Open source focus
Thebabrain is open source
Open Source Alternatives to Thebabrain
60 open source AI Search Engine options similar to Thebabrain, 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.
GPT Researcher13Agentic AIOpen source
DataforeveryoneAI Search EngineSan Francisco, United StatesOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
HockitAI Search EngineTel Aviv, IsraelOpen source
Coworker.aiHR TechOpen source
TheclearpointAgentic AIOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Julius AI55Analytics PlatformSan Francisco, United States$20.5MOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Apideck46API PlatformUnknown, UnknownOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
Quantty15Foundation ModelOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
LlamaAi (DefiLlama)10FintechOpen source
42research4AI Search EngineTel Aviv, IsraelOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
FisarumFintechTel Aviv, IsraelOpen source
BuildtoexitAI Search EngineSan Francisco, United StatesOpen source
SparklaAI InfrastructureOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
PaperswanAI Search EngineSan Francisco, United StatesOpen source
Versa DigitalCustom Software DevelopmentExeter, EnglandOpen source
PostintelligencecontractsLegalTechOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
CitalaAI InfrastructureOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Viktor62Artificial IntelligenceWarsaw, Poland$64.7MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Market Beyond57RetailTechNew York, United States$4.0MOpen source
- MIMintlify / mcpt57Developer ToolsSan Francisco, United States
Open source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Vanna AI56Agentic AINew York, United States$2.5MOpen source · Self-hostable
Spotlight.ai55EnterpriseTel Aviv, Israel$1.0MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Merge Labs54Agentic AISan Francisco, United States$24.0MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
M Magical54Artificial IntelligenceSan Francisco, United StatesOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
giniX54Generative AITel Aviv, IsraelOpen source
Relevance AI53Agentic AITel Aviv, Israel$12.0MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Seek AI46AI Coding AssistantTel Aviv, IsraelOpen source
Crowdsense45EnterpriseTel Aviv, Israel$880KOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| Dataforeveryone | AI Search Engine | Open source | San Francisco, United States | — | — |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Hockit | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Coworker.ai | HR Tech | Open source | — | — | — |
| Theclearpoint | Agentic AI | Open source | — | — | — |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Julius AI | Analytics Platform | Open source | San Francisco, United States | $20.5M | 55 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 |
| Apideck | API Platform | Open source | Unknown, Unknown | — | 46 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| Quantty | Foundation Model | Open source | — | — | 15 |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 |
| 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 |
| Fisarum | Fintech | Open source | Tel Aviv, Israel | — | — |
| Buildtoexit | AI Search Engine | Open source | San Francisco, United States | — | — |
| Sparkla | AI Infrastructure | Open source | — | — | — |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — |
| Paperswan | AI Search Engine | Open source | San Francisco, United States | — | — |
| Versa Digital | Custom Software Development | Open source | Exeter, England | — | — |
| Postintelligencecontracts | LegalTech | Open source | — | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — |
| Citala | AI Infrastructure | Open source | — | — | — |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 |
| Viktor | Artificial Intelligence | Open source | Warsaw, Poland | $64.7M | 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 |
| Market Beyond | RetailTech | Open source | New York, United States | $4.0M | 57 |
| MIMintlify / mcpt | Developer Tools | Open source | San Francisco, United States | — | 57 |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Vanna AI | Agentic AI | Open source · Self-hostable | New York, United States | $2.5M | 56 |
| Spotlight.ai | Enterprise | Open source | Tel Aviv, Israel | $1.0M | 55 |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 |
| Merge Labs | Agentic AI | Open source | San Francisco, United States | $24.0M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 |
| M Magical | Artificial Intelligence | Open source | San Francisco, United States | — | 54 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| giniX | Generative AI | Open source | Tel Aviv, Israel | — | 54 |
| Relevance AI | Agentic AI | Open source | Tel Aviv, Israel | $12.0M | 53 |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 |
| Seek AI | AI Coding Assistant | Open source | Tel Aviv, Israel | — | 46 |
| Crowdsense | Enterprise | Open source | Tel Aviv, Israel | $880K | 45 |