Field notes on LLM systems in .NET and Python. Experiments, partial answers, open questions.https://blog.goldbarth.dev/https://blog.goldbarth.dev/log/2026-07-31-the-comparison-was-wrong/https://blog.goldbarth.dev/log/2026-07-31-the-comparison-was-wrong/Six runs, every cost confirmed against the invoice, and the first four of them compared nothing.Fri, 31 Jul 2026 00:00:00 GMThttps://blog.goldbarth.dev/log/2026-07-17-a-days-total-is-not-a-measurement/https://blog.goldbarth.dev/log/2026-07-17-a-days-total-is-not-a-measurement/The first real run against my own release worked, cost money, and left me with a single number I cannot do much with.Fri, 17 Jul 2026 00:00:00 GMT