Tool invocation has seen consistent upward trend throughout 2025. Initially concentrated in GPT-4o-mini and Claude 3.5/3.7, tool use has diversified to Claude 4.5 Sonnet, Grok Code Fast, and GLM 4.5. Enabling tool use is becoming table stakes for enterprise adoption.
Tool adoption shows consistent upward trend through 2025
Dec 1, 2025Claude 4.5 Sonnet rapidly gained tool-enabled token share from September
Dec 1, 2025Models without reliable tool formats risk falling behind in enterprise adoption
Dec 1, 2025