From 99a61c8c5538659cab20c8d94767c314daa68c2a Mon Sep 17 00:00:00 2001 From: Ishaan Jaffer Date: Wed, 7 Jan 2026 17:31:39 +0530 Subject: [PATCH] get_flux2_image_generation_url --- .../image_generation/flux_transformation.py | 56 ++++++++++++++++++- 1 file changed, 55 insertions(+), 1 deletion(-) diff --git a/litellm/llms/azure_ai/image_generation/flux_transformation.py b/litellm/llms/azure_ai/image_generation/flux_transformation.py index 5325f32ef63..6a1868d94cc 100644 --- a/litellm/llms/azure_ai/image_generation/flux_transformation.py +++ b/litellm/llms/azure_ai/image_generation/flux_transformation.py @@ -1,3 +1,5 @@ +from typing import Optional + from litellm.llms.openai.image_generation import GPTImageGenerationConfig @@ -11,4 +13,56 @@ class AzureFoundryFluxImageGenerationConfig(GPTImageGenerationConfig): From our test suite - following GPTImageGenerationConfig is working for this model """ - pass + + @staticmethod + def get_flux2_image_generation_url( + api_base: Optional[str], + model: str, + api_version: Optional[str], + ) -> str: + """ + Constructs the complete URL for Azure AI FLUX 2 image generation. + + FLUX 2 models on Azure AI use a different URL pattern than standard Azure OpenAI: + - Standard: /openai/deployments/{model}/images/generations + - FLUX 2: /providers/blackforestlabs/v1/flux-2-pro + + Args: + api_base: Base URL (e.g., https://litellm-ci-cd-prod.services.ai.azure.com) + model: Model name (e.g., flux.2-pro) + api_version: API version (e.g., preview) + + Returns: + Complete URL for the FLUX 2 image generation endpoint + """ + if api_base is None: + raise ValueError( + "api_base is required for Azure AI FLUX 2 image generation" + ) + + api_base = api_base.rstrip("/") + api_version = api_version or "preview" + + # If the api_base already contains /providers/, it's already a complete path + if "/providers/" in api_base: + if "?" in api_base: + return api_base + return f"{api_base}?api-version={api_version}" + + # Construct the FLUX 2 provider path + # Model name flux.2-pro maps to endpoint flux-2-pro + return f"{api_base}/providers/blackforestlabs/v1/flux-2-pro?api-version={api_version}" + + @staticmethod + def is_flux2_model(model: str) -> bool: + """ + Check if the model is an Azure AI FLUX 2 model. + + Args: + model: Model name (e.g., flux.2-pro, azure_ai/flux.2-pro) + + Returns: + True if the model is a FLUX 2 model + """ + model_lower = model.lower().replace(".", "-").replace("_", "-") + return "flux-2" in model_lower or "flux2" in model_lower