Open Source Alternatives to Moonshot AI
16 open source Frontier AI Lab options similar to Moonshot AI, 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.
CRAB27Agentic AIAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
Causari10Agentic AICausari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.
Open source · Self-hostable
Langchain-Chatchat10Open SourceOpen-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.
Open source · Self-hostable
All-Hands AI49Agentic AIBoston, United States$5.0MAn open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
K-Scale Labs40Frontier AI LabSan Francisco, United StatesBuilding general-purpose AI for a future of material abundance.
Open source · Self-hostable
OpenDevin12AI Agent PlatformAn open-source platform for developing AI-powered autonomous software engineering agents.
Open source · Self-hostable
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
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
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
Kilo Code24Agentic AISan Francisco, United StatesOpen-source, agentic AI coding tool for VS Code, combining Cline and Roo Code features.
Open source · Self-hostable
- AGAgent4Rec20Agentic AI
Simulates 1,000 LLM-powered agents for diverse movie recommendation preferences.
Open source
Agentguardx26AI TestingAn open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.
Open source
- Agentjail10Agentic AI
Policy guardrails for coding agents to block dangerous tool calls before they are fired.
Open source
- Firmgate7Enterprise Software
Australian-owned, sovereign-built, open-source self-hosted intranet with AI-enabled enterprise modules.
Open source
Lastsaas2SaaS BoilerplateLastSaaS is an open-source SaaS boilerplate designed for AI-assisted development, offering a complete foundation for launching SaaS businesses.
Open source
Probabl54MLOpsParis, France$18.5MTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source

