Alternatives to MLflow

3 editor-selected alternatives · MLflow overview →

source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order

A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.

Steel

open sourcefreemiumexplicit relation

Steel is an open-source browser API purpose-built for AI agents, providing managed headless browser sessions with anti-bot bypass, proxy rotation, CAPTCHA solving, and session persistence. It handles the infrastructure layer that browser automation agents like Browser Use and Stagehand run on top of. Self-hostable or available as a cloud service. Over 6,000 GitHub stars.

Open-source browser sandbox (Apache-2.0) with $0 self-hosted deployment. Steel Cloud offers a Free tier with 100 browser hours/month ($30 starting credits). Paid usage is metered at ~$0.08/browser hour, with CAPTCHA solving starting at $1/1k solves and residential proxy bandwidth from $6/GB. Enterprise plans provide dedicated infrastructure, custom concurrency limits, and 24/7 SLA.

Trigger.dev

85/100open sourcefreemiumexplicit relation

Trigger.dev is an open-source platform for building and deploying background jobs, AI agents, and long-running workflows in TypeScript. It eliminates serverless timeouts with durable task execution, automatic retries, queue-based concurrency control, and elastic scaling. Used by 30,000+ developers at companies like MagicSchool and Icon.com, it processes hundreds of millions of agent runs monthly. Backed by a $16M Series A led by Dalton Caldwell's Standard Capital fund.

Trigger.dev offers a free tier with 10 concurrent runs and no task timeouts. Paid cloud tiers include Hobby at $10/month (25 concurrent runs, 100 schedules, 7-day logs), Pro at $50/month (100+ concurrency, 1,000 schedules, 30-day logs), and custom Enterprise plans with RBAC, SSO, and SOC 2 compliance.Review →

Braintrust

86/100freemiumexplicit relation

Braintrust is an AI observability and evaluation platform for tracing LLM applications, building datasets, running prompt/model experiments, scoring outputs and turning production feedback into regression tests. It fits teams that need repeatable quality gates for AI releases rather than one-off prompt demos.

Starter plan is free with unlimited users, $10 in credits, 1 GB data ingestion, 10,000 scores, and 14-day retention. Pro plan is $249/month including $249 in credits, 5 GB data ingestion, 50,000 scores, 30-day retention, and RBAC ($3/GB data and $1.50/1k score overages). Enterprise plan offers custom data retention, VPC/on-premise self-hosted options, and dedicated SLAs.Review →

Open-source MLflow alternatives

Steel, Trigger.dev — see all open-source developer tools.

Free MLflow alternatives

Steel, Trigger.dev, Braintrust offer a free plan or free tier.

More AI Monitoring & Observability tools

same category, not editor-selected alternatives — see how MLflow compares →

OpenLITOpenLIT is an open-source AI engineering platform that provides OpenTelemetry-native observability for LLM applications. It combines distributed tracing, evaluation, prompt management, a secrets vault, and GPU telemetry in a single self-hostable stack. With 50+ integrations across LLM providers and frameworks, it lets teams monitor AI applications using their existing observability backends like Grafana, Datadog, or Jaeger.CiliumCilium is a CNCF Graduated, Apache-2.0 project for Kubernetes networking, security, and observability using eBPF. It can replace kube-proxy, enforce identity-aware L3-L7 network policies, and add Hubble flow observability plus Tetragon runtime-security signals. Current source checks support GKE Dataplane V2 using Cilium/eBPF and Azure CNI Powered by Cilium for AKS.OrbStackOrbStack is a macOS application that replaces Docker Desktop with lightweight container and Linux VM management. Its docs emphasize fast starts, lower CPU and memory overhead, and native macOS integration with menu bar controls, file sharing, and network access to containers by name, with exact gains depending on workload. Supports Docker, Kubernetes, and full Linux VMs.RayRay is an open-source distributed computing framework built for scaling AI and Python applications from a laptop to thousands of GPUs. It provides libraries for distributed training, hyperparameter tuning, model serving, reinforcement learning, and data processing under a single unified API. Ray's public site highlights OpenAI and other enterprise users. Maintained by Anyscale with Apache-2.0 open-source licensing.ActAct is an open-source tool that runs GitHub Actions workflows locally using Docker containers that match GitHub's execution environment. It provides instant feedback on workflow changes without pushing to a repository, supports matrix builds, secret management, and artifact handling. Act can also replace Makefiles by using workflow files as task definitions, making it useful for both CI/CD development and local task automation across development teams.ClerkClerk is a complete authentication and user management platform for React, Next.js, and modern JavaScript frameworks. It provides pre-built UI for sign-in, sign-up, user profiles, organizations, MFA, passkeys, JWT sessions, webhooks, and billing. The Hobby plan supports up to 50,000 monthly retained users per app, with Pro, Business, and Enterprise tiers for growing teams.DockerIndustry-standard container platform for building, shipping, and running applications in isolated, reproducible environments. Package apps with all dependencies into portable containers using Dockerfiles and images. Docker Compose orchestrates multi-container applications. Docker Hub hosts millions of pre-built images. Docker Desktop provides GUI management on Mac/Windows. Essential for local development, CI/CD, and production deployments. The foundation of modern containerized infrastructure.GrafanaGrafana is the leading open-source platform for monitoring and observability visualization. It connects to virtually any data source — Prometheus, Elasticsearch, InfluxDB, PostgreSQL, CloudWatch, Datadog, and 150+ others — to create beautiful, interactive dashboards. Used by millions of users at companies like Bloomberg, JPMorgan, eBay, and PayPal. Grafana Cloud offers a fully managed experience with generous free tier. The CNCF ecosystem standard for metrics visualization.LatitudeLatitude is an agent observability platform for teams that need to inspect LLM traces, conversations, issues, and evaluation feedback in one workflow. Its public repo and docs position it as a Sentry-style monitor for AI agents, with semantic search, issue detection, annotations, MCP-assisted fixes, and cloud or self-hosted deployment paths for production debugging.

MLflow head-to-head

MLflow vs Langfuse: Full ML Lifecycle or LLM-Native Engineering? →

FAQ

Which MLflow alternative is listed first?

Steel is first in the editor-selected list of 3 MLflow alternatives. The stored order is editorial; review scores do not determine membership or position.

Are there open-source MLflow alternatives?

Yes — Steel, Trigger.dev are open source.

Are there free MLflow alternatives?

Yes — Steel, Trigger.dev, Braintrust offer a free plan or free tier.