a pilot would evaluate

A jointly defined workload, baseline, configuration-change scenario and acceptance criteria. A pilot would compare reproducibility, output agreement, fault reporting and measurement overhead—not presume a performance advantage.

Read the validation approach →
Development roadmap

From research artifacts to an evaluation tool.

Milestone A

Independent reproduction

Verify artifacts, identities and reference comparisons; distinguish simulated records from physical board captures.

Milestone B

Live input and fault handling

Develop host-to-FPGA framing, configuration identity checks, negative tests and sustained-input measurements.

Milestone C

Scoped pilot evaluation

Extend workloads and establish a customer-agreed protocol with explicit metrics, limitations and deliverables.

Try the development prototype

A decoder log. A check. A report you can inspect.

Load a synthetic execution log or paste non-confidential JSONL. Inspect configuration, correction and syndrome comparisons, with record-level evidence citations.

Open the decoder log demo →

The current demo runs a deterministic checker locally in your browser. Claude API integration is prepared separately and is not connected. Synthetic examples do not represent customer or QPU results.

How we build

AI-assisted development. Independently checked results.

We plan to use Claude for software development, test preparation, experiment-log analysis and report drafting. Mathematical checks, reference implementations and repeatable experiments provide the evidence used to assess each result.

Our goal is a practical workflow that helps engineers investigate decoder changes and researchers compare computing methods within a declared scope.

Start a technical conversation

Tell us what you need to evaluate.

Founder: Geonhee Cho, PhD
gunheecho1221@gmail.com

For an initial discussion, share the problem, available data, computing environment and decision the evaluation should support.

Please do not send proprietary workloads or confidential implementation details before a suitable agreement is in place.