TTFT = Time To First Token. TPS = Tokens Per Second. Total latency = TTFT + (output_tokens / TPS). Multi-step agents: × N steps.

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AI Agent Latency Budget

How slow is your N-step agent?

Steps in agent flow

Avg output tokens / step

Model TTFT (ms)

Model TPS (tokens/sec)

Tool execution / step (ms)

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Agent latency budget