Open Source Alternatives to Preference Model
35 open source Reinforcement Learning options similar to Preference Model, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
K-Scale Labs40Frontier AI LabSan Francisco, United StatesBuilding general-purpose AI for a future of material abundance.
Open source · Self-hostable
Feast AI54MLOpsSan Francisco, United StatesAn open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
KiloClaw54Artificial IntelligenceA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
BenchFlow42Frontier AI LabSan Francisco, United States$1.0MBenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.
Open source
Recognai, S.L.U.31Data CurationBarcelona, SpainCompany
Open source
CRAB27Agentic AIAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
- GGggml15Foundation Model
A C/C++ tensor library for efficient machine learning inference on consumer hardware.
Open source · Self-hostable
- HUHumanSignal7Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
Databricks82Data AnalyticsSan Francisco, United States$36.7BA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
CIQ59Artificial IntelligenceReno, United States$26.0MSponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.
Open source
Cua39AI AgentSan Francisco, United States$500KCua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.
Open source
Codename Goose14Developer ToolsAn open-source framework for on-machine AI agents developed by Block's Open Source Program Office.
Open source · Self-hostable
Glovity8AI InfrastructureGlovity is an open-source, low-cost teleoperation system for dexterous manipulation, integrating spatial wrench feedback with a haptic glove.
Open source
DocsGPT8Open SourceOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
Open Intelligence Foundation7Frontier AI LabA non-profit research organization focused on advancing open and ethical AI development.
Open source
Qdrant71Vector DatabaseBerlin, Germany$87.5MHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
H2O.ai64Foundation ModelMountain View, United States$228.1MAn open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
ClearML63AutoMLTel Aviv, Israel$11.0MOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
Probabl54MLOpsParis, France$18.5MTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
RelAI51Agentic AISan Francisco, United States$6.9MAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
Keep45EnterpriseSan Francisco, United States$2.5MOpen-source alert management platform using AI to reduce noise and improve alert actionability for engineers.
Open source · Self-hostable
- MAMacrodata Labs39Artificial IntelligenceParis, France$4.0M
Infrastructure for the robotics data loop.
Open source · Self-hostable
Faiss by Meta28AI Foundation & ComputeOpen-source library by Meta AI for efficient similarity search and clustering of dense vectors.
Open source · Self-hostable
Parlant26AI AgentsTel Aviv, IsraelParlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.
Open source · Self-hostable
- AGAgent4Rec20Agentic AI
Simulates 1,000 LLM-powered agents for diverse movie recommendation preferences.
Open source
LLMStack16Agentic AIOpen-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.
Open source · Self-hostable
- Ainativex7AI Infrastructure
An open-source AI IDE and infrastructure platform for building and deploying AI agents and applications.
Open source
Graphometer3AI ObservabilitySeeing AI from the right angle. Free, open tools, resources, reports, and data that show what AI systems actually do.
Open source
Grafana Labs80ObservabilityNew York, United StatesCommercializes the open-source Grafana observability platform with AI features.
Open source · Self-hostable
Kyutai68Frontier AI LabParis, France$300.0MA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
Doubleword53AI InfrastructureLondon, United Kingdom$15.0MSelf-hosted AI inference platform for enterprises.
Open source
Langflow32Agentic AILisbon, PortugalLow-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.
Open source · Self-hostable
pyannote SAS23Speech RecognitionParis, FranceCompany
Open source
Apache Airflow20MLOpsOpen-source platform for programmatically authoring, scheduling, and monitoring data pipelines.
Open source · Self-hostable
0sec11CybersecurityAn applied cybersecurity research lab using AI agents to autonomously discover, exploit, and verify software vulnerabilities.
Open source · Self-hostable

