# DSPy vs Langfuse

**Leader by vioscaleAI score:** Langfuse

| Attribute | DSPy | Langfuse |
|---|---|---|
| **vioscaleAI score** | 54.1 (58% (medium)) | 66.4 (56% (medium)) |
| activity.commits_last_30d | 67 | 100 |
| adoption.dependent_repos | 3 | 0 |
| adoption.github_stars | 38,644 | 35,781 |
| adoption.package_downloads_weekly | 93,838 | 6,493,381 |
| content.faq | `[{"answer":"A Python framework for developing AI applications through declarative components and modular patterns, with built-in optimization that automatically tunes system performance against defined metrics. It is indexed under MLOps & LLMOps Tools.","source":"https://dspy.ai","question":"What is DSPy?","confidence":0.6},{"answer":"DSPy is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://dspy.ai","question":"Is DSPy free to use?","confidence":0.6},{"answer":"DSPy supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://dspy.ai","question":"What platforms does DSPy support?","confidence":0.6},{"answer":"Yes. DSPy can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://dspy.ai","question":"Can DSPy be self-hosted?","confidence":0.6},{"answer":"Yes. DSPy is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/stanfordnlp/dspy","question":"Is DSPy open source?","confidence":0.67},{"answer":"DSPy is available worldwide. The vendor is headquartered in the United States.","source":"https://dspy.ai","question":"Where is DSPy available?","confidence":0.75}]` | `[{"answer":"A comprehensive observability and development platform that combines tracing, prompt management, evaluation, and experimentation, enabling teams to understand LLM behavior in production and ship improved applications with confidence It is indexed under MLOps & LLMOps Tools.","source":"https://langfuse.com/changelog/2025-08-08-openai-pricing-availability","question":"What is Langfuse?","confidence":0.6},{"answer":"Langfuse is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Paid editions are also offered: Core and Enterprise, priced on request. Pricing changes often, so verify at source before relying on it.","source":"https://langfuse.com/changelog/2025-08-08-openai-pricing-availability","question":"Is Langfuse free to use?","confidence":0.6},{"answer":"Langfuse supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://langfuse.com/changelog/2025-08-08-openai-pricing-availability","question":"What platforms does Langfuse support?","confidence":0.6},{"answer":"Yes. Langfuse can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://langfuse.com/changelog/2025-08-08-openai-pricing-availability","question":"Can Langfuse be self-hosted?","confidence":0.6},{"answer":"We have confirmed 21 integrations for Langfuse, including LangChain, Vercel AI SDK, LiteLLM, Pydantic AI, Google ADK, CrewAI, LiveKit and Haystack, plus 13 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://langfuse.com/changelog/2025-08-08-openai-pricing-availability","question":"What does Langfuse integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Langfuse. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Langfuse not holding them. Always confirm compliance directly before you rely on it.","source":"https://langfuse.com","question":"What security certifications does Langfuse have?","confidence":0.48},{"answer":"Yes. Langfuse is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://www.npmjs.com/package/langfuse","question":"Is Langfuse open source?","confidence":0.85}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Framework enabling developers to construct AI systems using typed task definitions and modular components, with automatic optimization replacing manual prompt design. | A comprehensive observability and development platform that combines tracing, prompt management, evaluation, and experimentation, enabling teams to understand LLM behavior in production and ship improved applications with confidence |
| features.capabilities | `{"role":"framework","evaluation":true,"managed_cloud":false,"model_serving":false,"self_hostable":true,"multi_provider":true,"vpc_deployment":true,"otel_compatible":false,"no_train_on_data":"unknown","llm_observability":true,"prompt_management":true,"framework_agnostic":true,"experiment_tracking":false}` | `{"role":"observability","evaluation":true,"managed_cloud":true,"model_serving":false,"pricing_model":"free_open_source","self_hostable":true,"multi_provider":true,"vpc_deployment":true,"otel_compatible":true,"llm_observability":true,"prompt_management":true,"architecture_model":"open_source_self_hosted","framework_agnostic":true,"experiment_tracking":true,"token_cost_and_latency_waterfall_charts":true,"prompt_playground_and_in_dashboard_replay":true,"multi_step_agentic_workflow_distributed_tracing":true,"opentelemetry_openllmetry_native_export_support":true,"user_feedback_score_api_for_thumbs_up_down_tags":true,"native_integration_with_langchain_and_llamaindex":true}` |
| integrations.count | 1 | 100 |
| integrations.list | `[{"name":"OpenAI"},{"name":"Anthropic"}]` | `[{"name":"LangChain"},{"name":"Vercel AI SDK"},{"name":"LiteLLM"},{"name":"Pydantic AI"},{"name":"Google ADK"},{"name":"CrewAI"},{"name":"LiveKit"},{"name":"Haystack"},{"name":"LlamaIndex"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Amazon Bedrock"},{"name":"Azure OpenAI"},{"name":"Mistral AI"},{"name":"Google Gemini"},{"name":"xAI"},{"name":"vLLM"},{"name":"Groq"},{"name":"OpenAI SDK"},{"name":"Cohere"},{"name":"Elasticsearch"},{"name":"OpenSearch"},{"name":"Hugging Face"},{"name":"OpenTelemetry","native":true,"category":"observability","direction":"bidirectional"}]` |
| language.primary | Python | TypeScript |
| license.spdx | MIT | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://dspy.ai","retrievedAt":"2026-08-14T09:24:32.180Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Hobby"},{"free":false,"name":"Core"},{"free":false,"name":"Enterprise"}],"summary":"Multiple tiers available; specific pricing not shown in provided text","freeTier":true,"sourceUrl":"https://langfuse.com/changelog/2025-08-08-openai-pricing-availability","retrievedAt":"2026-08-13T09:38:11.860Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | free |
