Open source focus
Open Source Alternatives to Annapurna Influence
60 open source Answer Engine Optimization options similar to Annapurna Influence, 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 EngineOpen source
- ThebabrainAI Search Engine
Open source
Auto InflateGenerative AIOpen source
FastclaudeAI Search EngineOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
- MOMoonshot AI68Frontier AI LabBeijing, China$3.9B
Open source
Elicit62Artificial IntelligenceOakland, United States$31.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Briefbridge36AI Search Engine$1.5MOpen source
GrackerAI33Agentic SEOTel Aviv, IsraelOpen source
Gizzmo30MediaOpen source
Andraste29Agentic AIOpen source
TinyFish23Artificial IntelligenceSan Francisco, United StatesOpen source
Recallguru22AI Search EngineOpen source
StartupHub.ai17AI Search EngineTel Aviv, IsraelOpen source
LlamaAi (DefiLlama)10FintechOpen source
Langchain-Chatchat10Open SourceOpen source · Self-hostable
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
42research4AI Search EngineOpen source
RedbuyE-commerceOpen source
CareerroiHR TechOpen source
VektorsearchpartnersAI Search EngineOpen source
StudyboltEdTechOpen source
AskjoynaAgentic AIOpen source
TripvaletTravel TechOpen source
PaperswanAI Search EngineOpen source
Coworker.aiHR TechOpen source
Open and AsyncAgentic AISan Francisco, United StatesOpen source
GoumiFoundation ModelOpen source
ZenlawyerLegalTechOpen source
StepnewsAI Search EngineOpen source
LlmverseAI Search EngineOpen source
PostintelligencecontractsLegalTechOpen source
BiblelensAI Search EngineOpen source
KaliaiFoundation ModelOpen source
KnowqlAI Search EngineOpen source
SecondarybrainAI Search EngineOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
- MIMintlify / mcpt57Developer ToolsSan Francisco, United States
Open source
Tavily57Generative AITel Aviv, Israel$5.0MOpen source
Market Beyond57RetailTechNew York, United States$4.0MOpen source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
Julius AI55Analytics PlatformSan Francisco, United States$20.5MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Deepjudge Ai54LegalTechTel Aviv, Israel$53.4MOpen source
Plane53Project ManagementSan Francisco, United States$4.0MOpen source
Taskade49SpaceTechNew York, United States$1.0MOpen source
Entire49Artificial Intelligence$60.0MOpen source · Self-hostable
Fundamental Research Labs49Frontier AI LabSan Francisco, United States$10.0MOpen source
Chalk.ai48LegalTechSan Francisco, United StatesOpen source
Keep47EnterpriseSan Francisco, United States$2.5MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| Dataforeveryone | AI Search Engine | Open source | — | — | — | |
| AI Search Engine | Open source | — | — | — | ||
| Auto Inflate | Generative AI | Open source | — | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $3.9B | 68 | |
| Elicit | Artificial Intelligence | Open source | Oakland, United States | $31.0M | 62 | |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 | |
| Briefbridge | AI Search Engine | Open source | — | $1.5M | 36 | |
| GrackerAI | Agentic SEO | Open source | Tel Aviv, Israel | — | 33 | |
| Gizzmo | Media | Open source | — | — | 30 | |
| Andraste | Agentic AI | Open source | — | — | 29 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 23 | |
| Recallguru | AI Search Engine | Open source | — | — | 22 | |
| StartupHub.ai | AI Search Engine | Open source | Tel Aviv, Israel | — | 17 | |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 | |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 10 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| 42research | AI Search Engine | Open source | — | — | 4 | |
| Redbuy | E-commerce | Open source | — | — | — | |
| Careerroi | HR Tech | Open source | — | — | — | |
| Vektorsearchpartners | AI Search Engine | Open source | — | — | — | |
| Studybolt | EdTech | Open source | — | — | — | |
| Askjoyna | Agentic AI | Open source | — | — | — | |
| Tripvalet | Travel Tech | Open source | — | — | — | |
| Paperswan | AI Search Engine | Open source | — | — | — | |
| Coworker.ai | HR Tech | Open source | — | — | — | |
| Open and Async | Agentic AI | Open source | San Francisco, United States | — | — | |
| Goumi | Foundation Model | Open source | — | — | — | |
| Zenlawyer | LegalTech | Open source | — | — | — | |
| Stepnews | AI Search Engine | Open source | — | — | — | |
| Llmverse | AI Search Engine | Open source | — | — | — | |
| Postintelligencecontracts | LegalTech | Open source | — | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Kaliai | Foundation Model | Open source | — | — | — | |
| Knowql | AI Search Engine | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | — | — | — | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 | |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 | |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 | |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 | |
| MIMintlify / mcpt | Developer Tools | Open source | San Francisco, United States | — | 57 | |
| Tavily | Generative AI | Open source | Tel Aviv, Israel | $5.0M | 57 | |
| Market Beyond | RetailTech | Open source | New York, United States | $4.0M | 57 | |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 | |
| Julius AI | Analytics Platform | Open source | San Francisco, United States | $20.5M | 55 | |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 | |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 | |
| Deepjudge Ai | LegalTech | Open source | Tel Aviv, Israel | $53.4M | 54 | |
| Plane | Project Management | Open source | San Francisco, United States | $4.0M | 53 | |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 49 | |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 49 | |
| Fundamental Research Labs | Frontier AI Lab | Open source | San Francisco, United States | $10.0M | 49 | |
| Chalk.ai | LegalTech | Open source | San Francisco, United States | — | 48 | |
| Keep | Enterprise | Open source · Self-hostable | San Francisco, United States | $2.5M | 47 |