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 8 (Pre-release)
Comprehensive SDK for the entire Arize platform. Includes LLM tracing, experiments, datasets, and ML monitoring with enhanced customization and modern interfaces. Recommended for new projects.
Version 7
Stable release supporting LLM tracing and traditional ML monitoring.
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 |