Nodes/ComfyUI-NanoBanana2/NanoBanana - Structured Output (JSON)
ComfyUI Node

NanoBanana - Structured Output (JSON)

A ComfyUI node in NanoBanana2/Text with 8 inputs and 1 output.

By IxMxAMAR·Created 5 months ago·Updated 2 months ago· 4
NanoBanana - Structured Output (JSON)
  • network
  • json_output
api_key
modelgemini-2.5-flash
custom_model
prompt
json_schema{ "type": "object", "properties": { "result": {"type": "string"} } }
system_instruction
temperature0.30
CategoryNanoBanana2/Text

Inputs (8)

NameTypeDefaultDescription
api_keySTRINGNanoBanana - API key. Leave blank to use GEMINI_API_KEY env var.
modelCOMBOgemini-2.5-flashNanoBanana - model for structured output.
custom_modelSTRINGOverride with a custom model ID.
promptSTRINGThe prompt describing what data to extract/generate.
json_schemaSTRING{ "type": "object", "properties": { "result": {"type": "string"} } }JSON Schema that constrains the model output format.
system_instructionoptSTRINGSystem instruction for the model.
temperatureoptFLOAT0.300–2Lower temperature recommended for structured output.
networkoptNB_NETWORKOptional. Wire a NanoBanana - Network Route node here to route this request through that proxy (e.g. US egress).

Outputs (1)

NameTypeDescription
json_outputSTRING