Glossary term
What is TTFT (Time to first token)?
TTFT stands for Time to first token.
How long until the first piece of an answer arrives.
Learn it properly · AI EngineeringLesson 3: Cost, Latency and Caching for LLM FeaturesToken arithmetic, time to first token, prompt and response caching, model routing, batching, timeouts and budgets, with a simulation.