Unverified50% confidenceFactExact time
Reasoning models need to think before outputting, and TTFT calculated by the classic definition can be as long as several seconds or even require users to wait 5–30 seconds to see the first meaningful output, even when the model is functioning normally.
1
Sources
50%
Confidence
Long-term
Relevance
9/12/2026
First Seen
Sources
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