Open source focus
Open Source Alternatives to Rizzupapp
60 open source AI Companion options similar to Rizzupapp, 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
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Chai Research58AI CompanionPalo Alto, United States$55.0MOpen source
Chai56AI ChatbotSan Francisco, United States$60.0MOpen source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
MuchBetterAI47FintechLondon, United Kingdom$4.4MOpen source
- Why-Health42Productivity
Open source
Andraste32Agentic AISan Francisco, United StatesOpen source
GPT4All26Foundation ModelNew York, United StatesOpen source · Self-hostable
SweetDream AI25AI GirlfriendIstanbul, TurkeyOpen source
Agentradio7AI Coding AssistantOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
IamfamilyAI AgentTel Aviv, IsraelOpen source
- buddy.AI Agent
Open source
BiblelensAI Search EngineOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
DailycastAI Search EngineTel Aviv, IsraelOpen source
DowjoFoundation ModelOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
CarineFintechTel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
GrowsocialSocial Media MarketingTel Aviv, IsraelOpen source
TripvaletTravel TechTel Aviv, IsraelOpen source
Tosly.onlineAgentic AIOpen source
Cami AppEdTechTel Aviv, IsraelOpen source
LwaiGenerative AIOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
RedbuyE-commerceOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
MiniMax74Artificial IntelligenceShanghai, China$2.0BOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Sakana AI70Foundation ModelTokyo, Japan$135.0MOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
DeepSeek AI70AI InfrastructureBeijing, China$15.8BOpen source
Hightouch70Customer Data PlatformSan Francisco, United States$322.0MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Stability AI68Generative AILondon, United Kingdom$101.0MOpen source · Self-hostable
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
Dust65Agentic AIParis, France$15.0MOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
Cognigy (NICE)63Voice AgentDüsseldorf, GermanyOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Sendbird61Conversational AISan Mateo, United StatesOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Juro60LegalTechLondon, United KingdomOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
Axiom58LegalTechNew York, United States$764.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Chai Research | AI Companion | Open source | Palo Alto, United States | $55.0M | 58 | |
| Chai | AI Chatbot | Open source | San Francisco, United States | $60.0M | 56 | |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 | |
| MuchBetterAI | Fintech | Open source | London, United Kingdom | $4.4M | 47 | |
| Productivity | Open source | — | — | 42 | ||
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| GPT4All | Foundation Model | Open source · Self-hostable | New York, United States | — | 26 | |
| SweetDream AI | AI Girlfriend | Open source | Istanbul, Turkey | — | 25 | |
| Agentradio | AI Coding Assistant | Open source | — | — | 7 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Iamfamily | AI Agent | Open source | Tel Aviv, Israel | — | — | |
| AI Agent | Open source | — | — | — | ||
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Dailycast | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Carine | Fintech | Open source | Tel Aviv, Israel | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Growsocial | Social Media Marketing | Open source | Tel Aviv, Israel | — | — | |
| Tripvalet | Travel Tech | Open source | Tel Aviv, Israel | — | — | |
| Tosly.online | Agentic AI | Open source | — | — | — | |
| Cami App | EdTech | Open source | Tel Aviv, Israel | — | — | |
| Lwai | Generative AI | Open source | — | — | — | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 | |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| MiniMax | Artificial Intelligence | Open source | Shanghai, China | $2.0B | 74 | |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 | |
| Sakana AI | Foundation Model | Open source | Tokyo, Japan | $135.0M | 70 | |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | $15.8B | 70 | |
| Hightouch | Customer Data Platform | Open source | San Francisco, United States | $322.0M | 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 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 | |
| Cognigy (NICE) | Voice Agent | Open source | Düsseldorf, Germany | — | 63 | |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 | |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 | |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 62 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| Sendbird | Conversational AI | Open source | San Mateo, United States | — | 61 | |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Juro | LegalTech | Open source | London, United Kingdom | — | 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 | |
| Axiom | LegalTech | Open source | New York, United States | $764.0M | 58 |