# Arize AI vs ZenML

| Attribute | Arize AI | ZenML |
|---|---|---|
| **Vioscale score** | 70.5 (32% (low)) | 56 (58% (medium)) |
| activity.commits_last_30d | - | 23 |
| adoption.dependent_repos | - | 44 |
| adoption.github_stars | - | 5,564 |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | An AI engineering platform that enables teams to observe agent behavior end-to-end, run evaluations at scale, and systematically improve agents through testing and experimentation, available as both a managed cloud service and self-hosted deployment. | An MLOps framework that provides reproducible machine learning pipelines with automatic logging, versioning, and observability. Includes agent runtime capabilities (Kitaru) for building replayable agent workflows, deployable on your existing infrastructure without vendor lock-in. |
| features.capabilities | `{"role":"platform","evaluation":true,"managed_cloud":true,"self_hostable":true,"multi_provider":true,"vpc_deployment":true,"otel_compatible":true,"llm_observability":true,"prompt_management":true,"framework_agnostic":true,"experiment_tracking":true}` | `{"role":"platform","evaluation":true,"managed_cloud":true,"model_serving":true,"self_hostable":true,"vpc_deployment":true,"llm_observability":true,"framework_agnostic":true,"experiment_tracking":true}` |
| integrations.count | 25 | 6 |
| integrations.list | `[{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Azure OpenAI"},{"name":"AWS Bedrock"},{"name":"Vertex AI"},{"name":"Google GenAI"},{"name":"NVIDIA NIM"},{"name":"Gemini"},{"name":"OpenRouter"},{"name":"LiteLLM"},{"name":"Claude Code"},{"name":"Cursor"},{"name":"OpenCode"},{"name":"LangGraph"},{"name":"Vercel AI SDK"},{"name":"Mastra"},{"name":"CrewAI"},{"name":"LlamaIndex"},{"name":"DSPy"},{"name":"OpenAI Agents SDK"},{"name":"Claude Agent SDK"},{"name":"BigQuery"},{"name":"Databricks"},{"name":"Snowflake"},{"name":"OpenTelemetry"}]` | `[{"name":"Git"},{"name":"GitHub"},{"name":"GitLab"},{"name":"Kubernetes"},{"name":"Docker"},{"name":"Poetry"}]` |
| language.primary | - | Python |
| license.spdx | - | Apache-2.0 |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | - | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","summary":"Free, self-hosted","features":["Unlimited pipeline executions","Full orchestration capabilities","Automatic logging and versioning","No vendor lock-in"],"description":"Self-hosted open-source framework with unlimited deployments","contactSales":false},{"free":false,"name":"Pro","summary":"Pricing not publicly available","features":["Managed cloud hosting","Unified dashboard and observability","Advanced security controls","Enterprise integrations"],"description":"Managed cloud platform with professional features","contactSales":false}],"summary":"Free open-source tier. Paid ZenML Pro tier (details require account login)","freeTier":true,"sourceUrl":"https://www.zenml.io/blog/crewai-pricing","retrievedAt":"2026-08-14T09:25:30.580Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | - | free |
| pricing.transparent | - | no |
| release.cadence_days | - | 14 |
| release.history | - | `[{"url":"https://github.com/zenml-io/zenml/releases/tag/0.96.3","date":"2026-08-07T13:24:25Z","type":"stable","version":"0.96.3"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.96.2","date":"2026-07-17T11:21:15Z","type":"stable","version":"0.96.2"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.96.1","date":"2026-07-02T20:38:13Z","type":"stable","version":"0.96.1"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.96.0","date":"2026-07-02T12:52:05Z","type":"stable","version":"0.96.0"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.95.1","date":"2026-06-18T12:24:26Z","type":"stable","version":"0.95.1"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.95.0","date":"2026-06-17T15:08:22Z","type":"stable","version":"0.95.0"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.94.6","date":"2026-06-02T10:57:18Z","type":"stable","version":"0.94.6"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.94.5","date":"2026-05-29T10:10:53Z","type":"stable","version":"0.94.5"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.94.4","date":"2026-05-12T15:13:19Z","type":"stable","version":"0.94.4"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.94.3","date":"2026-04-24T13:55:54Z","type":"stable","version":"0.94.3"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.94.2","date":"2026-04-08T15:00:24Z","type":"stable","version":"0.94.2"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.94.1","date":"2026-03-19T17:11:55Z","type":"stable","version":"0.94.1"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.94.0","date":"2026-03-04T18:22:00Z","type":"stable","version":"0.94.0"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.93.3","date":"2026-02-19T09:59:12Z","type":"stable","version":"0.93.3"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.93.2","date":"2026-01-29T22:30:18Z","type":"stable","version":"0.93.2"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.93.1","date":"2026-01-14T09:20:00Z","type":"stable","version":"0.93.1"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.93.0","date":"2025-12-16T09:19:32Z","type":"stable","version":"0.93.0"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.92.0","date":"2025-12-02T06:42:19Z","type":"stable","version":"0.92.0"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.91.2","date":"2025-11-19T06:31:25Z","type":"stable","version":"0.91.2"},{"url":"https://github.com/zenml-io/zenml/releases/tag/0.91.1","date":"2025-11-11T12:43:05Z","type":"stable","version":"0.91.1"}]` |
| reliability.status_page | yes | yes |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | yes |
| security.pci | yes | - |
| security.scorecard | - | 6.8 |
| security.soc2 | yes | yes |
| security.vulnerabilities | - | `{"count":14,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=zenml&per_page=100","last_12m":1,"max_severity":"CRITICAL"}` |

## Capabilities (MLOps & LLMOps Tools)

| Capability | Arize AI | ZenML |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | End-to-end ML platform | End-to-end ML platform |
| **Deployment** |  |  |
| Self-hostable / OSS core | ✓ | ✓ |
| Managed cloud available | ✓ | ✓ |
| On-prem / VPC deployment | ✓ | ✓ |
| **Observability** |  |  |
| LLM tracing / observability | ✓ | ✓ |
| Evaluation (offline / LLM-judge / human) | ✓ | ✓ |
| **Dev** |  |  |
| Prompt management + versioning | ✓ | - |
| **Tracking** |  |  |
| Experiment tracking / model registry | ✓ | ✓ |
| **Serving** |  |  |
| Model serving / inference endpoint | - | ✓ |
| **Interop** |  |  |
| OpenTelemetry / OpenLLMetry compatible | ✓ | - |
| Framework-agnostic | ✓ | ✓ |
| **Gateway** |  |  |
| Multi-provider model support | ✓ | - |
| **Data** |  |  |
| No-train-on-customer-data guarantee | - | - |

*Source: Vioscale. Generated 2026-09-01T16:59:58.146Z. "-" = undocumented, not absent.*