OpenTelemetry Python is the Python implementation of the OpenTelemetry API and SDK, giving Python developers vendor-neutral instrumentation for traces, metrics and logs across distributed systems.

What it is

OpenTelemetry Python is an Apache-2.0 licensed repository that ships multiple installable Python packages rather than a single monolith. The opentelemetry-api package provides abstract classes and no-op implementations that comprise the OpenTelemetry API, following the OpenTelemetry specification. The opentelemetry-sdk package is the reference implementation of that API. The repository also contains an exporter directory of OpenTelemetry exporter packages and a propagator directory of OpenTelemetry propagator packages. It lives in the Python ecosystem and is part of the wider OpenTelemetry project, with a community Slack channel at cncf/otel/python and a homepage at opentelemetry.io.

The concrete problem it solves is tight coupling between application code and a specific observability backend. Libraries that produce telemetry data depend only on opentelemetry-api, which defers the choice of the SDK to the application developer. That replaces vendor-specific instrumentation, where swapping a tracing or metrics provider means rewriting call sites throughout the codebase. Because the API layer is a no-op by default, a library can ship instrumentation without forcing a backend on anyone, and the application developer then installs opentelemetry-sdk or another package that implements the API. Context propagation between services is handled separately through the propagator packages, covering tracecontext and correlationcontext.

Key capabilities

• opentelemetry-api supplies the abstract API surface and no-op implementations; opentelemetry-sdk supplies the reference implementation.
• Signal status is split: traces and metrics are stable, while logs are in development with expected deprecations and breaking changes.
• Exporter packages live under exporter/ and install individually with pip install opentelemetry-exporter-{exporter}.
• Propagator packages live under propagator/ and install individually with pip install opentelemetry-propagator-{propagator}.
• Covered signals and topics include distributed tracing, metrics, logging, tracecontext and correlationcontext.
• Python version policy tracks supported releases: minimum Python 3.10, new versions supported within three months of going stable, old versions dropped six months after end of life.
• Documentation publishes on Read the Docs, and the project holds an OpenSSF Best Practices badge.

Who uses it and how

• Library maintainers depend only on opentelemetry-api so their users choose the SDK, avoiding a forced backend dependency.
• Application developers install opentelemetry-sdk, or an alternative API implementation, and wire an exporter package to send telemetry to their chosen backend.
• Instrumentation authors and SDK developers absorb the log-signal deprecations and breaking changes as that signal stabilises.
• Services spanning multiple processes use the propagator packages to carry tracecontext and correlationcontext across call boundaries.

Getting started

Install the API and reference SDK from PyPI with pip install opentelemetry-api and pip install opentelemetry-sdk; exporters and propagators install separately per package. The getting-started guide lives at opentelemetry.io/docs/languages/python/getting-started/, with reference documentation on Read the Docs.

How it compares

The facts provided name no comparable or paid alternative products, so no contrast with commercial offerings is offered here on licence, hosting or cost grounds. Within this registry it stands alone as the Python implementation of the OpenTelemetry API and SDK, and no similar tool is named alongside it.

When to use it — and when not to

Pick it when Python services need vendor-neutral traces and metrics and the team is willing to own exporter configuration and the backend that receives the data, since this repository ships the API, SDK, exporters and propagators but not a storage or query layer. Avoid it for production log pipelines today: logs are still in development, deprecations and breaking changes are expected, and instrumentation and SDK code may need updates. The project also carries 425 open issues, and the README defers setup detail to external documentation rather than covering it inline.

pip install opentelemetry-api
pip install opentelemetry-sdk

pip install opentelemetry-exporter-{exporter}

pip install opentelemetry-propagator-{propagator}

pip install -e ./opentelemetry-api -e ./opentelemetry-sdk -e ./opentelemetry-semantic-conventions