Cloud Computing

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AI Employee Slashes Thread Costs by 82% Using Prompt Caching Architecture

AI Employee Slashes Thread Costs by 82% Using Prompt Caching Architecture

Jul 23, 2026
Viktor

Viktor, an AI employee built for Slack and Microsoft Teams, slashes agent thread costs by 81.8% on Claude Opus 4.8 through a prompt caching architecture that drops a 40-step thread from $11.35 to just $2.07 by keeping prefixes byte-stable, treating threads as append-only logs, and timing cache compaction strategically around …

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