Unverified50% confidenceFactExact time
Response speed involves time to first token (TTFT) and overall throughput.
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedTime to First Token (TTFT) refers to the time interval between a user sending a request and the model outputting the first token, and is primarily constrained by the duration of the prefill stage.77% similarVerifiedTPS measurement is typically divided into two phases: Time to First Token (TTFT) and the generation rate (throughput) of subsequent tokens.76% similarUnverifiedWhen current mainstream large models handle complex code tasks, the time to first token (TTFT) is often between 2 and 8 seconds.75% similarUnverified缓存命中时prefill阶段可跳过已缓存部分，TTFT可从数秒压缩至毫秒级75% similarUnverifiedThe time-to-first-byte for cloud TTS services is typically 200–500 milliseconds, making it the primary source of latency bottlenecks.74% similar
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