Verified90% confidenceFactExact time
Anthropic and OpenAI successively released models supporting tool use and multi-step reasoning around 2024.
8
Sources
90%
Confidence
Long-term
Relevance
5/30/2026
First Seen
Sources
Build a Claude Code Agentic OS in 3 Steps — Stop Using AI Like a Slot Machine
bilibiliYTBeer5/30/2026
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