Anthropic / Claude

import anthropic

# --- OTel imports ---
from opentelemetry import trace
from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import OTLPSpanExporter
from opentelemetry.instrumentation.anthropic import AnthropicInstrumentor
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import BatchSpanProcessor


# --- OTel setup: configure tracer provider and OTLP exporter ---
def configure_otel() -> TracerProvider:
    resource = Resource.create()
    provider = TracerProvider(resource=resource)
    exporter = OTLPSpanExporter()  # reads OTEL_EXPORTER_OTLP_ENDPOINT from env
    provider.add_span_processor(BatchSpanProcessor(exporter))
    trace.set_tracer_provider(provider)
    return provider


def main():
    # OTel: initialize tracing and auto-instrument the Anthropic SDK
    provider = configure_otel()
    AnthropicInstrumentor().instrument(tracer_provider=provider)

    # Your app logic
    client = anthropic.Anthropic()
    message = client.messages.create(
        model="claude-sonnet-4-20250514",
        max_tokens=256,
        messages=[
            {"role": "user", "content": "What is OpenTelemetry in one sentence?"}
        ],
    )
    print(f"Claude response: {message.content[0].text}")

    # OTel: flush and shut down the tracer provider
    provider.force_flush()
    provider.shutdown()


if __name__ == "__main__":
    main()