Open source focus
Open Source Alternatives to Sumosear
60 open source AI Search Engine options similar to Sumosear, 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.
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Lovable75No-Code/Low-CodeStockholm, Sweden$880.2MOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Vectara60Agentic AIPalo Alto, United States$40.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
- MIMintlify / mcpt57Developer ToolsSan Francisco, United States
Open source
- CLClerk56Developer ToolsSan Francisco, United States$69.0M
Open source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Traceloop55LLMOpsTel Aviv, Israel$6.1MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Anon53Agentic AI$6.5MOpen source
Ollama52Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Isacus46LegalTechTel Aviv, Israel$700KOpen source
Seek AI46AI Coding AssistantTel Aviv, IsraelOpen source
Taskade46SpaceTechNew York, United States$1.0MOpen source
Apideck46API PlatformUnknown, UnknownOpen source
- GRGreptile44AI Coding AssistantSan Francisco, United States$6.5M
Open source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Adot43E-commerceSan Francisco, United StatesOpen source
Haystack42AI Search EngineSan Francisco, United States$10.0MOpen source
- Litellm42LLM OrchestrationSan Francisco, United States
Open source · Self-hostable
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
Neptune41MLOpsNew York, United States$11.0MOpen source
Supernova37Developer ToolsSan Francisco, United States$129.2MOpen source
Laghav34AI InfrastructureSan Francisco, United States$1.5MOpen source
GrackerAI33Agentic SEOTel Aviv, IsraelOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
AIMLAPI30Machine LearningOpen source
Magick AI28Agentic AIOpen source
MemGPT28Foundation ModelOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
CRAB26Agentic AIOpen source · Self-hostable
Langbase20Agentic AISan Francisco, United StatesOpen source
- Merius18Foundation ModelSan Francisco, United States
Open source
- BABabyAGI18Agentic AI
Open source · Self-hostable
Protoevo17Foundation ModelOpen source
- COCometAPI15API PlatformSha Tin, China
Open source
GPT Researcher13Agentic AIOpen source
- AGAgent Pilot13Agentic AI
Open source · Self-hostable
WebWright11API PlatformOpen source
Langchain-Chatchat11Open SourceOpen source · Self-hostable
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
LlamaAi (DefiLlama)10FintechOpen source
AI Planet9Agentic AIOpen source
kuafuai8Agentic AIBeijing, ChinaOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| Lovable | No-Code/Low-Code | Open source | Stockholm, Sweden | $880.2M | 75 |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Vectara | Agentic AI | Open source | Palo Alto, United States | $40.0M | 60 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 |
| MIMintlify / mcpt | Developer Tools | Open source | San Francisco, United States | — | 57 |
| CLClerk | Developer Tools | Open source | San Francisco, United States | $69.0M | 56 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Traceloop | LLMOps | Open source | Tel Aviv, Israel | $6.1M | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| Anon | Agentic AI | Open source | — | $6.5M | 53 |
| Ollama | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 52 |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 |
| Isacus | LegalTech | Open source | Tel Aviv, Israel | $700K | 46 |
| Seek AI | AI Coding Assistant | Open source | Tel Aviv, Israel | — | 46 |
| Taskade | SpaceTech | Open source | New York, United States | $1.0M | 46 |
| Apideck | API Platform | Open source | Unknown, Unknown | — | 46 |
| GRGreptile | AI Coding Assistant | Open source | San Francisco, United States | $6.5M | 44 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Adot | E-commerce | Open source | San Francisco, United States | — | 43 |
| Haystack | AI Search Engine | Open source | San Francisco, United States | $10.0M | 42 |
| LLM Orchestration | Open source · Self-hostable | San Francisco, United States | — | 42 | |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 41 |
| Supernova | Developer Tools | Open source | San Francisco, United States | $129.2M | 37 |
| Laghav | AI Infrastructure | Open source | San Francisco, United States | $1.5M | 34 |
| GrackerAI | Agentic SEO | Open source | Tel Aviv, Israel | — | 33 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| AIMLAPI | Machine Learning | Open source | — | — | 30 |
| Magick AI | Agentic AI | Open source | — | — | 28 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| Langbase | Agentic AI | Open source | San Francisco, United States | — | 20 |
| Foundation Model | Open source | San Francisco, United States | — | 18 | |
| BABabyAGI | Agentic AI | Open source · Self-hostable | — | — | 18 |
| Protoevo | Foundation Model | Open source | — | — | 17 |
| COCometAPI | API Platform | Open source | Sha Tin, China | — | 15 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| AGAgent Pilot | Agentic AI | Open source · Self-hostable | — | — | 13 |
| WebWright | API Platform | Open source | — | — | 11 |
| Langchain-Chatchat | Open Source | Open source · Self-hostable | — | — | 11 |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 |
| LlamaAi (DefiLlama) | Fintech | Open source | — | — | 10 |
| AI Planet | Agentic AI | Open source | — | — | 9 |
| kuafuai | Agentic AI | Open source | Beijing, China | — | 8 |