Anthropic AI Gateway Benchmark
Request Latency
Cold E2E
662ms
Median
Warm TTFT
619ms
Median
Tokens/sec
53
Median
DNS
1.8ms
Median
TCP
1.6ms
Median
TLS
7.2ms
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.
DNS1.8ms
TCP1.6ms
TLS7.2ms
To First Byte99.9ms
First Byte → Token542.5ms
Performance Over Time
Iteration Distribution
Cold E2E
Warm TTFT
Tokens/sec
DNS
TCP
TLS
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