Open Source AI startups (2026)
20 open source ai startups tracked, with the largest concentration in US. Total tracked funding: $8.3B.
Funding by year — Open Source AI
2023 → 2026Top countries
By startup countStage breakdown
Latest round typeTop investors backing Open Source AI
See all →Top Open Source AI startups by score
View all 20 →| # | Company | Location | Funding | Score |
|---|---|---|---|---|
| 1 | | Remote, US | $4M | |
| 2 | | Boston, US | $300M | |
| 3 | | San Francisco, US | $232M | |
| 4 | | Paris, FR | $6.3B | |
| 5 | | New York, US | $470M | |
| 6 | | Berlin, DE | $85M | |
| 7 | | San Francisco, US | $41.5M | |
| 8 | | San Francisco, US | $20.3M | |
| 9 | | San Francisco, US | $735M | |
| 10 | | Remote, US | — | |
| 11 | | Amsterdam, NL | — | |
| 12 | | Remote, US | — |
Recent rounds in Open Source AI
All rounds →| Date | Startup | Round | Amount |
|---|---|---|---|
| Mar 2026 | Mistral AI | Debt | $830M |
| Sep 2025 | Mistral AI | Series C | $2B |
| Sep 2025 | Mistral AI | Series c | $1.7B |
| Aug 2024 | Hugging Face | Series d | $235M |
| Jun 2024 | Mistral AI | Series B | $640M |
| Jun 2024 | Mistral AI | Series b | $645M |
| Dec 2023 | Mistral AI | Series A | $415M |
| Aug 2023 | Hugging Face | Series d | $235M |
All Open Source AI startups
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Open-source autonomous AI coding agent for VS Code — bring your own model
Liquid AI
Efficient general-purpose foundation models built for edge, on-device, and cloud deployment at every scale.
Imbue
Tools to empower humans in the AI age with reliable, collaborative coding agents.
Mistral AI
VerifiedOpen and efficient foundation models
Hugging Face
The AI community building the future of machine learning.
Chroma
Open-source search infrastructure for AI with vector, full-text, regex, and metadata search.
Qdrant
High-performance vector search engine built in Rust for production-grade AI retrieval.
LanceDB
AI-native multimodal lakehouse for vector search, training data, and retrieval.
Physical Intelligence
VerifiedFoundation models for physical world AI
OpenCode
Open-source terminal AI coding agent — Aider alternative with multi-model support
Refact.ai
Self-hosted AI coding assistant — run on your own infra, own your data
Kilo Code
Structured AI coding modes for VS Code — architect, code, and review separately
CrewAI
Framework for orchestrating role-playing autonomous AI agents
Numerai
The hardest data science tournament on the planet
Aider
AI pair programming in your terminal that edits your codebase and commits changes via Git.
Baichuan AI
Empowering the world with knowledge and professional services through breakthrough language AI.
Falcon LLM (Technology Innovation Institute)
Making advanced AI accessible and available to everyone, everywhere through a family of powerful, efficient, and ethical large language models.
Kyutai
An open-science AI lab dedicated to building and democratizing Artificial General Intelligence through open research.
Tenstorrent
Tenstorrent provides high-performance AI compute solutions, from cards and workstations to scale-out servers, powered by flexible, open-source IP.
Tabby
An open-source, self-hosted AI coding assistant for secure and efficient development.