Open source focus
Open Source Alternatives to Criticaldata
60 open source AI Search Engine options similar to Criticaldata, 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.
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Answers36AI Search EngineSan Francisco, United States$1.5BOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
LlamaAi (DefiLlama)10FintechOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
EvolvinglabAgentic AIOpen source
KnowqlAI Search EngineOpen source
PostintelligencecontractsLegalTechOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
TwelveLabs64Video IntelligenceSan Francisco, United States$68.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Superlinked53Artificial IntelligenceTel Aviv, Israel$9.5MOpen source
LlamaIndex Inc.53Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Visual Layer50DatabaseTel Aviv, Israel$7.0MOpen source · Self-hostable
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
CustomGPT46AI ChatbotTel Aviv, Israel$1.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Qualifire32Generative AIOpen source
QUBRID30Cloud InfrastructureOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
StartupHub.ai17AI Search EngineTel Aviv, IsraelOpen source
Quantty15Foundation ModelOpen source
Search House AI14AI Search EngineTel Aviv, IsraelOpen source
GPT Researcher13Agentic AIOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
42research4AI Search EngineTel Aviv, IsraelOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
GocerebroAgentic AITel Aviv, IsraelOpen source
TheclearpointAgentic AIOpen source
OnelytixInnovationOpen source
UseacreAI Search EngineOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
BiblelensAI Search EngineOpen source
HockitAI Search EngineTel Aviv, IsraelOpen source
ShopcodexE-commerceTel Aviv, IsraelOpen source
RedbuyE-commerceOpen source
Geo PlusAgentic AITel Aviv, IsraelOpen source
StewardshipintelligenceAI Tools & AppsOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
Consensus360AI Search EngineOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
CasecompassLegalTechTel Aviv, IsraelOpen source
FastclaudeAI Search EngineOpen source
Ai DnaAI InfrastructureOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
MassgeneralbrighamHealthTechOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| 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 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Evolvinglab | Agentic AI | Open source | — | — | — | |
| Knowql | AI Search Engine | Open source | — | — | — | |
| 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 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| TwelveLabs | Video Intelligence | Open source | San Francisco, United States | $68.0M | 64 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 | |
| Superlinked | Artificial Intelligence | Open source | Tel Aviv, Israel | $9.5M | 53 | |
| LlamaIndex Inc. | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 53 | |
| Visual Layer | Database | Open source · Self-hostable | Tel Aviv, Israel | $7.0M | 50 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 46 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 | |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 | |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 36 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| StartupHub.ai | AI Search Engine | Open source | Tel Aviv, Israel | — | 17 | |
| Quantty | Foundation Model | Open source | — | — | 15 | |
| Search House AI | AI Search Engine | Open source | Tel Aviv, Israel | — | 14 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| 42research | AI Search Engine | Open source | Tel Aviv, Israel | — | 4 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Gocerebro | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Theclearpoint | Agentic AI | Open source | — | — | — | |
| Onelytix | Innovation | Open source | — | — | — | |
| Useacre | AI Search Engine | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Hockit | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Shopcodex | E-commerce | Open source | Tel Aviv, Israel | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Geo Plus | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Stewardshipintelligence | AI Tools & Apps | Open source | — | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Consensus360 | AI Search Engine | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Casecompass | LegalTech | Open source | Tel Aviv, Israel | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Ai Dna | AI Infrastructure | Open source | — | — | — | |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — | |
| Massgeneralbrigham | HealthTech | Open source | — | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 | |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |