Time to first token versus total latency?
Practice this question- Time to first token measures how soon generation begins producing text, while total latency includes all required work and completion.
- Streaming improves perceived progress but may not reduce total runtime or cost.
Adapted from 13_AI.MD · “29.16 Observability”. Code examples are study fragments. Difficulty and core labels are editorial estimates; version-specific behavior should be checked against your project.