Open Source Alternatives to Arize AI
60 open source AI Observability options similar to Arize AI, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Fiddler Labs, Inc.62MLOpsMountain View, United States$39.0MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Traceloop55LLMOpsTel Aviv, Israel$6.1MAn LLM reliability platform for faster, more confident LLM application development.
Open source
Langfuse54MLOpsBerlin, Germany$2.5MOpen-source LLM engineering platform for debugging, monitoring, and improving production-grade LLM applications.
Open source
Qualifire32Generative AIAI Control Plane for LLM reliability, ensuring accurate, safe, and trustworthy AI outputs.
Open source
Galileo Technologies, Inc.61AI ObservabilitySan Francisco, United States$45.0MOpen source
Superwise.ai54DataTel Aviv, Israel$4.5MAI model observability and monitoring platform for proactive performance optimization.
Open source
Fiddler Labs43AI ObservabilityMountain View, United StatesAI observability platform for understanding, monitoring, and improving ML models in production.
Open source
Comet59MLOpsNew York, United States$75.0MAI-powered platform for engineering teams to manage and analyze software development data.
Open source
Mona Labs48PlatformSan Francisco, United StatesIntelligent monitoring for AI/ML and intelligent automation processes.
Open source
Aporia59MLOpsTel Aviv, Israel$30.0MML Observability platform for enterprises to monitor, visualize, and ensure ML model performance.
Open source
Deepchecks58MLOpsTel Aviv, Israel$18.3MOpen-source Python library for validating ML models and data, ensuring reliability and quality.
Open source · Self-hostable
Aviro52Agentic AISan Francisco, United States$500KAI agents that perform complex workflows, with an intelligence layer for continuous upskilling and reliability.
Open source
- Acunai7AI Observability
Acunai provides AI-powered observability and monitoring solutions for complex machine learning and data pipelines.
Open source
KiloClaw54Artificial IntelligenceA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
Neptune39MLOpsNew York, United States$11.0MNeptune provides a data platform for businesses to manage and analyze their data.
Open source
MosaicML (now Databricks)70Foundation ModelSan Francisco, United States$3.0BGenerative AI platform for enterprises to build, train, and customize their own AI models.
Open source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MMLOps platform for tracking, visualizing, and collaborating on machine learning experiments.
Open source
Replicate60AI InfrastructureSan Francisco, United StatesPlatform to run, fine-tune, and deploy machine learning models with a simple API.
Open source
Modular58AI InfrastructureSan Francisco, United States$380.0MAI development platform for building and deploying AI applications.
Open source
LightningAI55AI InfrastructureSan Francisco, United StatesCloud AI platform for building and deploying large-scale AI models.
Open source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
AI-powered platform to automate cloud deployments and infrastructure management for developers.
Open source
Feast AI54MLOpsSan Francisco, United StatesAn open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
Modal Labs52Agentic AISan Francisco, United States$693.0MAI-powered platform for building and deploying custom AI agents.
Open source
Runpod50AI InfrastructureNew York, United StatesServerless GPU cloud platform for cost-effective AI and machine learning compute.
Open source
ScaleKit42MLOpsSan Francisco, United States$5.5MAI-powered platform for optimizing and scaling AI model development and deployment.
Open source
OuterBounds Technologies, Inc.36MLOpsSan Francisco, United StatesAI-powered platform for building and deploying data-intensive applications.
Open source
- SOSource32AI InfrastructureSan Francisco, United States$24.0M
AI-powered platform for discovering and managing open-source AI models and datasets.
Open source · Self-hostable
Inference.net31AI InfrastructureSan Francisco, United States$14.1MAI platform for building and deploying custom AI models with ease.
Open source
Magick AI28Agentic AIVisual IDE for programming and deploying AI Agents without writing code.
Open source
JarvisLabs.ai26MLOpsSan Francisco, United StatesAI-powered platform for building and deploying custom machine learning models.
Open source
CRAB26Agentic AIAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
Emdash24Agentic AISan Francisco, United StatesAn agentic development environment orchestrating heterogeneous AI models across multiple providers.
Open source
- Svitch21AI Governance
AI infrastructure for privacy-first AI applications with PII redaction and intelligent model routing.
Open source
Joeyydevops20MLOpsAI-powered DevOps platform for seamless cloud infrastructure management and deployment.
Open source
WebWright11API PlatformAI-powered API platform for developers to build smarter applications.
Open source
Batchfoundry5AI InfrastructureBatchfoundry provides an AI-powered platform for rapid development and deployment of custom AI models.
Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MAI acceleration cloud platform for open source and enterprise.
Open source · Self-hostable
OpenRouter70InfrastructureSan Francisco, United States$153.5MUnified API platform providing developers access to hundreds of large language models through one endpoint.
Open source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MManaged vector database for building scalable, reliable, and accurate AI applications and search.
Open source
Daytona66AI InfrastructureNew York, United States$46.0MBuilds agent-native compute infrastructure.
Open source
cubic65Supply ChainTel Aviv, IsraelAI-powered code review platform that helps engineering teams ship higher-quality code faster.
Open source
Trigger Device Inc63AI AgentsLondon, United Kingdom$16.5MAn open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MDemocratizing access to frontier AI infrastructure.
Open source
fal AI61Generative AISan Francisco, United States$20.0MGenerative media platform for developers, offering fast AI model APIs and serverless GPUs.
Open source
LangChain61Agentic AISan Francisco, United States$260.0MThe platform for building reliable AI agents and LLM applications.
Open source
Embedder (YC S25)61AI AgentsSan Francisco, United States$625.0MAI agent for firmware development that reads datasheets, writes code, flashes boards, runs tests, and fixes mistakes autonomously.
Open source
Weaviate60Vector DatabaseAmsterdam, NetherlandsAI-native vector database for building scalable, intelligent applications.
Open source
Weights & Biases59AI InfrastructureSan Francisco, United StatesThe AI developer platform that helps teams build, fine-tune, and deploy AI models and applications faster and with confidence.
Open source
Fal58Agentic AISan Francisco, United States$182.3MGenerative media platform for developers, offering serverless GPUs and AI model access via API.
Open source
Agency58Agentic AISan Francisco, United States$20.0MAgency builds custom AI Agents that operate 24/7/365, offering consulting, development tools, and an observability platform to help businesses automate.
Open source
FriendliAI57AI InfrastructureRedwood City, United States$89.0MAccelerates generative AI inference, making large language models faster, cheaper, and more scalable for production.
Open source
xpander.ai57Artificial IntelligenceTel Aviv, Israel$3.0MBackend-as-a-Service infrastructure for autonomous AI agents, enabling production-grade agent deployment.
Open source
Auto-GPT56Agentic AI$12.0MOpen-source autonomous AI agent platform that automates complex digital workflows.
Open source · Self-hostable
Paperspace55AI InfrastructureNew York, United States$166.5MCloud platform for AI developers to build, train, and deploy machine learning models.
Open source
Mem054Agentic AISan Francisco, United States$24.0MPersistent memory layer for AI agents and applications.
Open source · Self-hostable
Toolbase54Developer ToolsSan Francisco, United StatesA platform simplifying AI model integration with applications and data sources.
Open source
- AGAgentDesk / BrowserTools54Recruitment Tech$17.0M
Tools for debugging and monitoring AI agents and browser automation tasks.
Open source
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MAn infrastructure platform for connecting AI agents with the Model Context Protocol.
Open source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MUltravox.ai (formerly Fixie.ai) is building human-like voice AI agents and models for natural, real-time communication.
Open source