Anthropic AI Gateway Benchmark
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Cold E2E
471ms
Median
Warm TTFT
390ms
Median
Tokens/sec
63
Median
DNS
0.8ms
Median
TCP
17.4ms
Median
TLS
19.8ms
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.
DNS0.8ms
TCP17.4ms
TLS19.8ms
To First Byte387.3ms
First Byte → Token0.0ms