Open source focus
Open Source Alternatives to Mnemon
60 open source AI Search Engine options similar to Mnemon, 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.
Coveo75AI Search EngineQuebec City, Canada$315.0MOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
PostintelligencecontractsLegalTechOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
CustomGPT46AI ChatbotTel Aviv, Israel$1.0MOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Qualifire32Generative AIOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
MemGPT28Foundation ModelOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
LlamaAi (DefiLlama)10FintechOpen source
42research4AI Search EngineTel Aviv, IsraelOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
CasecompassLegalTechTel Aviv, IsraelOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
FastclaudeAI Search EngineOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
CasezLegalTechTel Aviv, IsraelOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
- MOMoonshot AI69Frontier AI LabBeijing, China$250.0M
Open source
Dust65Agentic AIParis, France$15.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Sarvam AI63Agentic AIBengaluru, India$234.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
pleias55AI InfrastructureParis, FranceOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Langfuse54MLOpsBerlin, Germany$2.5MOpen source
Knostic54Cybersecurity$14.3MOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Martian52AI InfrastructureSan Francisco, United StatesOpen source
Hyperspell52Agentic AISan Francisco, United States$1.5MOpen source
Arthur51Agentic AISan Francisco, United States$10.0MOpen source
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
- MIMind Lab41Artificial IntelligenceSan Francisco, United States
Open source
PromptQL31Artificial IntelligenceSan Francisco, United StatesOpen source · Self-hostable
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Recallguru21AI Search EngineOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Coveo | AI Search Engine | Open source | Quebec City, Canada | $315.0M | 75 |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| Answers | AI Search Engine | Open source | San Francisco, United States | $1.5B | 36 |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 |
| Postintelligencecontracts | LegalTech | Open source | — | — | — |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 46 |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| Casecompass | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — |
| Fastclaude | AI Search Engine | Open source | — | — | — |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — |
| Casez | LegalTech | Open source | Tel Aviv, Israel | — | — |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $250.0M | 69 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 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 |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| 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 |
| Langfuse | MLOps | Open source | Berlin, Germany | $2.5M | 54 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| Martian | AI Infrastructure | Open source | San Francisco, United States | — | 52 |
| Hyperspell | Agentic AI | Open source | San Francisco, United States | $1.5M | 52 |
| Arthur | Agentic AI | Open source | San Francisco, United States | $10.0M | 51 |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| MIMind Lab | Artificial Intelligence | Open source | San Francisco, United States | — | 41 |
| PromptQL | Artificial Intelligence | Open source · Self-hostable | San Francisco, United States | — | 31 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| Recallguru | AI Search Engine | Open source | — | — | 21 |