| pricing.transparent | yes | no |
| release.cadence_days | 17 | - |
| release.history | `[{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.4.1","date":"2026-10-12T23:12:32Z","type":"stable","version":"3.4.1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.4.0","date":"2026-09-25T04:06:22Z","type":"stable","version":"3.4.0"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.4.0b1","date":"2026-09-11T22:24:51Z","type":"prerelease","version":"3.4.0b1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.3.1","date":"2026-08-21T23:07:09Z","type":"stable","version":"3.3.1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.3.0","date":"2026-08-03T20:06:03Z","type":"stable","version":"3.3.0"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.3.0b1","date":"2026-05-28T01:11:39Z","type":"prerelease","version":"3.3.0b1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.2.1","date":"2026-05-05T19:37:48Z","type":"stable","version":"3.2.1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.2.0","date":"2026-04-21T17:17:03Z","type":"stable","version":"3.2.0"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.1.3","date":"2026-02-05T16:18:52Z","type":"stable","version":"3.1.3"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.1.2","date":"2026-01-19T14:16:35Z","type":"stable","version":"3.1.2"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.1.1","date":"2026-01-19T02:30:49Z","type":"stable","version":"3.1.1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.1.0","date":"2026-01-06T18:48:05Z","type":"stable","version":"3.1.0"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.1.0b1","date":"2025-11-18T00:26:51Z","type":"prerelease","version":"3.1.0b1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.0.4","date":"2025-11-10T17:41:17Z","type":"stable","version":"3.0.4"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.0.4b2","date":"2025-10-21T23:30:37Z","type":"prerelease","version":"3.0.4b2"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.0.4b1","date":"2025-09-29T10:48:42Z","type":"prerelease","version":"3.0.4b1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.0.3","date":"2025-08-31T18:47:21Z","type":"stable","version":"3.0.3"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.0.2","date":"2025-08-22T11:14:18Z","type":"stable","version":"3.0.2"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.0.1","date":"2025-08-14T17:36:58Z","type":"stable","version":"3.0.1"},{"url":"https://github.com/stanfordnlp/dspy/releases/tag/3.0.0","date":"2025-08-12T21:02:50Z","type":"stable","version":"3.0.0"}]` | `[{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.58.0","date":"2026-10-13T07:05:09Z","type":"stable","version":"v4.58.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.57.0","date":"2026-10-12T17:20:29Z","type":"stable","version":"v4.57.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v3.225.12","date":"2026-10-12T21:43:09Z","type":"stable","version":"v3.225.12"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.56.0","date":"2026-10-09T10:13:50Z","type":"stable","version":"v4.56.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.55.0","date":"2026-10-08T13:36:14Z","type":"stable","version":"v4.55.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.54.0","date":"2026-10-07T08:55:56Z","type":"stable","version":"v4.54.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.53.0","date":"2026-10-06T12:27:00Z","type":"stable","version":"v4.53.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.52.0","date":"2026-10-06T08:07:37Z","type":"stable","version":"v4.52.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.51.0","date":"2026-10-05T15:47:49Z","type":"stable","version":"v4.51.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.50.0","date":"2026-10-02T10:13:55Z","type":"stable","version":"v4.50.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.49.0","date":"2026-10-01T09:58:56Z","type":"stable","version":"v4.49.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.48.0","date":"2026-09-30T10:12:22Z","type":"stable","version":"v4.48.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.47.0","date":"2026-09-29T08:25:01Z","type":"stable","version":"v4.47.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.46.0","date":"2026-09-25T14:20:07Z","type":"stable","version":"v4.46.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.45.4","date":"2026-09-25T09:41:43Z","type":"stable","version":"v4.45.4"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.45.3","date":"2026-09-25T09:19:59Z","type":"stable","version":"v4.45.3"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.45.2","date":"2026-09-24T19:16:32Z","type":"stable","version":"v4.45.2"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.45.1","date":"2026-09-24T12:53:12Z","type":"stable","version":"v4.45.1"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.45.0","date":"2026-09-24T12:15:42Z","type":"stable","version":"v4.45.0"},{"url":"https://github.com/langfuse/langfuse/releases/tag/v4.44.0","date":"2026-09-24T09:07:02Z","type":"stable","version":"v4.44.0"}]` |
| reliability.status_page | yes | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |
| security.trust_center | - | https://langfuse.com/docs/security-and-guardrails |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=dspy&per_page=100","last_12m":1,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=rock8s%2Flangfuse&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (MLOps & LLMOps Tools)

| Capability | DSPy | Langfuse |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | Agent / RAG framework | LLM observability / eval |
| **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: vioscaleAI. Generated 2026-10-16T20:45:05.829Z. "-" = undocumented, not absent.*
