{"type":"post","id":"groundhog-day-for-ai-agents-prompt-caching-patterns-3e941d","slug":"groundhog-day-for-ai-agents-prompt-caching-patterns-3e941d","title":"Groundhog Day for AI agents: Prompt caching patterns for using OpenAI models on Amazon Bedrock","description":"AWS has published a technical guide to prompt caching for agent workloads using OpenAI models on Amazon Bedrock.","retrieval_nugget":"AWS has published a technical guide to prompt caching for agent workloads using OpenAI models on Amazon Bedrock.","published_at":"2026-10-27","updated_at":"2026-10-27","record_date":"2026-10-27","date_kind":"published_at","topics":["harness-engineering","agent-runtime"],"entities":["Amazon Web Services","Amazon Bedrock","OpenAI"],"related_patterns":["harness-architecture-outlives-model-choice","agent-economics-moves-to-completed-work"],"novelty_label":"new_fact","what_changed":"Adds prompt-caching patterns for using OpenAI models on Amazon Bedrock, extending the prior announcement that the models were available there.","prior_refs":["memory:45473b53-2e6d-8324-a981-8814fccb6d63"],"source_url":"https://aws.amazon.com/blogs/machine-learning/groundhog-day-for-ai-agents-prompt-caching-patterns-for-using-openai-models-on-amazon-bedrock","source_urls":["https://aws.amazon.com/blogs/machine-learning/groundhog-day-for-ai-agents-prompt-caching-patterns-for-using-openai-models-on-amazon-bedrock"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:groundhog-day-for-ai-agents-prompt-caching-patterns-3e941d","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/groundhog-day-for-ai-agents-prompt-caching-patterns-3e941d/","markdown":"https://newruntime.com/posts/groundhog-day-for-ai-agents-prompt-caching-patterns-3e941d.md","json":"https://newruntime.com/posts/groundhog-day-for-ai-agents-prompt-caching-patterns-3e941d.json"},"next_reads":[{"type":"topic","path":"/topics/harness-engineering/","url":"https://newruntime.com/topics/harness-engineering/","title":"Harness Engineering","reason":"Explore the harness-engineering topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/harness-engineering.md","json_url":"https://newruntime.com/topics/harness-engineering.json"},{"type":"topic","path":"/topics/agent-runtime/","url":"https://newruntime.com/topics/agent-runtime/","title":"Agent Runtime","reason":"Explore the agent-runtime topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-runtime.md","json_url":"https://newruntime.com/topics/agent-runtime.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}