phoenix-observability

pip install arize-phoenix
 
# With specific backends
pip install arize-phoenix[embeddings]  # Embedding analysis
pip install arize-phoenix-otel         # OpenTelemetry config
pip install arize-phoenix-evals        # Evaluation framework
pip install arize-phoenix-client       # Lightweight REST client

import phoenix as px
 
# Launch in notebook (ThreadServer mode)
session = px.launch_app()
 
# View UI
session.view()  # Embedded iframe
print(session.url)  # http://localhost:6006

# Start Phoenix server
phoenix serve
 
# With PostgreSQL
export PHOENIX_SQL_DATABASE_URL="postgresql://user:pass@host/db"
phoenix serve --port 6006

from phoenix.otel import register
from openinference.instrumentation.openai import OpenAIInstrumentor
 
# Configure OpenTelemetry with Phoenix
tracer_provider = register(
    project_name="my-llm-app",
    endpoint="http://localhost:6006/v1/traces"
)
 
# Instrument OpenAI SDK
OpenAIInstrumentor().instrument(tracer_provider=tracer_provider)
 
# All OpenAI calls are now traced
from openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(
    model="gpt-4o",
    messages=[{"role": "user", "content": "Hello!"}]
)

from phoenix.otel import register
from opentelemetry import trace
 
# Setup tracing
tracer_provider = register(project_name="my-app")
tracer = trace.get_tracer(__name__)
 
# Create custom spans
with tracer.start_as_current_span("process_query") as span:
    span.set_attribute("input.value", query)
 
    # Child spans are automatically nested
    with tracer.start_as_current_span("retrieve_context"):
        context = retriever.search(query)
 
    with tracer.start_as_current_span("generate_response"):
        response = llm.generate(query, context)
 
    span.set_attribute("output.value", response)

import os
os.environ["PHOENIX_PROJECT_NAME"] = "production-chatbot"
 
# Or per-trace
from phoenix.otel import register
tracer_provider = register(project_name="experiment-v2")

from phoenix.otel import register
from openinference.instrumentation.openai import OpenAIInstrumentor
 
tracer_provider = register()
OpenAIInstrumentor().instrument(tracer_provider=tracer_provider)

from phoenix.otel import register
from openinference.instrumentation.langchain import LangChainInstrumentor
 
tracer_provider = register()
LangChainInstrumentor().instrument(tracer_provider=tracer_provider)
 
# All LangChain operations traced
from langchain_openai import ChatOpenAI
llm = ChatOpenAI(model="gpt-4o")
response = llm.invoke("Hello!")

from phoenix.otel import register
from openinference.instrumentation.llama_index import LlamaIndexInstrumentor
 
tracer_provider = register()
LlamaIndexInstrumentor().instrument(tracer_provider=tracer_provider)

from phoenix.otel import register
from openinference.instrumentation.anthropic import AnthropicInstrumentor
 
tracer_provider = register()
AnthropicInstrumentor().instrument(tracer_provider=tracer_provider)

from phoenix.evals import (
    OpenAIModel,
    HallucinationEvaluator,
    RelevanceEvaluator,
    ToxicityEvaluator,
    llm_classify
)
 
# Setup model for evaluation
eval_model = OpenAIModel(model="gpt-4o")
 
# Evaluate hallucination
hallucination_eval = HallucinationEvaluator(eval_model)
results = hallucination_eval.evaluate(
    input="What is the capital of France?",
    output="The capital of France is Paris.",
    reference="Paris is the capital of France."
)

from phoenix.evals import llm_classify
 
# Define custom evaluation
def evaluate_helpfulness(input_text, output_text):
    template = """
    Evaluate if the response is helpful for the given question.
 
    Question: {input}
    Response: {output}
 
    Is this response helpful? Answer 'helpful' or 'not_helpful'.
    """
 
    result = llm_classify(
        model=eval_model,
        template=template,
        input=input_text,
        output=output_text,
        rails=["helpful", "not_helpful"]
    )
    return result

from phoenix import Client
from phoenix.evals import run_evals
 
client = Client()
 
# Get spans to evaluate
spans_df = client.get_spans_dataframe(
    project_name="my-app",
    filter_condition="span_kind == 'LLM'"
)
 
# Run evaluations
eval_results = run_evals(
    dataframe=spans_df,
    evaluators=[
        HallucinationEvaluator(eval_model),
        RelevanceEvaluator(eval_model)
    ],
    provide_explanation=True
)
 
# Log results back to Phoenix
client.log_evaluations(eval_results)

from phoenix import Client
 
client = Client()
 
# Create dataset
dataset = client.create_dataset(
    name="qa-test-set",
    description="QA evaluation dataset"
)
 
# Add examples
client.add_examples_to_dataset(
    dataset_name="qa-test-set",
    examples=[
        {
            "input": {"question": "What is Python?"},
            "output": {"answer": "A programming language"}
        },
        {
            "input": {"question": "What is ML?"},
            "output": {"answer": "Machine learning"}
        }
    ]
)

from phoenix import Client
from phoenix.experiments import run_experiment
 
client = Client()
 
def my_model(input_data):
    """Your model function."""
    question = input_data["question"]
    return {"answer": generate_answer(question)}
 
def accuracy_evaluator(input_data, output, expected):
    """Custom evaluator."""
    return {
        "score": 1.0 if expected["answer"].lower() in output["answer"].lower() else 0.0,
        "label": "correct" if expected["answer"].lower() in output["answer"].lower() else "incorrect"
    }
 
# Run experiment
results = run_experiment(
    dataset_name="qa-test-set",
    task=my_model,
    evaluators=[accuracy_evaluator],
    experiment_name="baseline-v1"
)
 
print(f"Average accuracy: {results.aggregate_metrics['accuracy']}")

from phoenix import Client
 
client = Client(endpoint="http://localhost:6006")
 
# Get spans as DataFrame
spans_df = client.get_spans_dataframe(
    project_name="my-app",
    filter_condition="span_kind == 'LLM'",
    limit=1000
)
 
# Get specific span
span = client.get_span(span_id="abc123")
 
# Get trace
trace = client.get_trace(trace_id="xyz789")

from phoenix import Client
 
client = Client()
 
# Log user feedback
client.log_annotation(
    span_id="abc123",
    name="user_rating",
    annotator_kind="HUMAN",
    score=0.8,
    label="helpful",
    metadata={"comment": "Good response"}
)

# Export to pandas
df = client.get_spans_dataframe(project_name="my-app")
 
# Export traces
traces = client.list_traces(project_name="my-app")

docker run -p 6006:6006 arizephoenix/phoenix:latest

# Set database URL
export PHOENIX_SQL_DATABASE_URL="postgresql://user:pass@host:5432/phoenix"
 
# Start server
phoenix serve --host 0.0.0.0 --port 6006

export PHOENIX_ENABLE_AUTH=true
export PHOENIX_SECRET="your-secret-key-min-32-chars"
export PHOENIX_ADMIN_SECRET="admin-bootstrap-token"
 
phoenix serve

from phoenix.otel import register
 
# Verify endpoint
tracer_provider = register(
    project_name="my-app",
    endpoint="http://localhost:6006/v1/traces"  # Correct endpoint
)
 
# Force flush
from opentelemetry import trace
trace.get_tracer_provider().force_flush()

# Close session when done
session = px.launch_app()
# ... do work ...
session.close()
px.close_app()

# Verify PostgreSQL connection
psql $PHOENIX_SQL_DATABASE_URL -c "SELECT 1"
 
# Check Phoenix logs
phoenix serve --log-level debug