Open source focus
Answers is open source
Open Source Alternatives to Answers
60 open source AI Search Engine options similar to Answers, 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
EvolvinglabAgentic AIOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
UseacreAI Search EngineOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
BiblelensAI Search EngineOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
VektorsearchpartnersAI Search EngineTel Aviv, IsraelOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
GitHits44Developer ToolsHelsinki, Finland$1.5MOpen source · Self-hostable
Raindrop40AI Search EngineMoscow, Russia$32.8MOpen source
Noumena AI35Agentic AIתל אביב - יפו, IsraelOpen source
GPT Researcher13Agentic AIOpen source
PostintelligencecontractsLegalTechOpen source
Loop IqAI Tools & AppsOpen source
WulverstoneFoundation ModelOpen source
Geo PlusAgentic AITel Aviv, IsraelOpen source
IntellaiGenerative AIOpen source
DowjoFoundation ModelOpen source
BieniekAgentic AIOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
CiteranksAI Search EngineOpen source
HainexusFoundation ModelOpen source
BarakudaInnovation LabOpen source
KnowqlAI Search EngineOpen source
AdvostackAI Search EngineOpen source
RedbuyE-commerceOpen source
CybernomicFoundation ModelOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen 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
Nomic AI59AI Infrastructure StackNew York City, United States$19.0MOpen source · Self-hostable
Graphite55AI Coding AssistantSan Francisco, United StatesOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Anon53Agentic AI$6.5MOpen source
Brave Search API52AI Search EngineSan Francisco, United StatesOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Zed46Agentic AISan Francisco, United States$95.5MOpen source
CustomGPT46AI ChatbotTel Aviv, Israel$1.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Base4444No CodeTel Aviv, IsraelOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Briefbridge36AI Search EngineTel Aviv, Israel$1.5MOpen source
Qualifire32Generative AIOpen source
QUBRID30Cloud InfrastructureOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
Vibranium Dome23AI AgentsOpen source · Self-hostable
Melodocs18Foundation ModelOpen source
Quantty15Foundation ModelOpen source
Search House AI14AI Search EngineTel Aviv, IsraelOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
LlamaAi (DefiLlama)10FintechOpen source
lIdée10AI Search EngineTel Aviv, IsraelOpen source
MCP.so10Developer ToolsOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Coveo | AI Search Engine | Open source | Quebec City, Canada | $315.0M | 75 | |
| Evolvinglab | Agentic AI | Open source | — | — | — | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Useacre | AI Search Engine | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | Tel Aviv, Israel | — | — | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| GitHits | Developer Tools | Open source · Self-hostable | Helsinki, Finland | $1.5M | 44 | |
| Raindrop | AI Search Engine | Open source | Moscow, Russia | $32.8M | 40 | |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 35 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Loop Iq | AI Tools & Apps | Open source | — | — | — | |
| Wulverstone | Foundation Model | Open source | — | — | — | |
| Geo Plus | Agentic AI | Open source | Tel Aviv, Israel | — | — | |
| Intellai | Generative AI | Open source | — | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| Bieniek | Agentic AI | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Citeranks | AI Search Engine | Open source | — | — | — | |
| Hainexus | Foundation Model | Open source | — | — | — | |
| Barakuda | Innovation Lab | Open source | — | — | — | |
| Knowql | AI Search Engine | Open source | — | — | — | |
| Advostack | AI Search Engine | Open source | — | — | — | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Cybernomic | Foundation Model | Open source | — | — | — | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| 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 | |
| Nomic AI | AI Infrastructure Stack | Open source · Self-hostable | New York City, United States | $19.0M | 59 | |
| Graphite | AI Coding Assistant | Open source | San Francisco, United States | — | 55 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Anon | Agentic AI | Open source | — | $6.5M | 53 | |
| Brave Search API | AI Search Engine | Open source | San Francisco, United States | — | 52 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| Zed | Agentic AI | Open source | San Francisco, United States | $95.5M | 46 | |
| CustomGPT | AI Chatbot | Open source | Tel Aviv, Israel | $1.0M | 46 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| Base44 | No Code | Open source | Tel Aviv, Israel | — | 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 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| QUBRID | Cloud Infrastructure | Open source | — | — | 30 | |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| Melodocs | Foundation Model | Open source | — | — | 18 | |
| Quantty | Foundation Model | Open source | — | — | 15 | |
| Search House AI | AI Search Engine | Open source | Tel Aviv, Israel | — | 14 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| lIdée | AI Search Engine | Open source | Tel Aviv, Israel | — | 10 | |
| MCP.so | Developer Tools | Open source · Self-hostable | — | — | 10 |