Python SDK API Reference
Complete version-specific reference documentation. It includes class and method
signatures, parameter descriptions, return types, code examples, etc.
What You Can Do
- LLM Observability: Trace and evaluate LLM applications using OpenTelemetry-based instrumentation
- Experimentation: Create datasets, run experiments, and track model performance
- Evaluation: Analyze and improve model quality with automated evaluation frameworks
- ML Monitoring: Log predictions and actuals for traditional ML models (classification, regression, ranking, etc.)
Choose Your Version
Version Support
The following table shows the support timeline for each major version of the Arize Python SDK:| Major Release | First Released | Latest | Support |
|---|---|---|---|
| 8.x | February, 2026 | latest | Ends June 1st, 2029 |
| 7.x | June, 2023 | 7.52.0 | Ends March 1st, 2027 |
| 6.x | January, 2023 | 6.1.3 | ❌ June 1st, 2025 |
| 5.x | August, 2022 | 5.5.0 | ❌ November 1st, 2024 |
| 4.x | March, 2022 | 4.2.2 | ❌ June 1st, 2024 |
| 3.x | September, 2021 | 3.4.0 | ❌ April 1st, 2024 |
| 2.x | March, 2021 | 2.2.1 | ❌ July 1st, 2023 |
| 1.x | July, 2020 | 1.2.1 | ❌ March 1st, 2022 |
| 0.x | March, 2020 | 0.0.20 | ❌ March 1st, 2022 |