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Gökdeniz Gülmez

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Gökdeniz Gülmez works on machine-learning engineering and MLOps at Computacenter and contributes to open-source AI software for Apple Silicon. His projects include an MLX knowledge benchmark and the compact JOSIE model family.[1][5][6]

Start with MLX Benchmark →
Gökdeniz Gülmez

Education

IT.Schule Stuttgart

School studies (qualification unspecified)

2019 – 2021

[4]

Links

Owned current professional biography Owned GitHub projects and account links X · actuallyisaak

System Engineer, ML engineering and MLOps · Computacenter

Freelance engineer, MLX-VLM core trainer · Neywa Labs

Career

At Computacenter, Gülmez focuses on deployment, monitoring and maintenance of machine-learning systems. His independent work contributes model architectures and training methods to MLX libraries. Neywa Labs sponsors his freelance maintenance of MLX-VLM’s core trainer. His professional background also includes vocational training in IT systems integration and studies at IT.Schule Stuttgart.[1][4]

Contributions

Test whether a model understands the MLX framework

MLX Benchmark evaluates language models on questions, coding and debugging tasks about MLX. A command-line runner selects a model and provider, filters tasks by category and difficulty, and stores results for tables and charts. Its judge model can be configured separately from the candidate; the default uses the candidate model itself. The resulting scores therefore need to be interpreted with the task set, grading setup and sample outputs in view.[5]

Study what post-training changes in a small model

His JOSIE-2 report describes carefully selected post-training data for compact language models, including reasoning examples and instruction-following behavior. It compares reasoning and non-reasoning modes and discusses changes that transfer beyond the explicit format of a reasoning trace. In matched-prompt tests, he also reports longer reasoning traces after quantization, leaving the cause unresolved. The release treats model behavior and evaluation as part of a local-first development process.[6]

Tools, writing & talks

Tools

  • Start here

    MLX Benchmarkgithub.com

    A configurable harness for evaluating LLM knowledge and coding ability around the MLX framework.

    Inspect the bundled tasks and a few graded answers before comparing scores. Python and a configured local model or provider credentials are needed; configure a separate judge if you want to examine self-grading effects.

    Creator and maintainer[5]Original source

Writing, research & talks

References

Latest source check 2026-10-30

  1. [1] Owned current professional biography

    goekdeniz-guelmez.github.io · Checked 2026-10-30

  2. [2] Owned GitHub projects and account links

    github.com · Checked 2026-10-30

  3. [3] Owned professional account

    x.com · Checked 2026-10-30

  4. [4] Owned education and vocational-training record

    de.linkedin.com · Checked 2026-10-30

  5. [5] Original MLX Benchmark repository

    github.com · Checked 2026-10-30

  6. [6] Original authored JOSIE-2 technical report

    huggingface.co · Checked 2026-10-30

Gökdeniz Gülmez | VibeLeaderboard