Hadrien Matringe
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Field notes

Lessons from building products, and what I test along the way.

9th October 2026 · 8 min read

Jev vs Claude: I tested Jev before trusting it

Eight scorers, two synthetic datasets, one question each. Claude is the most accurate, Jev the best trade-off, and the 25-line shortcut is a coin toss.

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Hadrien Matringe · Fractional CTO

I rebuild the tech that businesses have outgrown.
hadrien@mainverteconsulting.com

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