feat: add code samples for model optimizer

generative_ai/text_generation/model_optimizer_text01.py

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+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import os
+
+# Replace 'your-project-id' with a default value if needed
+PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT", "your-project-id")
+
+
+def generate_from_text_input() -> str:
+    # [START generativeaionvertexai_model_optimizer_generate_from_text_input]
+    import vertexai
+    from vertexai.generative_models import GenerativeModel, GenerationConfig
+
+    vertexai.init(project=PROJECT_ID, location="us-central1")
+
+    model = GenerativeModel("model-optimizer-exp-04-09", generation_config=GenerationConfig(
+        model_config=GenerationConfig.ModelConfig(
+            # valid options are: PRIORITIZE_QUALITY, BALANCED, PRIORITIZE_COST
+            feature_selection_preference=GenerationConfig.ModelConfig.FeatureSelectionPreference.PRIORITIZE_COST
+        )
+    ))
+
+    response = model.generate_content(
+        "What's a good name for a flower shop that specializes in selling bouquets of dried flowers?"
+    )
+
+    print(response.text)
+    # Example response:
+    # **Emphasizing the Dried Aspect:**
+    # * Everlasting Blooms
+    # * Dried & Delightful
+    # * The Petal Preserve
+    # ...
+
+    # [END generativeaionvertexai_model_optimizer_generate_from_text_input]
+    return response.text
+
+
+if __name__ == "__main__":
+    generate_from_text_input()

generative_ai/text_generation/noxfile_config.py

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+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Default TEST_CONFIG_OVERRIDE for python repos.
+
+# You can copy this file into your directory, then it will be imported from
+# the noxfile.py.
+
+# The source of truth:
+# https://github.com/GoogleCloudPlatform/python-docs-samples/blob/main/noxfile_config.py
+
+TEST_CONFIG_OVERRIDE = {
+    # You can opt out from the test for specific Python versions.
+    "ignored_versions": ["2.7", "3.7", "3.8", "3.10", "3.11", "3.13"],
+    # Old samples are opted out of enforcing Python type hints
+    # All new samples should feature them
+    "enforce_type_hints": True,
+    # An envvar key for determining the project id to use. Change it
+    # to 'BUILD_SPECIFIC_GCLOUD_PROJECT' if you want to opt in using a
+    # build specific Cloud project. You can also use your own string
+    # to use your own Cloud project.
+    "gcloud_project_env": "GOOGLE_CLOUD_PROJECT",
+    # 'gcloud_project_env': 'BUILD_SPECIFIC_GCLOUD_PROJECT',
+    # If you need to use a specific version of pip,
+    # change pip_version_override to the string representation
+    # of the version number, for example, "20.2.4"
+    "pip_version_override": None,
+    # A dictionary you want to inject into your test. Don't put any
+    # secrets here. These values will override predefined values.
+    "envs": {},
+}

generative_ai/text_generation/requirements.txt

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+google-cloud-aiplatform==1.88.0