Alternatives to 42research
The top AI Search Engine companies similar to 42research, 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.
Elicit62Artificial IntelligenceOakland, United States$31.0M- Sagenotebook17AI Search Engine
Unleash57EnterpriseSan Francisco, United States$35.0M
Mem.ai51Knowledge ManagementNew York, United States$29.1M- NONoteless34AI Search EngineSan Francisco, United States$39.1M
- Techfaqs33AI Search EngineTel Aviv, Israel$1.5M
GPT Researcher13Agentic AI
PaperswanAI Search EngineSan Francisco, United States
HavrutaAI Search EngineTel Aviv, Israel- ThoughtsatworkAI Search EngineTel Aviv, Israel$1.0M
SynchmindsAI Search EngineTel Aviv, Israel- XodoxAI Search EngineTel Aviv, Israel
- MnesticsKnowledge ManagementSan Francisco, United States
VektorsearchpartnersAI Search EngineTel Aviv, Israel- WithcontextosAI Search Engine
WisdomlinkAI Search EngineSan Francisco, United States
SecondarybrainAI Search EngineSan Francisco, United States- ContextwikiAI Search EngineTel Aviv, Israel
YingbosaierAI Search EngineBeijing, China
Open and AsyncAgentic AISan Francisco, United States- WinlayerAI Foundation & ComputeTel Aviv, Israel
AlphaSense73AI Search EngineNew York, United States$1.4B
Perplexity AI71Search EngineSan Francisco, United States$591.4M
Monica63ProductivityHong Kong, China$10.0M
Glean.ai60Accounts PayableSan Mateo, United States
Vectara60Agentic AIPalo Alto, United States$40.0M
rogo56FinanceNew York, United States$310.0M- EXExa Labs55Artificial IntelligenceSan Francisco, United States$250.0M
Southern55AI Search EngineSan Francisco, United States$300K
Pandektes55Agentic AITel Aviv, Israel$5.8M
Consensus54AI Search EngineLondon, United Kingdom
Deeto54EnterpriseSan Francisco, United States$12.5M
Geniez.ai50Foundation ModelNew York, United States$256.0M
Trata49Artificial IntelligenceNew York, United States$1.5M
xFind.ai49EnterpriseTel Aviv, Israel$3.0M
midpage47LegalTechNew York, United States$4.0M
Anchor AI47GovernmentSan Francisco, United States
Isacus46LegalTechTel Aviv, Israel$700K
Clico45AI Search EngineTel Aviv, Israel
Guidoio43Travel TechTel Aviv, Israel$37.8M
Haystack42AI Search EngineSan Francisco, United States$10.0M
Lateral41Knowledge ManagementSan Francisco, United States- Judicata40LegalTechSan Francisco, United States
Speclift40AI ToolTel Aviv, Israel$4.0M
Supernova37Developer ToolsSan Francisco, United States$129.2M
WisdomAI37AI Tools & AppsSan Francisco, United States$100.0M
StudyPro36WritingTel Aviv, Israel$1.0M
Answers36AI Search EngineSan Francisco, United States$1.5B
Fact-Base36AI Search EngineSan Francisco, United States$28.5M
Harmonic AI36Foundation ModelSan Francisco, United States$142.0M
Looq.ai35AI Search EngineTel Aviv, Israel$11.6M
CustomGPT35AI ChatbotTel Aviv, Israel$1.0M
Openmacaw35Agentic AISan Francisco, United States$15.0M- Ness Labs - Mgmt AI34AI Search EngineLondon, United Kingdom
- Knowla32AI Search EngineSan Francisco, United States
Andraste32Agentic AISan Francisco, United States
Marvinn.ai31Generative AITel Aviv, Israel
Limitless31Agentic AISan Francisco, United States$25.5M
Canotera30LegalTel Aviv, Israel
Induced28Agentic AITel Aviv, Israel
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Elicit | Artificial Intelligence | Oakland, United States | $31.0M | 62 |
| AI Search Engine | — | — | 17 | |
| Unleash | Enterprise | San Francisco, United States | $35.0M | 57 |
| Mem.ai | Knowledge Management | New York, United States | $29.1M | 51 |
| NONoteless | AI Search Engine | San Francisco, United States | $39.1M | 34 |
