classify

This block is part of the anthropic group and was last modified in core v15.0.0.

classify anthropicconnection v15.0.0

Classify input into exactly one of your labels using Claude; route the resulting label with a switch block.

In pins 6 + flow

flow
flow
connection required
anthropicconnection
input
value
The text to classify. Optional when classifying an attachment (e.g. an image or PDF).
labels required
array<value>
The candidate labels (the model must pick exactly one).
attachments
file
Optional image(s)/PDF(s) to classify (e.g. route a document by type). Wire any file block; combine with or instead of input text.
instructions
value
Optional extra guidance for how to choose.
model
value
Model ID. Defaults to claude-haiku-4-5 (cheap). • Suggestions: claude-haiku-4-5 claude-sonnet-4-6 claude-opus-4-8

Out pins 10 + flow

flow
flow
connection
anthropicconnection
success
condition
Got a reply from Claude.
matched
condition
The reply was one of the labels (off = no match; label carries the raw reply).
label
value
The chosen label (canonical spelling when matched).
usage
object
Token counts plus the call cost (cost_usd).
stop reason
value
partial
value
errors
array<value>
Error codes when the call fails (success=false): config_error, internal_error, model_not_allowed, budget_exceeded, concurrency_limit_exceeded, rate_limited, refused, max_tokens, transport_error.
warnings
array<value>
Non-fatal notices: cost_unknown.
error detail
value

claude classify

ai classify

categorize

route with ai

intent

A typical wiring for classify: a function trigger starts the flow; with values feeds the labels pin; the flow out pin feeds debug.

Studio canvas example for the classify block: typical wiring for classify.

Introduced in v15.0.0.

Cluster