Open Source Alternatives to Antesis
9 open source Foundation Model options similar to Antesis, 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
K-Scale Labs40Frontier AI LabSan Francisco, United StatesBuilding general-purpose AI for a future of material abundance.
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
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
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
- AGAgent4Rec20Agentic AI
Simulates 1,000 LLM-powered agents for diverse movie recommendation preferences.
Open source
- Manhattan Reasoning7AI Chip
Cloud silicon, open-source toolchains, and training environments where AI learns to design computer chips that are both correct and optimal.
Open source
Sharedos2Agentic AIOpen-source infrastructure for permissioned agent-to-agent communication: a deny-by-default kernel for file access and tool calls, with pluggable agent runtimes.
Open source
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