Unverified50% confidenceFactExact time
End-to-end latency is typically the sum of capture, network transmission, ASR, LLM time to first token, and TTS time to first packet.
1
Sources
50%
Confidence
Long-term
Relevance
10/29/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedSTT、LLM、TTS三段串行叠加，仅处理延迟就超过650毫秒，不包括服务间网络跳转耗时76% similarUnverifiedAn LLM gateway adds one network hop of latency, but relative to generation time (hundreds to thousands of milliseconds) this is usually small.74% similarUnverifiedThe cumulative latency of a traditional ASR→LLM→TTS three-stage pipeline is typically between 800 milliseconds and 2 seconds.74% similarUnverifiedWhen current mainstream large models handle complex code tasks, the time to first token (TTFT) is often between 2 and 8 seconds.74% similarUnverifiedASR requires streaming processing to reduce first-character latency, while TTS requires streaming synthesis to reduce first-packet latency.73% similar
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