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Benchmark notes: Opus5 & Opus5.5 on us-east-1

I’ve been running load tests on opus5 and opus5.5 deployments in us-east-1 and want to share my observations. Test setup Region: us-east-1 Model: opus5, opus5.5 Test type: Concurrent chat completions, mixed short and medium-length prompts Auth: Standard AWS Bedrock credential flow Observations For…

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  1. 2026-11-02 14:02 · DEV Community — AI
    Benchmark notes: Opus5 & Opus5.5 on us-east-1

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