Open source focus
Open Source Alternatives to Look Up
60 open source AI Search Engine options similar to Look Up, 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.
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
MemGPT28Foundation ModelOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
FastclaudeAI Search EngineOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
Andraste32Agentic AISan Francisco, United StatesOpen source
Langbase20Agentic AISan Francisco, United StatesOpen source
GPT Researcher13Agentic AIOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
RedbuyE-commerceOpen source
CommitbenchAI Coding AssistantOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
ClauderizerAI Coding AssistantOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
Mem054Agentic AISan Francisco, United States$24.0MOpen source · Self-hostable
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Langfuse54MLOpsBerlin, Germany$2.5MOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Langflow53Agentic AILisbon, PortugalOpen source · Self-hostable
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Hyperspell52Agentic AISan Francisco, United States$1.5MOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
RelAI51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
Turbopuffer51Artificial IntelligenceSan Francisco, USA$12.0MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
- Spice AI46Databaseתל אביב - יפו, Israel
Open source · Self-hostable
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Letta36Agentic AISan Francisco, United StatesOpen source
Qualifire32Generative AIOpen source
QUBRID30Cloud InfrastructureOpen source
Magick AI28Agentic AIOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Parlant27AI AgentsTel Aviv, IsraelOpen source · Self-hostable
Caura.AI27AI Foundation & ComputeSan Francisco, United StatesOpen source
CRAB26Agentic AIOpen source · Self-hostable
SuperAGI23Agentic AIBengaluru, IndiaOpen source · Self-hostable
Vibranium Dome23AI AgentsOpen source · Self-hostable
Openvisio18Developer ToolsOpen source
- BABabyAGI18Agentic AI
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| MemGPT | Foundation Model | Open source | — | — | 28 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 | |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Commitbench | AI Coding Assistant | Open source | — | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Clauderizer | AI Coding Assistant | Open source | — | — | — | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 | |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 | |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 | |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 | |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 | |
| Mem0 | Agentic AI | Open source · Self-hostable | San Francisco, United States | $24.0M | 54 | |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 | |
| Langfuse | MLOps | Open source | Berlin, Germany | $2.5M | 54 | |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 | |
| Langflow | Agentic AI | Open source · Self-hostable | Lisbon, Portugal | — | 53 | |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 | |
| Hyperspell | Agentic AI | Open source | San Francisco, United States | $1.5M | 52 | |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 | |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 | |
| RelAI | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 | |
| Turbopuffer | Artificial Intelligence | Open source | San Francisco, USA | $12.0M | 51 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| Database | Open source · Self-hostable | תל אביב - יפו, Israel | — | 46 | ||
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 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 | |
| Letta | Agentic AI | Open source | San Francisco, United States | — | 36 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| Magick AI | Agentic AI | Open source | — | — | 28 | |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 | |
| Parlant | AI Agents | Open source · Self-hostable | Tel Aviv, Israel | — | 27 | |
| Caura.AI | AI Foundation & Compute | Open source | San Francisco, United States | — | 27 | |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 | |
| SuperAGI | Agentic AI | Open source · Self-hostable | Bengaluru, India | — | 23 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| Openvisio | Developer Tools | Open source | — | — | 18 | |
| BABabyAGI | Agentic AI | Open source · Self-hostable | — | — | 18 |