Langfuse
8.2#1 in prompting toolFrom $29 a monthFree planWebAPILinuxSelf-hosted
VisitLangfuse vs VoltOps
What both publish
| Fact | Langfuse | VoltOps |
|---|---|---|
| Evaluations | Evaluation supports LLM-as-a-Judge, heuristic or code evaluators, human review, annotation queues, and scoring of production data or experiments. | Evals supports reusable evaluation datasets, queued parallel test cases, multiple scorers, and comparison of results across runs. |
| Product | Langfuse is an open-source AI engineering platform that helps teams collaboratively debug, analyze, and iterate on AI agent applications. | VoltOps is a console for AI agent observability, automation, deployment, evaluations, guardrails, and prompt management. |
| Prompt management | Prompt Management provides versioning, one-click deployments, rollbacks, prompt labels, and per-version performance metrics. | Prompt management versions edits, supports rollback and promotion to staging or production, and allows JSON import and export. |
| Security | Langfuse reports annual SOC 2 Type II and ISO 27001 audits, external penetration tests, encryption, access controls, GDPR compliance, and a HIPAA-ready region. | VoltAgent says its cloud data is stored in SOC 2 compliant data centers with encryption at rest and in transit. |
| Self-hosting | The OSS edition can be deployed with Docker Compose, Kubernetes Helm, or Terraform guides for AWS, GCP, and Azure, including offline or air-gapped installations. | The Enterprise plan includes self-hosted deployment, with customer data remaining in the customer's infrastructure. |
Langfuse plans
- HobbyFree
- Core$29 a month
- Pro$199 a month
- Teams Add-on$300 a month
- Enterprise$2,499 a month
VoltOps plans
- DeveloperFree
- Core$50 a month
- Pro$250 a month
- EnterprisePriced on request
Pick Langfuse if…
Langfuse suits teams building AI agent applications that need tracing, prompt management, and evaluation tools. It also supports teams that want to self-host the core on their own infrastructure.
Pick VoltOps if…
VoltOps may suit teams that need to monitor, evaluate, automate, and deploy AI agents. The plan descriptions position Core for small teams and production, Pro for larger teams with advanced needs, and Enterprise for large-scale deployments.