| AI Search Engine | Tel Aviv, Israel | $1.5M | 33 | |
| GPT Researcher | Agentic AI | — | — | 13 |
| Paperswan | AI Search Engine | San Francisco, United States | — | — |
| Havruta | AI Search Engine | Tel Aviv, Israel | — | — |
| AI Search Engine | Tel Aviv, Israel | $1.0M | — | |
| Synchminds | AI Search Engine | Tel Aviv, Israel | — | — |
| AI Search Engine | Tel Aviv, Israel | — | — | |
| Knowledge Management | San Francisco, United States | — | — | |
| Vektorsearchpartners | AI Search Engine | Tel Aviv, Israel | — | — |
| AI Search Engine | — | — | — | |
| Wisdomlink | AI Search Engine | San Francisco, United States | — | — |
| Secondarybrain | AI Search Engine | San Francisco, United States | — | — |
| AI Search Engine | Tel Aviv, Israel | — | — | |
| Yingbosaier | AI Search Engine | Beijing, China | — | — |
| Open and Async | Agentic AI | San Francisco, United States | — | — |
| AI Foundation & Compute | Tel Aviv, Israel | — | — | |
| AlphaSense | AI Search Engine | New York, United States | $1.4B | 73 |
| Perplexity AI | Search Engine | San Francisco, United States | $591.4M | 71 |
| Monica | Productivity | Hong Kong, China | $10.0M | 63 |
| Glean.ai | Accounts Payable | San Mateo, United States | — | 60 |
| Vectara | Agentic AI | Palo Alto, United States | $40.0M | 60 |
| rogo | Finance | New York, United States | $310.0M | 56 |
| EXExa Labs | Artificial Intelligence | San Francisco, United States | $250.0M | 55 |
| Southern | AI Search Engine | San Francisco, United States | $300K | 55 |
| Pandektes | Agentic AI | Tel Aviv, Israel | $5.8M | 55 |
| Consensus | AI Search Engine | London, United Kingdom | — | 54 |
| Deeto | Enterprise | San Francisco, United States | $12.5M | 54 |
| Geniez.ai | Foundation Model | New York, United States | $256.0M | 50 |
| Trata | Artificial Intelligence | New York, United States | $1.5M | 49 |
| xFind.ai | Enterprise | Tel Aviv, Israel | $3.0M | 49 |
| midpage | LegalTech | New York, United States | $4.0M | 47 |
| Anchor AI | Government | San Francisco, United States | — | 47 |
| Isacus | LegalTech | Tel Aviv, Israel | $700K | 46 |
| Clico | AI Search Engine | Tel Aviv, Israel | — | 45 |
| Guidoio | Travel Tech | Tel Aviv, Israel | $37.8M | 43 |
| Haystack | AI Search Engine | San Francisco, United States | $10.0M | 42 |
| Lateral | Knowledge Management | San Francisco, United States | — | 41 |
| LegalTech | San Francisco, United States | — | 40 | |
| Speclift | AI Tool | Tel Aviv, Israel | $4.0M | 40 |
| Supernova | Developer Tools | San Francisco, United States | $129.2M | 37 |
| WisdomAI | AI Tools & Apps | San Francisco, United States | $100.0M | 37 |
| StudyPro | Writing | Tel Aviv, Israel | $1.0M | 36 |
| Answers | AI Search Engine | San Francisco, United States | $1.5B | 36 |
| Fact-Base | AI Search Engine | San Francisco, United States | $28.5M | 36 |
| Harmonic AI | Foundation Model | San Francisco, United States | $142.0M | 36 |
| Looq.ai | AI Search Engine | Tel Aviv, Israel | $11.6M | 35 |
| CustomGPT | AI Chatbot | Tel Aviv, Israel | $1.0M | 35 |
| Openmacaw | Agentic AI | San Francisco, United States | $15.0M | 35 |
| AI Search Engine | London, United Kingdom | — | 34 | |
| AI Search Engine | San Francisco, United States | — | 32 | |
| Andraste | Agentic AI | San Francisco, United States | — | 32 |
| Marvinn.ai | Generative AI | Tel Aviv, Israel | — | 31 |
| Limitless | Agentic AI | San Francisco, United States | $25.5M | 31 |
| Canotera | Legal | Tel Aviv, Israel | — | 30 |
| Induced | Agentic AI | Tel Aviv, Israel | — | 28 |