Anthropic AI Gateway Benchmark
Request Latency
Cold E2E
618ms
Median
Warm TTFT
542ms
Median
Tokens/sec
57
Median
DNS
2.7ms
Median
TCP
6.6ms
Median
TLS
18.5ms
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.
DNS2.7ms
TCP6.6ms
TLS18.5ms
To First Byte566.0ms
First Byte → Token10.0ms
Performance Over Time
Iteration Distribution
Cold E2E
Warm TTFT
Tokens/sec
DNS
TCP
TLS
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