Alternatives to Haystack
The top AI Search Engine companies similar to Haystack, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
LlamaIndex Inc.53Foundation ModelSan Francisco, United States
Thread AI39AI Orchestration PlatformSan Francisco, United States$66.0M
Answers36AI Search EngineSan Francisco, United States$1.5B
AskVirgil18EnterpriseSan Francisco, United States- Arxiis5AI Search EngineTel Aviv, Israel
- WinlayerAI Foundation & ComputeTel Aviv, Israel
- PlexoaiAI Search EngineTel Aviv, Israel
VektorsearchpartnersAI Search EngineTel Aviv, Israel$1.0M- WithcontextosAI Search Engine
- JournaloftechnosophyAI Search Engine
- MnesticsKnowledge ManagementSan Francisco, United States
Sana78AI Search EngineSan Francisco, United States
Pinecone69AI InfrastructureSan Francisco, United States$138.0M
Rowspace62FinanceNew York, United States$40.0M
Vectara60Agentic AIPalo Alto, United States$40.0M
Unleash57EnterpriseSan Francisco, United States$35.0M
rogo56FinanceNew York, United States$310.0M
Pandektes55Agentic AITel Aviv, Israel$5.8M
Graphite55AI Coding AssistantSan Francisco, United States
Deeto54EnterpriseSan Francisco, United States$12.5M
xFind.ai53EnterpriseTel Aviv, Israel$3.0M
Mem053AI Search EngineTel Aviv, Israel$3.1M
Naboo AI52Retrieval Augmented GenerationSan Francisco, United States$62.7M
Geniez.ai50Foundation ModelNew York, United States$256.0M
Linkup48Agentic AISan Francisco, United States
Tako47HR TechSan Francisco, United States- MAMacroscope42Data PlatformTel Aviv, Israel$36.3M
Dixtra41AI PlatformTel Aviv, Israel
Quest Data40AI Search EngineTel Aviv, Israel
Compbrief38AI Search EngineSan Francisco, United States
WisdomAI37AI Tools & AppsSan Francisco, United States$100.0M
Supernova37Developer ToolsSan Francisco, United States$129.2M
Harmonic AI36Foundation ModelSan Francisco, United States$142.0M
Fact-Base36AI Search EngineSan Francisco, United States$28.5M
Littlebird35Agentic AISan Francisco, United States$11.0M- HEHelio32AI Tools & AppsSan Francisco, United States$16.8M
Marvinn.ai31Generative AITel Aviv, Israel
Briefbridge23AI Search EngineTel Aviv, Israel$1.5M
newcode.ai10AI Coding AssistantTel Aviv, Israel
White Shoe10LegalTechNew York, United States$2.0M
Lexis+ AI9LegalTechNew York, United States- ContextgiantFoundation ModelTel Aviv, Israel
- PerpensaAgentic AISan Francisco, United States
PostintelligencecontractsLegalTech- ThoughtsatworkAI Search EngineTel Aviv, Israel$1.0M
- Multiview OneAgentic AITel Aviv, Israel
- Glane SAI Search EngineParis, France
SynchmindsAI Search EngineTel Aviv, Israel- VerabaseKnowledge ManagementSan Francisco, United States
WisdomlinkAI Search EngineSan Francisco, United States
YingbosaierAI Search EngineBeijing, China$1.0M- TechfaqsAI Search EngineTel Aviv, Israel$1.5M
- ContextwikiAI Search EngineTel Aviv, Israel
- REREASONARAFoundation ModelTel Aviv, Israel
- SandthoughtAI Search EngineTel Aviv, Israel
AI Coding Assistants (e.g., GitHub Copilot, Cursor)88AI Coding AssistantNew York, United States$54.0M
Clio76LegalTechBurnaby, Canada
Perplexity AI71Search EngineSan Francisco, United States$591.4M
Harvey AI70LegalTechNew York, United States$27.0M
Tessl66EnterpriseSan Francisco, United States$125.0M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| LlamaIndex Inc. | Foundation Model | San Francisco, United States | — | 53 |
| Thread AI | AI Orchestration Platform | San Francisco, United States | $66.0M | 39 |
| Answers | AI Search Engine | San Francisco, United States | $1.5B | 36 |
| AskVirgil | Enterprise | San Francisco, United States | — | 18 |
