Unverified50% confidenceOpinionExact time

A faster first-token response (lower TTFT) creates the illusion of overall smoother performance, even if the total generation speed has not substantially improved.

1

Sources

50%

Confidence

Long-term

Relevance

9/12/2026

First Seen

Sources

Gemini 3.8 Flash Speed Test: Is It Actually Faster Than 3.7 Flash?

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Unverified对流式响应场景，应重点关注首Token延迟（TTFT）而非整体完成时间69% similar UnverifiedPTC模式执行速度快、逻辑更精准，但容错能力较弱，更适合高频、逻辑稳定的任务68% similar Unverifiedtokens/s指标可细分为首token延迟（TTFT）和生成速率（Generation Throughput）两个子维度68% similar

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