# Braintrust vs Langfuse

**Leader by vioscaleAI score:** Langfuse

| Attribute | Braintrust | Langfuse |
|---|---|---|
| **vioscaleAI score** | 54.8 (31% (low)) | 66.4 (56% (medium)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 35,781 |
| adoption.package_downloads_weekly | - | 6,493,381 |
| content.faq | `[{"answer":"Enables teams to observe AI agent behavior in production, automatically identify improvement opportunities, and iteratively enhance agent quality through experimentation and LLM-based evaluation. It is indexed under MLOps & LLMOps Tools.","source":"https://braintrust.dev","question":"What is Braintrust?","confidence":0.6},{"answer":"We have confirmed browser-based access to Braintrust. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://braintrust.dev","question":"What platforms does Braintrust support?","confidence":0.6},{"answer":"Yes. Braintrust can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://braintrust.dev","question":"Can Braintrust be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Braintrust, including OpenAI, Anthropic and Google. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://braintrust.dev","question":"What does Braintrust integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Braintrust. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Braintrust not holding them. Always confirm compliance directly before you rely on it.","source":"https://braintrust.dev","question":"What security certifications does Braintrust have?","confidence":0.6}]` | `[{"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 | `{"cloud":true,"hybrid":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Braintrust provides real-time observability for AI agents in production. It enables teams to inspect traces and tool calls, automatically discover patterns and issues, run experiments to evaluate quality, and continuously iterate on agent performance. | 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":"observability","evaluation":true,"soc2_type_ii":true,"managed_cloud":true,"model_serving":false,"self_hostable":true,"multi_provider":true,"vpc_deployment":true,"no_train_on_data":"unknown","llm_observability":true,"prompt_management":true,"architecture_model":"managed_cloud_saas","framework_agnostic":true,"experiment_tracking":true,"production_ab_testing_of_system_prompts":true,"token_cost_and_latency_waterfall_charts":true,"prompt_playground_and_in_dashboard_replay":true,"multi_step_agentic_workflow_distributed_tracing":true}` | `{"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 | 3 | 100 |
| integrations.list | `[{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Google"}]` | `[{"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 | - | TypeScript |
| license.spdx | - | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | - | `{"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 |
| pricing.model | - | freemium |
| pricing.price_level | - | free |
| pricing.transparent | - | no |
| release.history | - | `[{"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.certifications | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.iso27001 | - | yes |
| security.pci | yes | - |
| security.soc2 | yes | yes |
| security.trust_center | - | https://langfuse.com/docs/security-and-guardrails |
| security.vulnerabilities | - | `{"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 | Braintrust | Langfuse |
|---|:--:|:--:|
| **Core** |  |  |
| Tool role | LLM observability / eval | 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 2026-10-16T19:58:32.448Z. "-" = undocumented, not absent.*