Unverified50% confidenceFactExact time
TTFT (time-to-first-token) is a core metric for measuring the experience of interactive applications.
1
Sources
50%
Confidence
Long-term
Relevance
9/15/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedTTFT（首个token生成时间）是衡量LLM用户体验的核心指标，决定用户从提交请求到看到第一个字符的等待时长80% similarUnverifiedidempotent-tools supports setting a TTL (time-to-live) for cache entries to allow the cache to expire after a time window.67% similarUnverifiedTTL (Time To Live) is a general mechanism used in network and storage systems to specify an expiration period for data or resources, which automatically expire or are cleared upon expiration.66% similarUnverifiedIn TTS (Text-to-Speech) contexts, Time to First Byte (TTFB) refers to the time between when the API receives text input and when it returns the first playable audio data chunk.66% similarUnverifiedTime to First Byte (TTFB) reflects the latency from when a request is sent to when the model returns the first token, encompassing network transmission, request queue waiting time, and model warm-up time.65% similar
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