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Agent Evals & Reliability

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15 November 2026

Verifying agent behavior through simulation versus runtime guardrails

Verification via simulation. AWS built an emulator for its public API models, allowing autonomous agents to pin every behavior against a fidelity test that checks against real AWS. Sivasubramanian reports that this loop runs on every iteration, replacing the slow…

14 November 2026

Production agents stay safe with rigid action catalogs

Horizon3 limited its AI agent to a finite, pre-approved menu of deterministic tools to ensure it stayed within bounds during 420 deployments. This architecture allowed a smaller Claude Haiku 4.5 model to perform as reliably as a larger one, as…

13 November 2026

Production agents require evidence loops instead of green dashboards

Datadog’s 2026 State of AI Engineering survey of 650 enterprise technology leaders found that 78% have at least one agent pilot running, yet only 14% have successfully scaled an agent to organization-wide use. Engineering teams often mistake a successful HTTP…

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