18:36
2026-06-26
dev.to
large-language-models
How We Actually Measure Whether an LLM's Output Is Good - BLEU, COMET and BLEURT
Shrijith Venkatramana, building git-lrc, explains the evolution of LLM evaluation metrics from BLEU to BLEURT and COMET. BLEU, introduced in 2002, measures n-gram overlap and correlates with human jud…