🛠️
Does Grok have Function Calling?
YES
The xAI API supports function calling: you define custom tools and Grok returns tool-call requests for your app to execute, alongside built-in tools such as web search, X search, and code interpreter.
Does Grok have Function Calling?
Grok supports Function Calling. Developers can define custom tools/functions that the AI can choose to invoke, returning structured JSON arguments to execute actions. Grok is an AI assistant created by xAI that combines real-time knowledge from X/Twitter with powerful reasoning capabilities. The xAI API supports function calling: you define custom tools and Grok returns tool-call requests for your app to execute, alongside built-in tools such as web search, X search, and code interpreter.
- Tool
- 🧠 Grok by xAI
- Feature
- Function Calling · Developer
- Status
- Yes
- Notes
- The xAI API supports function calling: you define custom tools and Grok returns tool-call requests for your app to execute, alongside built-in tools such as web search, X search, and code interpreter.
- Pricing
- Requires a paid plan.
- Source
- docs.x.ai
- Last verified
- 2026-09-09