# LangChain vs ZenML

**Leader by Vioscale score:** LangChain

| Attribute | LangChain | ZenML |
|---|---|---|
| **Vioscale score** | 80.7 (70% (medium)) | 56 (58% (medium)) |
| activity.commits_last_30d | 100 | 23 |
| adoption.dependent_repos | 18,663 | 44 |
| adoption.github_stars | 145,063 | 5,564 |
| adoption.package_downloads_weekly | 2,967,570 | - |
| deployment.options | `{"cloud":true,"hybrid":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | LangSmith provides observability through tracing to debug agent behavior, evaluation capabilities to test and score agents with human review and automated assessments, and deployment services to run agents at scale. | 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":"observability","evaluation":true,"a2a_support":true,"mcp_support":true,"open_source":true,"managed_cloud":true,"model_serving":true,"pricing_model":"usage-based-saas","self_hostable":true,"multi_provider":true,"vpc_deployment":true,"otel_compatible":true,"deployment_model":"managed-platform","no_train_on_data":"unknown","streaming_output":true,"human_in_the_loop":true,"llm_observability":true,"prompt_management":true,"framework_agnostic":true,"multi_language_sdk":true,"memory_architecture":"persistent","orchestration_model":"multi-agent-sequential","tool_function_calling":true,"code_execution_sandbox":true,"model_provider_agnostic":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 | 1,000 | 6 |
| integrations.list | `[{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Cohere"},{"name":"Google"},{"name":"Azure OpenAI"},{"name":"Azure AI Search"},{"name":"Microsoft Fabric"},{"name":"Azure Kubernetes Service"},{"name":"OpaquePrompts"}]` | `[{"name":"Git"},{"name":"GitHub"},{"name":"GitLab"},{"name":"Kubernetes"},{"name":"Docker"},{"name":"Poetry"}]` |
| language.primary | Python | Python |
| license.spdx | MIT | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Developer","summary":"Free tier: 1 seat, 5k traces/month","features":["1 free seat","5k base traces/month","Tracing and analytics","Access to LangSmith platform"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Personal projects and single-seat usage","contactSales":false,"includedLimits":{"traces":"5k/month"}},{"free":false,"name":"Plus","summary":"$39/seat/month + usage (LCU/LSU), 10k traces included, 1 free small deployment","features":["Unlimited seats","10k base traces/month","1 free small serverless deployment","Full tracing and analytics","Evaluation tools"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"seat","amount":39,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"LCU"},"kind":"metered","amount":1.5,"currency":"USD"},{"per":{"qty":1,"unit":"LSU"},"kind":"metered","amount":1,"currency":"USD"}],"description":"Teams with moderate usage and collaboration requirements","contactSales":false,"includedLimits":{"traces":"10k/month","serverless_deployments":"1 small free"}},{"free":false,"name":"Enterprise","summary":"Custom pricing, annual billing, includes premium support and white-glove onboarding","features":["Advanced administration","Dedicated support","Custom deployments","White-glove onboarding","Proactive monitoring","Premium SLA"],"commitment":"annual","description":"Advanced security, support, and custom deployment options","contactSales":true}],"addOns":[{"name":"Additional Serverless/Dedicated Deployments"}],"summary":"Free Developer plan (5k traces). Plus plan $39/seat/month. Enterprise custom. Usage-based pricing for compute (LCU=$1.50) and storage (LSU=$1.00).","currency":"USD","freeTier":true,"sourceUrl":"https://www.langchain.com/pricing","retrievedAt":"2026-08-21T12:42:05.738Z","startingPrice":{"unit":"seat","amount":39,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"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 | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | mid | free |
| pricing.starting_price | `{"amount":39,"currency":"USD"}` | - |
| pricing.transparent | yes | no |
| release.cadence_days | - | 14 |
| release.history | `[{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.3.17","date":"2026-08-25T02:40:53Z","type":"stable","version":"langchain==1.3.17"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-perplexity%3D%3D1.4.1","date":"2026-08-21T14:08:45Z","type":"stable","version":"langchain-perplexity==1.4.1"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.3.16","date":"2026-08-20T14:35:30Z","type":"stable","version":"langchain==1.3.16"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-fireworks%3D%3D1.6.0","date":"2026-08-20T17:47:18Z","type":"stable","version":"langchain-fireworks==1.6.0"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-anthropic%3D%3D1.6.1","date":"2026-08-20T14:06:49Z","type":"stable","version":"langchain-anthropic==1.6.1"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-openai%3D%3D1.6.0","date":"2026-08-19T21:45:02Z","type":"stable","version":"langchain-openai==1.6.0"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.6.0","date":"2026-08-19T15:55:57Z","type":"stable","version":"langchain-core==1.6.0"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-anthropic%3D%3D1.6.0","date":"2026-08-19T21:39:54Z","type":"stable","version":"langchain-anthropic==1.6.0"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-openai%3D%3D1.5.2a1","date":"2026-08-18T01:51:38Z","type":"stable","version":"langchain-openai==1.5.2a1"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-openai%3D%3D1.5.2","date":"2026-08-18T17:38:11Z","type":"stable","version":"langchain-openai==1.5.2"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.5.6","date":"2026-08-17T21:26:47Z","type":"stable","version":"langchain-core==1.5.6"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-openrouter%3D%3D0.2.8","date":"2026-08-14T19:03:45Z","type":"stable","version":"langchain-openrouter==0.2.8"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-openai%3D%3D1.5.1","date":"2026-08-14T15:47:44Z","type":"stable","version":"langchain-openai==1.5.1"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.5.5","date":"2026-08-14T18:56:41Z","type":"stable","version":"langchain-core==1.5.5"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-openai%3D%3D1.5.0","date":"2026-08-13T13:15:00Z","type":"stable","version":"langchain-openai==1.5.0"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-anthropic%3D%3D1.5.6","date":"2026-08-13T02:31:03Z","type":"stable","version":"langchain-anthropic==1.5.6"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.3.15","date":"2026-08-11T19:11:09Z","type":"stable","version":"langchain==1.3.15"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.5.4","date":"2026-08-11T18:03:10Z","type":"stable","version":"langchain-core==1.5.4"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-anthropic%3D%3D1.5.5","date":"2026-08-11T19:16:55Z","type":"stable","version":"langchain-anthropic==1.5.5"},{"url":"https://github.com/langchain-ai/langchain/releases/tag/langchain-openai%3D%3D1.4.3","date":"2026-08-10T13:23:34Z","type":"stable","version":"langchain-openai==1.4.3"}]` | `[{"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.sla_pct | 99.5 | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | yes |
| security.scorecard | 5.9 | 6.8 |
| security.soc2 | yes | yes |
| security.vulnerabilities | `{"count":21,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langchain&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` | `{"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 | LangChain | ZenML |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | LLM observability / eval | 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 | Unknown | - |

*Source: Vioscale. Generated 2026-09-01T17:16:07.935Z. "-" = undocumented, not absent.*