Open source focus
Open Source Alternatives to Particleworld
60 open source Frontier AI Lab options similar to Particleworld, 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.
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
DeepSeek AI70AI InfrastructureBeijing, China$15.8BOpen source
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
Neptune39MLOpsNew York, United States$11.0MOpen source
World Models21Frontier AI LabOpen source
EratosFoundation ModelOpen source
PalantearsFoundation ModelOpen source
Google DeepMind83Frontier AI LabLondon, United Kingdom$676.7MOpen source
AA-I Technologies58Frontier AI LabSan Francisco, United States$20.0MOpen source
Imbue47Artificial IntelligenceSan Francisco, United StatesOpen source
K-Scale Labs40Frontier AI LabSan Francisco, United StatesOpen source · Self-hostable
Neurel40Foundation ModelSan Francisco, United StatesOpen source
LairaosFoundation ModelLondon, United KingdomOpen source
- SISII-GAIRArtificial Intelligence
Open source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Tzafon54Frontier AI LabSan Francisco, United States$15.0MOpen source
Beyondfrontier35Frontier AI LabTel Aviv, IsraelOpen source
Fundamental Research Labs22Frontier AI LabSan Francisco, United States$10.0MOpen source
ForgenticFoundation ModelTel Aviv, IsraelOpen source
1agiFrontier AI LabOpen source
BingranAgentic AIBerkeley, United StatesOpen source
ParahelionFoundation ModelOpen source
QuantbeeQuantum ComputingOpen source
Str3Agentic AISan Francisco, United StatesOpen source
AntesisFoundation ModelOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Cajal55B2BSan Francisco, United States$4.5MOpen source
Pluromica40AI InfrastructureSan Francisco, United StatesOpen source
Axonmedical4HealthTechOpen source
ImbrosFrontier AI LabOpen source · Self-hostable
TympanumFoundation ModelOpen source
UltimathFoundation ModelOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Thinking Machines Lab Inc.69Frontier AI LabSan Francisco, United States$2.0BOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
- BRBria56Generative AITel Aviv, Israel$130.5M
Open source
Mayhem Security45CybersecurityBethesda, United StatesOpen source
RecursiveMAS44Agentic AITel Aviv, Israel$1.5MOpen source
Behrings40Agentic AISan Francisco, United StatesOpen source
Niyatna AI40Agentic AISan Francisco, United StatesOpen source
Romulous35Agentic AISan Francisco, United StatesOpen source
- Adamczyk34Agentic AISan Francisco, United States$1.0M
Open source
- Svitch26AI GovernanceSan Francisco, United States
Open source
CRAB26Agentic AIOpen source · Self-hostable
Ontic25AI SafetySan Francisco, United States$291.5MOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Oncometra17AI-Driven Drug DiscoveryOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
RobocurveRoboticsOpen source
EthyerAgentic AISan Francisco, United StatesOpen source
RegulatediqAI GovernanceOpen source
JanuslabAgentic AISan Francisco, United StatesOpen source
- IronweftAgentic AISan Francisco, United States
Open source
EtymoltAgentic AIOpen source
AsculapianHealthTechTel Aviv, IsraelOpen source
ZaptrustAI GovernanceTel Aviv, IsraelOpen source
IntellaiGenerative AIOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | $15.8B | 70 | |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 | |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 39 | |
| World Models | Frontier AI Lab | Open source | — | — | 21 | |
| Eratos | Foundation Model | Open source | — | — | — | |
| Palantears | Foundation Model | Open source | — | — | — | |
| Google DeepMind | Frontier AI Lab | Open source | London, United Kingdom | $676.7M | 83 | |
| AA-I Technologies | Frontier AI Lab | Open source | San Francisco, United States | $20.0M | 58 | |
| Imbue | Artificial Intelligence | Open source | San Francisco, United States | — | 47 | |
| K-Scale Labs | Frontier AI Lab | Open source · Self-hostable | San Francisco, United States | — | 40 | |
| Neurel | Foundation Model | Open source | San Francisco, United States | — | 40 | |
| Lairaos | Foundation Model | Open source | London, United Kingdom | — | — | |
| SISII-GAIR | Artificial Intelligence | Open source | — | — | — | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Tzafon | Frontier AI Lab | Open source | San Francisco, United States | $15.0M | 54 | |
| Beyondfrontier | Frontier AI Lab | Open source | Tel Aviv, Israel | — | 35 | |
| Fundamental Research Labs | Frontier AI Lab | Open source | San Francisco, United States | $10.0M | 22 | |
| Forgentic | Foundation Model | Open source | Tel Aviv, Israel | — | — | |
| 1agi | Frontier AI Lab | Open source | — | — | — | |
| Bingran | Agentic AI | Open source | Berkeley, United States | — | — | |
| Parahelion | Foundation Model | Open source | — | — | — | |
| Quantbee | Quantum Computing | Open source | — | — | — | |
| Str3 | Agentic AI | Open source | San Francisco, United States | — | — | |
| Antesis | Foundation Model | Open source | — | — | — | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 | |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 | |
| Cajal | B2B | Open source | San Francisco, United States | $4.5M | 55 | |
| Pluromica | AI Infrastructure | Open source | San Francisco, United States | — | 40 | |
| Axonmedical | HealthTech | Open source | — | — | 4 | |
| Imbros | Frontier AI Lab | Open source · Self-hostable | — | — | — | |
| Tympanum | Foundation Model | Open source | — | — | — | |
| Ultimath | Foundation Model | Open source | — | — | — | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| Thinking Machines Lab Inc. | Frontier AI Lab | Open source | San Francisco, United States | $2.0B | 69 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 | |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 | |
| BRBria | Generative AI | Open source | Tel Aviv, Israel | $130.5M | 56 | |
| Mayhem Security | Cybersecurity | Open source | Bethesda, United States | — | 45 | |
| RecursiveMAS | Agentic AI | Open source | Tel Aviv, Israel | $1.5M | 44 | |
| Behrings | Agentic AI | Open source | San Francisco, United States | — | 40 | |
| Niyatna AI | Agentic AI | Open source | San Francisco, United States | — | 40 | |
| Romulous | Agentic AI | Open source | San Francisco, United States | — | 35 | |
| Agentic AI | Open source | San Francisco, United States | $1.0M | 34 | ||
| AI Governance | Open source | San Francisco, United States | — | 26 | ||
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 | |
| Ontic | AI Safety | Open source | San Francisco, United States | $291.5M | 25 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| Oncometra | AI-Driven Drug Discovery | Open source | — | — | 17 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Robocurve | Robotics | Open source | — | — | — | |
| Ethyer | Agentic AI | Open source | San Francisco, United States | — | — | |
| Regulatediq | AI Governance | Open source | — | — | — | |
| Januslab | Agentic AI | Open source | San Francisco, United States | — | — | |
| Agentic AI | Open source | San Francisco, United States | — | — | ||
| Etymolt | Agentic AI | Open source | — | — | — | |
| Asculapian | HealthTech | Open source | Tel Aviv, Israel | — | — | |
| Zaptrust | AI Governance | Open source | Tel Aviv, Israel | — | — | |
| Intellai | Generative AI | Open source | — | — | — |