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RetellAI

Interact with RetellAI API

Actions25

LLM → Create

AI-generated

Summary

Create a Retell LLM using a selected text model and optional settings. The node sends a POST request to Retell’s /create-retell-llm endpoint for each input item and returns the API response as JSON.

Inputs

  • Model (required) — Select the underlying text model. The default is GPT-4o; options include Claude, DeepSeek, Gemini, and other GPT models.
  • Model Temperature — Optional setting from 0 to 1 that controls response randomness; defaults to 0.
  • Tool Call Strict Mode — Optional boolean that controls whether strict JSON schema is enforced for tool calls; defaults to false.
  • General Prompt — Optional text appended to the system prompt; defaults to empty.

Output shape

A single JSON object per input item containing the Retell API response for the created LLM.

The API response fields are not specified here. The operation creates a Retell LLM as a side effect; it requires Retell API credentials.

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