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Glossary · Phase 10 · Agent harnesses

OpenTelemetry

Also written: OTel

An open standard for traces, metrics and logs, with conventions for recording model and tool calls.

Try it now

At $4 and $20 per million tokens. Long conversations resend everything each turn, which is why cache reads matter so much, and why every run needs a budget.

Learn it properly

Tracing, budgets and guardrails · See what an agent did, cap what it spends, and stop it when it loops. About 35 minutes.

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