Reliability

Compute end to end success for a 6 hop multi-agent chain at 92 percent per step

Sequence a robust retry policy for a transient LLM API failure

How should a high throughput service absorb provider 429 responses?

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Spot the flaw in a JSON mode handler that trusts the model's output

Design a validate and repair loop for an endpoint that must return valid JSON

Retrying a model call that sends an email: what goes wrong, and how do idempotency keys help?

What should users see when the primary model is down, instead of an error page?

Arrange the fallback ladder for a chat app whose primary model is overloaded

The three states of a circuit breaker around a model provider

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Which statement correctly describes LangChain's with_fallbacks failure semantics?

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Calculate the end to end success rate of a 10 step agent task if each step succeeds with 90% probability

Calculate the per step accuracy required to achieve 90% end to end success on a 10 step agent task