# Arize Phoenix vs Braintrust

| Attribute | Arize Phoenix | Braintrust |
|---|---|---|
| **vioscaleAI score** | 53.7 (51% (medium)) | 54.8 (31% (low)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 11,858 | - |
| content.faq | `[{"answer":"Phoenix provides OpenTelemetry-based instrumentation for LLM applications, AI-powered evaluation of model outputs and retrieval quality, and systematic prompt management with versioning. It supports both self-hosted and cloud deployment and integrates with major LLM frameworks and development tools. It is indexed under Llm Observability.","source":"https://phoenix.arize.com","question":"What is Arize Phoenix?","confidence":0.6},{"answer":"Yes. Arize Phoenix can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://phoenix.arize.com","question":"Can Arize Phoenix be self-hosted?","confidence":0.6},{"answer":"We have confirmed 8 integrations for Arize Phoenix, including LlamaIndex, OpenAI, Anthropic, AWS Bedrock, Vertex AI, Claude Code, Cursor and OpenLLMetry. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://phoenix.arize.com","question":"What does Arize Phoenix integrate with?","confidence":0.6}]` | `[{"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}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"hybrid":true}` |
| description.long | A self-hosted platform that traces and evaluates language model application behavior using OpenTelemetry instrumentation, enabling teams to debug, optimize, and monitor LLM performance. | 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. |
| features.capabilities | `{"pricing_model":"free_open_source","architecture_model":"open_source_self_hosted","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,"opentelemetry_openllmetry_native_export_support":true,"native_integration_with_langchain_and_llamaindex":true}` | `{"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}` |
| integrations.count | 11 | 3 |
| integrations.list | `[{"name":"LlamaIndex"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"AWS Bedrock"},{"name":"Vertex AI"},{"name":"Claude Code"},{"name":"Cursor"},{"name":"OpenLLMetry"},{"name":"OpenTelemetry","native":true},{"name":"OpenInference"},{"name":"Gemini","native":true,"category":"llm"},{"name":"Google Vertex AI","native":true},{"name":"Google Gemini","native":true},{"name":"Together AI","native":true},{"name":"Fireworks","native":true},{"name":"NVIDIA NIM","native":true},{"name":"LiteLLM","native":true},{"name":"LangChain","native":true},{"name":"Traceloop","native":true}]` | `[{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Google"}]` |
| language.primary | Python | - |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","summary":"Open-source and free","freeTier":true,"sourceUrl":"https://phoenix.arize.com","retrievedAt":"2026-09-13T20:03:21.729Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | - |
| pricing.price_level | free | - |
| release.history | `[{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.22.0","date":"2026-10-15T07:02:33Z","type":"stable","version":"arize-phoenix-v20.22.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.21.4","date":"2026-10-14T16:12:17Z","type":"stable","version":"arize-phoenix-v20.21.4"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.21.3","date":"2026-10-14T03:38:44Z","type":"stable","version":"arize-phoenix-v20.21.3"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.21.2","date":"2026-10-13T16:04:09Z","type":"stable","version":"arize-phoenix-v20.21.2"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.21.1","date":"2026-10-12T21:09:18Z","type":"stable","version":"arize-phoenix-v20.21.1"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-sqlean-v0.2.0","date":"2026-10-13T03:17:51Z","type":"stable","version":"arize-phoenix-sqlean-v0.2.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.21.0","date":"2026-10-11T14:23:03Z","type":"stable","version":"arize-phoenix-v20.21.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-evals-v3.9.2","date":"2026-10-09T15:27:08Z","type":"stable","version":"arize-phoenix-evals-v3.9.2"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-mcp%404.3.16","date":"2026-10-09T22:00:58Z","type":"stable","version":"@arizeai/phoenix-mcp@4.3.16"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-client%407.16.1","date":"2026-10-09T22:00:52Z","type":"stable","version":"@arizeai/phoenix-client@7.16.1"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-cli%401.18.8","date":"2026-10-09T22:00:55Z","type":"stable","version":"@arizeai/phoenix-cli@1.18.8"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.20.0","date":"2026-10-09T00:35:00Z","type":"stable","version":"arize-phoenix-v20.20.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-evals-v3.9.1","date":"2026-10-08T03:15:45Z","type":"stable","version":"arize-phoenix-evals-v3.9.1"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.19.0","date":"2026-10-01T22:59:10Z","type":"stable","version":"arize-phoenix-v20.19.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.18.0","date":"2026-09-30T23:04:10Z","type":"stable","version":"arize-phoenix-v20.18.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.17.0","date":"2026-09-30T22:10:01Z","type":"stable","version":"arize-phoenix-v20.17.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-mcp%404.3.15","date":"2026-09-30T23:35:39Z","type":"stable","version":"@arizeai/phoenix-mcp@4.3.15"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-client%407.16.0","date":"2026-09-30T23:35:33Z","type":"stable","version":"@arizeai/phoenix-client@7.16.0"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-cli%401.18.7","date":"2026-09-30T23:35:36Z","type":"stable","version":"@arizeai/phoenix-cli@1.18.7"},{"url":"https://github.com/Arize-ai/phoenix/releases/tag/%40arizeai/phoenix-mcp%404.3.14","date":"2026-09-29T19:17:12Z","type":"stable","version":"@arizeai/phoenix-mcp@4.3.14"}]` | - |
| reliability.status_page | - | yes |
| security.certifications | - | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.pci | - | yes |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40arizeai%2Fphoenix-config&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Llm Observability)

| Capability | Arize Phoenix | Braintrust |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Open source self hosted | Managed cloud saas |
| Token cost and latency waterfall charts | ✓ | ✓ |
| Opentelemetry openllmetry native export support | ✓ | - |
| Prompt playground and in dashboard replay | ✓ | ✓ |
| Multi step agentic workflow distributed tracing | ✓ | ✓ |
| User feedback score API for thumbs up down tags | - | - |
| Pii redaction and prompt content masking | - | - |
| Production ab testing of system prompts | ✓ | ✓ |
| Automated anomaly detection for rate limits | - | - |
| Native integration with langchain and llamaindex | ✓ | - |
| SOC2 type ii | - | ✓ |
| Mit or apache permissive oss license | - | - |
| Pricing model | Free open source | - |

*Source: vioscaleAI. Generated 2026-10-16T18:28:58.721Z. "-" = undocumented, not absent.*