The Native Bedrock Codex CLI lacks explicit cache controls for GPT-5.6 Sol, preventing models from opting into prompt caching. This oversight causes massive volumes of cache-write tokens during agentic coding workloads, resulting in significant unexpected expenditure.
HOW THIS AFFECTS YOU
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builderYou should monitor token usage closely when using the Codex CLI on Bedrock to avoid massive cache-write bills.
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founderUnpredictable infrastructure costs for agentic workflows could impact your unit economics if this bug is not mitigated.