Unverified50% confidenceOpinionExact time
OpenAI's Function Calling, LangChain's Chain mechanism, and Anthropic's Tool Use API together form the core infrastructure of current LLM application engineering.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/23/2026
First Seen
Valid until: 10/21/2026
Sources
Related Claims
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