Working with Anthropic in Pixeltable

What it uses

Install

terminal

$pip install pixeltable anthropic

Environment variables it names

ANTHROPIC_API_KEY

Pixeltable calls

anthropic.messages()pxt.create_table()add_computed_column()insert()

A look at the code

from pixeltable.functions import anthropic

# Create a table in Pixeltable and add a computed column that calls Anthropic

t = pxt.create_table('anthropic_demo/chat', {'input': pxt.String})

msgs = [{'role': 'user', 'content': t.input}]
t.add_computed_column(
    output=anthropic.messages(
        messages=msgs,
        model='claude-haiku-4-5-20251001',
        max_tokens=300,
        model_kwargs={
            # Optional dict with parameters for the Anthropic API
            'system': 'Respond to the prompt with detailed historical information.'
        },
    )
)

One cell of the notebook, copied as it is. Open it in Colab for the rest.

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