ActionMistral AIUpdated June 2026

How do I do function calling with Mistral?

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

Inputs

The fields this action accepts.

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

FieldTypeRequiredDescription
Model
model
optionsRequiredModel. Options: Mistral Large 2, Mistral Medium 2, Mistral Small 3
User Message
message
stringRequiredUser Message (required)
Tools
tools
arrayRequiredArray of tool defs in OpenAI-compatible format
Tool Choice
tool_choice
stringOptionalTool 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.

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.
More actions

Other Mistral AI actions.

Action
Mistral Chat Completion
Runs chat completion against Mistral's hosted models (Small, Medium, Large, Codestral, Mixtral variants, Pixtral). OpenAI-compatible shape. EU-hosted inference for data-residency-conscious workflows.
Action
Mistral Embedding
Generates embeddings with mistral-embed. For RAG-pipeline vector generation when you want EU-hosted embedding inference.
Action
List Mistral Models
Returns the Mistral model catalog. Pin specific versions for reproducibility; "latest" aliases float as Mistral ships new generations.
Action
Mistral Moderate Text
Returns category scores across harm types (violence, hate, sexual, self-harm, etc.). For pre-filter step before higher-cost LLM calls or for content-moderation workflows in user-generated content.
Action
Mistral OCR (Document → Markdown)
Mistral's specialised OCR model — converts PDFs/images to clean Markdown preserving headings, tables, multi-column layout. Better than general vision-LLM OCR for structured document processing.

Send mistral chat with tools from your workflows.

Triggered by anything in the catalog. Free tier available. No credit card.