Unverified50% confidenceTradeoffExact time

Using only completion time as an optimization metric obscures time-to-first-byte (TTFB/TTFT), which is critical to real user experience.

1

Sources

50%

Confidence

Long-term

Relevance

10/12/2026

First Seen

Sources

AI Optimization Made llama2.c Faster but Broke Streaming: Lessons from a Kaggle Benchmark

Related Entities

TTFBconcept TTFTconcept

Related Claims

UnverifiedTTFT (time-to-first-token) is a core metric for measuring the experience of interactive applications.79% similar 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73% similar

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