Open source focus
Vectara is open source
Open Source Alternatives to Vectara
60 open source Agentic AI options similar to Vectara, 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.
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
Paart40AI GovernanceSan Francisco, United StatesOpen source
Coveo75AI Search EngineQuebec City, Canada$315.0MOpen source
Qualifire32Generative AIOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
giniX54Generative AITel Aviv, IsraelOpen source
MemGPT28Foundation ModelOpen source
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Langbase20Agentic AISan Francisco, United StatesOpen source
GPT Researcher13Agentic AIOpen source
AixeedAgentic AITel Aviv, IsraelOpen source
PostintelligencecontractsLegalTechOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
Geo PlusAgentic AITel Aviv, IsraelOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
TheclearpointAgentic AIOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
- MOMoonshot AI66Frontier AI LabBeijing, China$250.0M
Open source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
CopilotKit64Agentic AISan Francisco, United States$42.0MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Arcten55Agentic AISan Francisco, United StatesOpen source
pleias55AI InfrastructureParis, FranceOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Relevance AI53Agentic AITel Aviv, Israel$12.0MOpen source
RelAI51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
Emergence AI48Agentic AISan Francisco, United StatesOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Base4444No CodeTel Aviv, IsraelOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
- Why-Health42Productivity
Open source
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Noumena AI40Agentic AIתל אביב - יפו, IsraelOpen source
Behrings40Agentic AISan Francisco, United StatesOpen source
Marketeam38MarketingTel Aviv, IsraelOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Hyperspell35Agentic AISan Francisco, United States$1.5MOpen source
Romulous35Agentic AISan Francisco, United StatesOpen source
GrackerAI33Agentic SEOTel Aviv, IsraelOpen source
Magick AI28Agentic AIOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
CRAB26Agentic AIOpen source · Self-hostable
Fundamental Research Labs22Frontier AI LabSan Francisco, United States$10.0MOpen source
- Arkano21Agentic AITel Aviv, Israel
Open source
- BABabyAGI18Agentic AI
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 |
| Paart | AI Governance | Open source | San Francisco, United States | — | 40 |
| Coveo | AI Search Engine | Open source | Quebec City, Canada | $315.0M | 75 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| Sarvam AI | Agentic AI | Open source | Bengaluru, India | $234.0M | 63 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| Aixeed | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Postintelligencecontracts | LegalTech | Open source | — | — | — |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Geo Plus | Agentic AI | Open source | Tel Aviv, Israel | — | — |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — |
| Theclearpoint | Agentic AI | Open source | — | — | — |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $250.0M | 66 |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 |
| CopilotKit | Agentic AI | Open source | San Francisco, United States | $42.0M | 64 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 |
| Relevance AI | Agentic AI | Open source | Tel Aviv, Israel | $12.0M | 53 |
| RelAI | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 |
| Emergence AI | Agentic AI | Open source | San Francisco, United States | — | 48 |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 |
| Base44 | No Code | Open source | Tel Aviv, Israel | — | 44 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| Productivity | Open source | — | — | 42 | |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 40 |
| Behrings | Agentic AI | Open source | San Francisco, United States | — | 40 |
| Marketeam | Marketing | Open source | Tel Aviv, Israel | — | 38 |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 |
| Hyperspell | Agentic AI | Open source | San Francisco, United States | $1.5M | 35 |
| Romulous | Agentic AI | Open source | San Francisco, United States | — | 35 |
| GrackerAI | Agentic SEO | Open source | Tel Aviv, Israel | — | 33 |
| Magick AI | Agentic AI | Open source | — | — | 28 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| Fundamental Research Labs | Frontier AI Lab | Open source | San Francisco, United States | $10.0M | 22 |
| Agentic AI | Open source | Tel Aviv, Israel | — | 21 | |
| BABabyAGI | Agentic AI | Open source · Self-hostable | — | — | 18 |