# Monitor prompt caching to optimize your token usage

DevFeed: [Monitor prompt caching to optimize your token usage](<https://devfeed.tech/articles/monitor-prompt-caching-to-optimize-your-token-usage-2297.md>)

Original publisher: [Read original article](<https://www.datadoghq.com/blog/monitor-prompt-caching-optimize-token-usage/>)

Author: Thomas Sobolik

Published: 2026-09-02T00:00:00Z

Content type: tutorial

Language: en

Sources: [Datadog | The Monitor blog](<https://devfeed.tech/sources/datadog-the-monitor-blog.md>)

Topics: [Caching](<https://devfeed.tech/topics/caching.md>), [Large Language Model](<https://devfeed.tech/topics/llm.md>), [Latency](<https://devfeed.tech/topics/latency.md>), [Traces](<https://devfeed.tech/topics/traces.md>), [SIEM, Security, Observability](<https://devfeed.tech/topics/siem-security-observability.md>), [anthropic](<https://devfeed.tech/topics/anthropic.md>)

Tags: [agent-observability](<https://devfeed.tech/tags/agent-observability.md>), [agents](<https://devfeed.tech/tags/agents.md>), [ai](<https://devfeed.tech/tags/ai.md>), [ai-engineering](<https://devfeed.tech/tags/ai-engineering.md>), [ai-observability](<https://devfeed.tech/tags/ai-observability.md>), [anthropic](<https://devfeed.tech/tags/anthropic.md>), [caching](<https://devfeed.tech/tags/caching.md>), [cost](<https://devfeed.tech/tags/cost.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [latency](<https://devfeed.tech/tags/latency.md>), [llm](<https://devfeed.tech/tags/llm.md>), [models](<https://devfeed.tech/tags/models.md>), [monitor](<https://devfeed.tech/tags/monitor.md>), [openai](<https://devfeed.tech/tags/openai.md>), [traces](<https://devfeed.tech/tags/traces.md>)

## AI overview

A tutorial on prompt caching for LLM and agent workloads, covering cache behavior, provider differences, and monitoring token use and latency.

## Source excerpt

Learn how to use prompt caching effectively and monitor your models and agents to troubleshoot cache invalidations.