AI article
Five ways Claude prompt caching quietly breaks on Amazon Bedrock
Community description: Requests still return 200. You just pay full price again. Five causes from this quarter's bug reports, and a limit I measured: 21 blocks hit, 22 miss.
Dev.to | Oct 12, 2026 | Haris Farooq
Automated excerpt
Check your library still sends the cache point Most teams don’t write cache points by hand. The test: if cache reads and cache writes are both zero, no cache point is reaching Bedrock. Cache diagnostics on Bedrock: Anthropic’s Console now explains why a request missed the cache, and Bedrock doesn’t.
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