Open Source Alternatives to Ostensa
60 open source Foundation Model options similar to Ostensa, 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.
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MMLOps platform for tracking, visualizing, and collaborating on machine learning experiments.
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
ScaleKit42MLOpsSan Francisco, United States$5.5MAI-powered platform for optimizing and scaling AI model development and deployment.
Open source
Neptune39MLOpsNew York, United States$11.0MNeptune provides a data platform for businesses to manage and analyze their data.
Open source
Mondon9Foundation ModelInnovative AI technology and solutions for businesses, with an upcoming launch.
Open source
Eyrus8AI InfrastructureEyrus provides cutting-edge AI infrastructure and solutions for generative AI applications.
Open source
Tiero7Foundation ModelDiscover innovative AI solutions at tiero.ai. Stay tuned, we're launching soon!
Open source
Crisopeya7Foundation ModelCrisopeya builds technology and AI projects applied across different fields of knowledge, including Scheria, Calidoscopio, and Theia.
Open source
Batchfoundry5AI InfrastructureBatchfoundry provides an AI-powered platform for rapid development and deployment of custom AI models.
Open source
VectorieAI InfrastructureAI-powered platform for exploring and implementing cutting-edge AI solutions.
Open source
AntesisFoundation ModelAntesis is an AI company focused on developing cutting-edge AI technology and solutions.
Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MAI acceleration cloud platform for open source and enterprise.
Open source · Self-hostable
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
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
Arize AI65AI ObservabilityBerkeley, United StatesArize AI provides an AI observability and LLM evaluation platform for AI engineers to monitor, debug, and improve AI models in production.
Open source
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
Weaviate60Vector DatabaseAmsterdam, NetherlandsAI-native vector database for building scalable, intelligent applications.
Open source
Replicate60AI InfrastructureSan Francisco, United StatesPlatform to run, fine-tune, and deploy machine learning models with a simple API.
Open source
Composio59Agentic AISan Francisco, United States$50.0MAI skill layer enabling agents to reliably interact with over 3000 real-world tools and APIs.
Open source
Fal58Agentic AISan Francisco, United States$182.3MGenerative media platform for developers, offering serverless GPUs and AI model access via API.
Open source
Modular58AI InfrastructureSan Francisco, United States$380.0MAI development platform for building and deploying AI applications.
Open source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MGenerative AI platform for submitting and combining LLMs using human feedback into a meta-model.
Open source
LightningAI55AI InfrastructureSan Francisco, United StatesCloud AI platform for building and deploying large-scale AI models.
Open source
Ann Education55Education$1.0MB2B EdTech SaaS startup using AI to create and interact with modern educational content.
Open source
Mem054Agentic AISan Francisco, United States$24.0MPersistent memory layer for AI agents and applications.
Open source · Self-hostable
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
AI-powered platform to automate cloud deployments and infrastructure management for developers.
Open source
Toolbase54Developer ToolsSan Francisco, United StatesA platform simplifying AI model integration with applications and data sources.
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
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MAn infrastructure platform for connecting AI agents with the Model Context Protocol.
Open source
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
Twelve Labs49Video AISan Francisco, United States$62.0MAI-powered video understanding and analysis platform for businesses.
Open source
Runware46AI InfrastructureSan Francisco, United States$66.0MAI inference platform for fast, cost-efficient media generation via a unified API.
Open source
Alpic44AI InfrastructureParis, France$12.0MCloud platform for deploying and managing MCP servers for AI agents.
Open source
Co Build42AI Collaboration Tools$8.5MAn AI co-building platform enhancing projects with innovative AI collaboration tools and solutions.
Open source
OuterBounds Technologies, Inc.36MLOpsSan Francisco, United StatesAI-powered platform for building and deploying data-intensive applications.
Open source
Laghav35AI Infrastructure$1.5MLaghav compresses AI prompts, routes to the cheapest capable model, and tracks spending.
Open source
Opactor33Agentic AISan Francisco, United StatesOpactor develops autonomous AI that creates and runs software businesses, automating the entire business lifecycle from market discovery to monetization.
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
Reshuffle30Agentic AISan Francisco, United StatesAI-powered platform for automating workflows and building intelligent applications.
Open source
QUBRID30Cloud InfrastructureAn open, inference-first AI platform for enterprise developers, offering a full-stack solution for compute, inference, fine-tuning, and RAG on open-source models.
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
AIMLAPI26API PlatformTallinn, EstoniaAIMLAPI provides a unified API gateway, simplifying the integration of various AI and ML models like GPT-4 and Stable Diffusion into applications.
Open source
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
Modlx20AI SolutionsModlx is developing innovative AI solutions to transform technology experiences, with offerings expected to launch soon.
Open source
Joeyydevops20MLOpsAI-powered DevOps platform for seamless cloud infrastructure management and deployment.
Open source
- Merius20Foundation Model
Run open LLMs on a fast GPU fleet via an OpenAI-compatible API for developers.
Open source
Protoevo19Foundation ModelProtoevo is an AI company focused on developing advanced AI models and tools for developers and businesses.
Open source
P3rsona19AI InfrastructureP3rsona offers advanced AI applications and innovative AI solutions for diverse business needs.
Open source
Sarip19Foundation ModelDiscover cutting-edge AI solutions at sarip.ai. Stay tuned, we're launching soon!
Open source
Coworker.ai19HR TechAI-powered platform for chat, coworking, and coding, offering frontier-quality outputs at reduced costs and integrating with over 50 connectors.
Open source
- BABabyAGI18Agentic AI
Experimental open-source framework for building self-building autonomous agents with a novel function framework.
Open source · Self-hostable
StartupHub.ai17AI Search EngineTel Aviv, IsraelPlatform for discovering stealth-mode AI startups and tracking the AI ecosystem.
Open source