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Claude Opus 5.5

Operational

Super Intelligence model · Anthropic · standard tier · called every 24 h

All Anthropic models
Uptime · 24 hours100.00%
Drift score88.3

3 days of uptime

6 Oct 2026Today

Speed and latency

How fast Claude Opus 5.5 answers on Anthropic, over the last 24 hours of our calls.

Time to first token · p50797 ms
Time to first token · p95797 ms
Total response time · p50806 ms
Total response time · p95806 ms

Time to first token is the wait for the first word of a short streamed answer; total response time is until that answer is complete. We do not measure tokens per second. All Anthropic models, side by side →

Quality drift

Latest score88.3
14-day average88.3
+0.0

The same 30 graded tasks, run on a schedule. The score is the share of them the model passed, so a falling line means it passed fewer; last run 62 min ago.

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