add new gemini/imagen-4.0 models (#13876)

Author: ishaan-jaff

litellm/model_prices_and_context_window_backup.json

@@ -10832,18 +10832,36 @@
         "source": "https://cloud.google.com/vertex-ai/generative-ai/docs/learn/models#foundation_models",
         "supports_tool_choice": true
     },
+    "gemini/imagen-4.0-generate-001": {
+        "output_cost_per_image": 0.04,
+        "litellm_provider": "gemini",
+        "mode": "image_generation",
+        "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
+    },
     "gemini/imagen-4.0-generate-preview-06-06": {
         "output_cost_per_image": 0.04,
         "litellm_provider": "gemini",
         "mode": "image_generation",
         "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
     },
+    "gemini/imagen-4.0-ultra-generate-001": {
+        "output_cost_per_image": 0.06,
+        "litellm_provider": "gemini",
+        "mode": "image_generation",
+        "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
+    },
     "gemini/imagen-4.0-ultra-generate-preview-06-06": {
         "output_cost_per_image": 0.06,
         "litellm_provider": "gemini",
         "mode": "image_generation",
         "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
     },
+    "gemini/imagen-4.0-fast-generate-001": {
+        "output_cost_per_image": 0.02,
+        "litellm_provider": "gemini",
+        "mode": "image_generation",
+        "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
+    },
     "gemini/imagen-4.0-fast-generate-preview-06-06": {
         "output_cost_per_image": 0.02,
         "litellm_provider": "gemini",

model_prices_and_context_window.json

@@ -10832,18 +10832,36 @@
         "source": "https://cloud.google.com/vertex-ai/generative-ai/docs/learn/models#foundation_models",
         "supports_tool_choice": true
     },
+    "gemini/imagen-4.0-generate-001": {
+        "output_cost_per_image": 0.04,
+        "litellm_provider": "gemini",
+        "mode": "image_generation",
+        "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
+    },
     "gemini/imagen-4.0-generate-preview-06-06": {
         "output_cost_per_image": 0.04,
         "litellm_provider": "gemini",
         "mode": "image_generation",
         "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
     },
+    "gemini/imagen-4.0-ultra-generate-001": {
+        "output_cost_per_image": 0.06,
+        "litellm_provider": "gemini",
+        "mode": "image_generation",
+        "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
+    },
     "gemini/imagen-4.0-ultra-generate-preview-06-06": {
         "output_cost_per_image": 0.06,
         "litellm_provider": "gemini",
         "mode": "image_generation",
         "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
     },
+    "gemini/imagen-4.0-fast-generate-001": {
+        "output_cost_per_image": 0.02,
+        "litellm_provider": "gemini",
+        "mode": "image_generation",
+        "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
+    },
     "gemini/imagen-4.0-fast-generate-preview-06-06": {
         "output_cost_per_image": 0.02,
         "litellm_provider": "gemini",