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GPT-5.5 vs GPT-5.4
Head-to-head performance comparison with real-time monitoring data. Updated every 10 minutes.
At a glance · 24h average
Metric
GPT-5.5
OpenAI
GPT-5.4
OpenAI
Avg TTFT
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Avg Latency
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Throughput
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ITL
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Error Rate
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Uptime (24h)
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Trends · last 24h
Time to first token
Total response time
Throughput
Inter-token latency
Time to first token
last 24h · ms
No data yet — monitoring just started.
GPT-5.5
GPT-5.4
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