Vertex AI Image Input Bytes

Send a downloaded image as bytes to Claude on Vertex AI and search the web about it.

image_input_bytes.py

"""
Vertexai Image Input Bytes
==========================

Cookbook example for `vertexai/claude/image_input_bytes.py`.
"""

from pathlib import Path

from agno.agent import Agent
from agno.media import Image
from agno.models.vertexai.claude import Claude
from agno.tools.websearch import WebSearchTools
from agno.utils.media import download_image

# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------

agent = Agent(
    model=Claude(id="claude-sonnet-4@20250514"),
    tools=[WebSearchTools()],
    markdown=True,
)

image_path = Path(__file__).parent.joinpath("sample.jpg")

download_image(
    url="https://upload.wikimedia.org/wikipedia/commons/0/0c/GoldenGateBridge-001.jpg",
    output_path=str(image_path),
)

# Read the image file content as bytes
image_bytes = image_path.read_bytes()

agent.print_response(
    "Tell me about this image and give me the latest news about it.",
    images=[
        Image(content=image_bytes),
    ],
    stream=True,
)

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------

if __name__ == "__main__":
    pass

Run the Example

1. Set up your virtual environment

   Mac

   uv venv --python 3.12
   source .venv/bin/activate
   

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Install dependencies

   uv pip install -U agno "anthropic[vertex]" ddgs
   
3. Export environment variables

   Mac/Linux

   export ANTHROPIC_VERTEX_PROJECT_ID="your_anthropic_vertex_project_id_here"
   export CLOUD_ML_REGION="your_cloud_ml_region_here"
   

   $Env:ANTHROPIC_VERTEX_PROJECT_ID="your_anthropic_vertex_project_id_here"
   $Env:CLOUD_ML_REGION="your_cloud_ml_region_here"
   
4. Authenticate with Google Cloud

   Sign in with Application Default Credentials:

   gcloud auth application-default login
   
5. Run the example

   Save the code above as image_input_bytes.py, then run:

   python image_input_bytes.py
   

Full source: cookbook/90_models/vertexai/claude/image_input_bytes.py