OpenRouter Anthropic AI Gateway Benchmarks
Anthropic AI Gateway Benchmarks
Last benchmarked August 21, 2026
Request Latency
Cold E2E
498ms
Median
Warm TTFT
496ms
Median
Tokens/sec
58
Median
DNS
1.0ms
Median
TCP
1.0ms
Median
TLS
3.1ms
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
TCP1.0ms
TLS3.1ms
To First Byte485.7ms
First Byte → Token1.3ms
Performance Over Time
Iteration Distribution
Cold E2E
Warm TTFT
Tokens/sec
DNS
TCP
TLS
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