Anthropic AI Gateway Benchmark
Request Latency
Cold E2E
729ms
Median
Warm TTFT
620ms
Median
Tokens/sec
51
Median
DNS
1.0ms
Median
TCP
1.1ms
Median
TLS
5.7ms
Median
Cold Connection Breakdown
Where a fresh request's time goes: DNS lookup, TCP connect, TLS handshake, then time to first response byte, then first byte to first streamed token.
DNS1.0ms
TCP1.1ms
TLS5.7ms
To First Byte706.3ms
First Byte → Token0.2ms
Performance Over Time
Iteration Distribution
Cold E2E
Warm TTFT
Tokens/sec
DNS
TCP
TLS
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