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Does Amazon Bedrock have Function Calling?
YES
Bedrock Agents use tool/action groups for function calling.
Does Amazon Bedrock have Function Calling?
Amazon Bedrock supports Function Calling. Developers can define custom tools/functions that the AI can choose to invoke, returning structured JSON arguments to execute actions. Amazon Bedrock is AWS’s generative-AI platform: hundreds of foundation models (including OpenAI on Bedrock), AgentCore, Knowledge Bases, Guardrails, fine-tuning, and batch/realtime inference. Bedrock Agents use tool/action groups for function calling.
- Tool
- 🪨 Amazon Bedrock by Amazon
- Feature
- Function Calling · Developer
- Status
- Yes, requires plus plan
- Notes
- Bedrock Agents use tool/action groups for function calling.
- Pricing
- Requires Plus plan.
- Source
- aws.amazon.com
- Last verified
- 2026-09-02