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MLflow Tracing vs VoltOps

MLflow Tracing

mlflow.org

VoltOps

voltagent.dev

Side by side

FigureMLflow TracingVoltOps
Price fromFree$50/mo
Free planYesYes
Free trial—Yes
Open sourceYes—
WebYesYes
LinuxYes—
APIYesYes
Self-hostedYesYes
Plans published14
Spec score · AI Agent Observability Tools8.4 (#10)7.7 (#27)
MakerThe MLflow project is developed at Databricks, according to TrustRadius.The pricing page identifies the maker as VoltAgent Inc.
Self-hostingThe repository's setup instructions show starting an MLflow server locally and connecting tracing to it.The Enterprise plan includes self-hosted deployment, with customer data remaining in the customer's infrastructure.

Plans

MLflow Tracing

  • MLflow TracingFree

MLflow Tracing pricing →

VoltOps

  • DeveloperFree
  • Core$50 a month
  • Pro$250 a month
  • EnterprisePriced on request

VoltOps pricing →

In their own words

MLflow Tracing

MLflow Tracing has no write-up on Specifiction yet; its figures are above.

Visit mlflow.org

VoltOps

VoltOps is a console for observing, automating, evaluating, deploying, and managing AI agents, with prompt management and guardrails. It traces LLM calls, tool executions, and agent interactions, with session replay and payload inspection. Alerts can cover latency, errors, and token usage, with notifications through Slack, email, or webhooks. Evaluation tools include reusable datasets, queued parallel test cases, multiple scorers, and comparisons across runs. Prompt management versions edits, supports rollback and promotion to staging or production, and handles JSON import and export. Automation provides actions for Airtable, Discord, and Gmail, plus triggers for Slack messages, Gmail emails, GitHub webhooks, and Airtable updates. RAG supports document uploads, Notion syncing, and website crawling without setting up a vector database. Deployment includes custom domains, SSL provisioning and renewal, real-time logs, and HTTP Basic Auth. The Developer plan costs nothing and includes one seat, project, and prompt, plus 250 traces per month and seven days of retention. Core costs $50 a month; Pro costs $250 a month. Both include a 14-day free trial. Enterprise pricing is custom and includes self-hosted deployment.

Visit voltagent.dev