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fix(api-nodes): add support for "thought_image" in Nano Banana 2 #13038

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Merged
Kosinkadink merged 1 commit into from
Mar 18, 2026
+15 −3
Merged

fix(api-nodes): add support for "thought_image" in Nano Banana 2 #13038

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1 change: 1 addition & 0 deletions comfy_api_nodes/apis/gemini.py
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,7 @@ class GeminiPart(BaseModel):
inlineData: GeminiInlineData | None = Field(None)
fileData: GeminiFileData | None = Field(None)
text: str | None = Field(None)
thought: bool | None = Field(None)


class GeminiTextPart(BaseModel):
Expand Down
17 changes: 14 additions & 3 deletions comfy_api_nodes/nodes_gemini.py
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Expand Up @@ -63,7 +63,7 @@
$m := widgets.model;
$r := widgets.resolution;
$isFlash := $contains($m, "nano banana 2");
$flashPrices := {"1k": 0.0696, "2k": 0.0696, "4k": 0.123};
$flashPrices := {"1k": 0.0696, "2k": 0.1014, "4k": 0.154};
$proPrices := {"1k": 0.134, "2k": 0.134, "4k": 0.24};
$prices := $isFlash ? $flashPrices : $proPrices;
{"type":"usd","usd": $lookup($prices, $r), "format":{"suffix":"/Image","approximate":true}}
Expand Down Expand Up @@ -188,10 +188,12 @@ def get_text_from_response(response: GeminiGenerateContentResponse) -> str:
return "\n".join([part.text for part in parts])


async def get_image_from_response(response: GeminiGenerateContentResponse) -> Input.Image:
async def get_image_from_response(response: GeminiGenerateContentResponse, thought: bool = False) -> Input.Image:
image_tensors: list[Input.Image] = []
parts = get_parts_by_type(response, "image/*")
for part in parts:
if (part.thought is True) != thought:
continue
if part.inlineData:
image_data = base64.b64decode(part.inlineData.data)
returned_image = bytesio_to_image_tensor(BytesIO(image_data))
Expand Down Expand Up @@ -931,6 +933,11 @@ def define_schema(cls):
outputs=[
IO.Image.Output(),
IO.String.Output(),
IO.Image.Output(
display_name="thought_image",
tooltip="First image from the model's thinking process. "
"Only available with thinking_level HIGH and IMAGE+TEXT modality.",
),
],
hidden=[
IO.Hidden.auth_token_comfy_org,
Expand Down Expand Up @@ -992,7 +999,11 @@ async def execute(
response_model=GeminiGenerateContentResponse,
price_extractor=calculate_tokens_price,
)
return IO.NodeOutput(await get_image_from_response(response), get_text_from_response(response))
return IO.NodeOutput(
await get_image_from_response(response),
get_text_from_response(response),
await get_image_from_response(response, thought=True),
)


class GeminiExtension(ComfyExtension):
Expand Down
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