22:04
2026-08-16
dev.to
large-language-models
TTFT is not TTFB: what 45 AI APIs measured from 4 regions actually show
A developer running llmlatency.dev measured time-to-first-token (TTFT) and time-to-first-byte (TTFB) for about 45 AI inference providers from four regions, finding that the two metrics often produce c…