ActionMistral AIUpdated May 2026

How do I do function calling with Mistral?

Short answer: Drop the "Mistral AI → Mistral Chat with Tools" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Use this action All 6 Mistral AI actions

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Model model	options	Required	Model. Options: Mistral Large 2, Mistral Medium 2, Mistral Small 3
User Message message	string	Required	User Message (required)
Tools tools	array	Required	Array of tool defs in OpenAI-compatible format
Tool Choice tool_choice	string	Optional	Tool Choice

Sample request

{
  "model": "{{trigger.model}}",
  "message": "{{trigger.message}}",
  "tools": "{{trigger.tools}}",
  "tool_choice": "{{trigger.tool_choice}}"
}

Returns

{
  "id": "msg_abc",
  "choices": [
    {
      "message": {
        "role": "assistant",
        "tool_calls": [
          {
            "id": "call_abc",
            "function": {
              "name": "get_weather",
              "arguments": "{\"city\":\"Paris\"}"
            }
          }
        ]
      }
    }
  ]
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Mistral Chat with Tools.

Any of these apps can fire this action as part of a workflow.

Google Sheets → Mistral AI

2 Google Sheets triggers

HubSpot → Mistral AI

18 HubSpot triggers

FAQ

Questions about Mistral Chat with Tools.

What does the Mistral Chat with Tools action do in Mistral AI?

Chat completion with function-calling enabled. OpenAI-compatible tools array. Response includes tool_calls when the model decides to call one. Parallel tool calls supported.

What inputs does Mistral Chat with Tools require?

Required: Model, User Message, Tools. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Mistral AI returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Mistral Chat with Tools support batch operations?

Yes. Run Mistral Chat with Tools inside a Loop node to process arrays. Tiny Command handles Mistral AI's rate limits automatically so you don't have to throttle manually.

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