Expired60% confidenceFactExact time

Prompt Caching was first commercially deployed by Anthropic in 2024, after which OpenAI and others followed with similar mechanisms.

2

Sources

60%

Confidence

Medium-term (~90 days)

Relevance

7/12/2026

First Seen

Valid until: 10/10/2026(expired)

Sources

A Deep Dive into AI Agent Harnesses: The Core Engineering Behind Agent Frameworks

redditr/learnmachinelearning7/11/2026

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UnverifiedOpenAI于2024年推出Prompt Caching功能，底层依托Transformer架构中的KV Cache实现73% similar UnverifiedOpenAI launched the Pro tier subscription plan in 2025.72% similar UnverifiedConsistency distillation was proposed by OpenAI in 2023.72% similar

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