Write Like It's 1866: LLMs Relearn Telegraphese
Everything below is reproducible — harness, frozen ledgers, one-click notebook: github.com/Travis42/telegraph-test. Numbers from a 50-passage, ~1,300-question benchmark: Cross-family matrix (readers = foreign models answering from GLM-5.3-Flash’s records; writers = GLM-5.3-Flash answering from theirs)1Savings shown use the lowercase instruction, on each provider’s own meter. Without that word, models write cablese in ALL CAPS and the styling costs 14–19 points: gemma 25.0%, qwen 29.8%, GLM 33.9%. *gpt-5-mini cannot disable reasoning, and compression makes it think — its writes bill about double plain. The one family where this technique does not pay. : ...