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Self-hosting an open model is not a cheaper version of using an API. It is a different set of responsibilities. Here is what you actually take on, what you gain, and how to tell whether the trade is working.
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Laya is free and local. Jev is hosted and more accurate out of the box. Both of those statements are true, and the choice between them is not obvious. Here is the comparison with the baselines named, including the benchmarks that are not comparable.
Fine-tuning is the one capability that makes an open decision model genuinely different from a hosted one. Here is how to build a label set from your own review decisions, train on a laptop, and avoid the trap that inflates every published benchmark.
I collected every public claim about Grok Bot doing SEO work in the first six weeks and sorted them by how verifiable they are. Most of the loudest numbers do not survive contact with the evidence.
A Jev internal-link run proposed 679 links across 566 pages in under six seconds for 27 cents. An editorial pass kept 287 of them. Here is the full attrition, the rubric rewrite that improved recall from 45% to 65%, and how to run the same benchmark on your own site.
The vendor benchmark says 67.8%. An independent reranking test says Jev is not a free win. Here is how to read both, why the numbers are not comparable, and how to run your own accuracy test before you trust a threshold.
A real build teardown: how a Jev-powered internal-link analyzer crawls a site, narrows candidates with TF-IDF, extracts the exact sentence to link from, and proposes anchor text that already exists on the page — for about the price of a coffee.
A five-campaign retrospective across furniture, luxury, cross-border, beauty, and local service shows GEO gains arrive non-linearly, decay when corpus feeding stops, and matter most defensively in crowded or reputation-hit markets.
