Open source focus
Open Source Alternatives to Co–Star
60 open source Consumer App options similar to Co–Star, 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
Chai56AI ChatbotSan Francisco, United States$60.0MOpen source
GPT4All26Foundation ModelNew York, United StatesOpen source · Self-hostable
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
LwaiGenerative AIOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Chai Research58AI CompanionPalo Alto, United States$55.0MOpen source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
DeepAI33AI Image GenerationSan Francisco, United StatesOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Agentradio7AI Coding AssistantOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
RedbuyE-commerceOpen source
DowjoFoundation ModelOpen source
Cami AppEdTechTel Aviv, IsraelOpen source
RevochatConversational AIOpen source
BiblelensAI Search EngineOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
MiniMax74Artificial IntelligenceShanghai, China$2.0BOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
DeepSeek AI70AI InfrastructureBeijing, China$15.8BOpen source
Sakana AI70Foundation ModelTokyo, Japan$135.0MOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Stability AI68Generative AILondon, United Kingdom$101.0MOpen source · Self-hostable
Dust65Agentic AIParis, France$15.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Civitai60Generative AISan Francisco, United States$5.1MOpen source · Self-hostable
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
Market Beyond57RetailTechNew York, United States$4.0MOpen source
- CLClerk56Developer ToolsSan Francisco, United States$69.0M
Open source
Converge Bio56Life SciencesSan Francisco, United States$5.5MOpen source · Self-hostable
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Traceloop55LLMOpsTel Aviv, Israel$6.1MOpen source
pleias55AI InfrastructureParis, FranceOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
giniX54Generative AITel Aviv, IsraelOpen source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$3.0BOpen source
Knostic54Cybersecurity$14.3MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Plane53Project ManagementSan Francisco, United States$4.0MOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Ollama52Foundation ModelSan Francisco, United States$65.0MOpen source · Self-hostable
| 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 | |
| Chai | AI Chatbot | Open source | San Francisco, United States | $60.0M | 56 | |
| GPT4All | Foundation Model | Open source · Self-hostable | New York, United States | — | 26 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Lwai | Generative AI | Open source | — | — | — | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Chai Research | AI Companion | Open source | Palo Alto, United States | $55.0M | 58 | |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 | |
| DeepAI | AI Image Generation | Open source | San Francisco, United States | — | 33 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Agentradio | AI Coding Assistant | Open source | — | — | 7 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| Cami App | EdTech | Open source | Tel Aviv, Israel | — | — | |
| Revochat | Conversational AI | Open source | — | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| MiniMax | Artificial Intelligence | Open source | Shanghai, China | $2.0B | 74 | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | $15.8B | 70 | |
| Sakana AI | Foundation Model | Open source | Tokyo, Japan | $135.0M | 70 | |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Stability AI | Generative AI | Open source · Self-hostable | London, United Kingdom | $101.0M | 68 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 | |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 | |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 | |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 | |
| Civitai | Generative AI | Open source · Self-hostable | San Francisco, United States | $5.1M | 60 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 | |
| Market Beyond | RetailTech | Open source | New York, United States | $4.0M | 57 | |
| CLClerk | Developer Tools | Open source | San Francisco, United States | $69.0M | 56 | |
| Converge Bio | Life Sciences | Open source · Self-hostable | San Francisco, United States | $5.5M | 56 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| Traceloop | LLMOps | Open source | Tel Aviv, Israel | $6.1M | 55 | |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 | |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 | |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 | |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $3.0B | 54 | |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 | |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 | |
| Plane | Project Management | Open source | San Francisco, United States | $4.0M | 53 | |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 | |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 | |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 | |
| Ollama | Foundation Model | Open source · Self-hostable | San Francisco, United States | $65.0M | 52 |