Wasim Jalali ยท Applied AI EngineerApplied AI engineer in Germany. I build production AI products end to end with AI coding agents: full-stack apps, internal tools and agent systems.https://wasimjalali.com/en-gbChanging the AI model cut made-up claims in job applicationshttps://wasimjalali.com/writings/from-24-made-up-claims-to-1-changing-the-model-behind-job-applications/https://wasimjalali.com/writings/from-24-made-up-claims-to-1-changing-the-model-behind-job-applications/Asked about skills an applicant didn't have, the old model made up a claim in 24 of the 33 answers a strict checker read. Claude Haiku 5.5 did it once in 29.Fri, 23 Oct 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)How I made a live-chat helper almost 8 times lighterhttps://wasimjalali.com/writings/7-8-times-less-cpu-a-live-chat-question-filter-at-400-comments/https://wasimjalali.com/writings/7-8-times-less-cpu-a-live-chat-question-filter-at-400-comments/A Chrome extension that sorts viewers' questions was slowing the teacher's laptop. Seven rounds of fixes cut its work 7.8 times.Fri, 25 Sep 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)Why I threw away the fix that scored perfectlyhttps://wasimjalali.com/writings/from-116-to-118-of-120-the-fix-i-threw-away/https://wasimjalali.com/writings/from-116-to-118-of-120-the-fix-i-threw-away/A company Q&A assistant now gets 118 of 120 questions right, with a fix that isn't tied to the test's own documents.Fri, 25 Sep 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)How I stopped an AI from hiding real questionshttps://wasimjalali.com/writings/from-41-hidden-questions-to-zero-making-a-live-qa-filter-safe-to-trust/https://wasimjalali.com/writings/from-41-hidden-questions-to-zero-making-a-live-qa-filter-safe-to-trust/A filter for a live Q&A used to hide 41 of 618 real questions. A second, careful check brought that to zero.Fri, 25 Sep 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)Replaying a live broadcast to fix a confusing bughttps://wasimjalali.com/writings/from-six-confusing-cards-to-none-fixing-a-live-qa-filter-by-replay/https://wasimjalali.com/writings/from-six-confusing-cards-to-none-fixing-a-live-qa-filter-by-replay/Six cards on screen made no sense to the teacher. Replaying the broadcast found why, and the ninth replay got all 115 comments right.Fri, 25 Sep 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)I tested 28 AI models, and the test picked the winnerhttps://wasimjalali.com/writings/wrongly-hidden-questions-4-0-to-1-9-percent-the-test-design-chose-the-model/https://wasimjalali.com/writings/wrongly-hidden-questions-4-0-to-1-9-percent-the-test-design-chose-the-model/How the way you test changes which model looks best, and how wrongly hidden questions fell from 4.0% to 1.9% on the test.Fri, 25 Sep 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)The cheaper AI model did the same job for a ninth of the pricehttps://wasimjalali.com/writings/picking-a-model-for-a-grounded-rag-agent/https://wasimjalali.com/writings/picking-a-model-for-a-grounded-rag-agent/Five models took the same 120-question test. The cheap one tied the expensive one at 95%.Tue, 01 Sep 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)Teaching an assistant to answer only from its sourceshttps://wasimjalali.com/writings/from-72-to-95-repairing-a-grounded-rag-agent/https://wasimjalali.com/writings/from-72-to-95-repairing-a-grounded-rag-agent/From 72% to 95% correct answers, without changing how the answers were graded.Tue, 01 Sep 2026 00:00:00 GMThello@wasimjalali.com (Wasim Jalali)