| AI Search Engine | Tel Aviv, Israel | — | 5 | |
| AI Foundation & Compute | Tel Aviv, Israel | — | — | |
| AI Search Engine | Tel Aviv, Israel | — | — | |
| Vektorsearchpartners | AI Search Engine | Tel Aviv, Israel | $1.0M | — |
| AI Search Engine | — | — | — | |
| AI Search Engine | — | — | — | |
| Knowledge Management | San Francisco, United States | — | — | |
| Sana | AI Search Engine | San Francisco, United States | — | 78 |
| Pinecone | AI Infrastructure | San Francisco, United States | $138.0M | 69 |
| Rowspace | Finance | New York, United States | $40.0M | 62 |
| Vectara | Agentic AI | Palo Alto, United States | $40.0M | 60 |
| Unleash | Enterprise | San Francisco, United States | $35.0M | 57 |
| rogo | Finance | New York, United States | $310.0M | 56 |
| Pandektes | Agentic AI | Tel Aviv, Israel | $5.8M | 55 |
| Graphite | AI Coding Assistant | San Francisco, United States | — | 55 |
| Deeto | Enterprise | San Francisco, United States | $12.5M | 54 |
| xFind.ai | Enterprise | Tel Aviv, Israel | $3.0M | 53 |
| Mem0 | AI Search Engine | Tel Aviv, Israel | $3.1M | 53 |
| Naboo AI | Retrieval Augmented Generation | San Francisco, United States | $62.7M | 52 |
| Geniez.ai | Foundation Model | New York, United States | $256.0M | 50 |
| Linkup | Agentic AI | San Francisco, United States | — | 48 |
| Tako | HR Tech | San Francisco, United States | — | 47 |
| MAMacroscope | Data Platform | Tel Aviv, Israel | $36.3M | 42 |
| Dixtra | AI Platform | Tel Aviv, Israel | — | 41 |
| Quest Data | AI Search Engine | Tel Aviv, Israel | — | 40 |
| Compbrief | AI Search Engine | San Francisco, United States | — | 38 |
| WisdomAI | AI Tools & Apps | San Francisco, United States | $100.0M | 37 |
| Supernova | Developer Tools | San Francisco, United States | $129.2M | 37 |
| Harmonic AI | Foundation Model | San Francisco, United States | $142.0M | 36 |
| Fact-Base | AI Search Engine | San Francisco, United States | $28.5M | 36 |
| Littlebird | Agentic AI | San Francisco, United States | $11.0M | 35 |
| HEHelio | AI Tools & Apps | San Francisco, United States | $16.8M | 32 |
| Marvinn.ai | Generative AI | Tel Aviv, Israel | — | 31 |
| Briefbridge | AI Search Engine | Tel Aviv, Israel | $1.5M | 23 |
| newcode.ai | AI Coding Assistant | Tel Aviv, Israel | — | 10 |
| White Shoe | LegalTech | New York, United States | $2.0M | 10 |
| Lexis+ AI | LegalTech | New York, United States | — | 9 |
| Foundation Model | Tel Aviv, Israel | — | — | |
| Agentic AI | San Francisco, United States | — | — | |
| Postintelligencecontracts | LegalTech | — | — | — |
| AI Search Engine | Tel Aviv, Israel | $1.0M | — | |
| Agentic AI | Tel Aviv, Israel | — | — | |
| AI Search Engine | Paris, France | — | — | |
| Synchminds | AI Search Engine | Tel Aviv, Israel | — | — |
| Knowledge Management | San Francisco, United States | — | — | |
| Wisdomlink | AI Search Engine | San Francisco, United States | — | — |
| Yingbosaier | AI Search Engine | Beijing, China | $1.0M | — |
| AI Search Engine | Tel Aviv, Israel | $1.5M | — | |
| AI Search Engine | Tel Aviv, Israel | — | — | |
| REREASONARA | Foundation Model | Tel Aviv, Israel | — | — |
| AI Search Engine | Tel Aviv, Israel | — | — | |
| AI Coding Assistants (e.g., GitHub Copilot, Cursor) | AI Coding Assistant | New York, United States | $54.0M | 88 |
| Clio | LegalTech | Burnaby, Canada | — | 76 |
| Perplexity AI | Search Engine | San Francisco, United States | $591.4M | 71 |
| Harvey AI | LegalTech | New York, United States | $27.0M | 70 |
| Tessl | Enterprise | San Francisco, United States | $125.0M | 66 |