Open source focus
Open Source Alternatives to Gptsubs
60 open source AI Tool options similar to Gptsubs, 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.
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Chai56AI ChatbotSan Francisco, United States$60.0MOpen source
- Why-Health42Productivity
Open source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
Neptune39MLOpsNew York, United States$11.0MOpen source
Noumena AI35Agentic AIתל אביב - יפו, IsraelOpen source
Opactor33Agentic AISan Francisco, United StatesOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
Gizzmo27MediaOpen source
AIMLAPI26API PlatformTallinn, EstoniaOpen source
Atomic Chat19On-Device AIOpen source
GPT Researcher13Agentic AIOpen source
Modelglass12AI InfrastructureSydney, AustraliaOpen source
Helixaai8Foundation ModelLondon, United KingdomOpen source
Truebloom8Agentic AISan Francisco, United StatesOpen source
Agentradio7AI Coding AssistantOpen source
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
Tosly.onlineAgentic AIOpen source
Auto InflateGenerative AIOpen source
Off GridEdge AIOpen source · Self-hostable
AskjoynaAgentic AISan Francisco, United StatesOpen source
DataforeveryoneAI Search EngineSan Francisco, United StatesOpen source
FastclaudeAI Search EngineOpen source
EtymoltAgentic AIOpen source
EyrusAI InfrastructureOpen source
BiblelensAI Search EngineOpen source
TanakasunAI OrchestrationOpen source
Thiomi LughaEdTechOpen source
DraftosAI ToolOpen source
SafeforkCybersecurityTel Aviv, IsraelOpen source
EcomagenticAgentic AIOpen source
- FingeringsAgentic AI
Open source
RedbuyE-commerceOpen source
- WiretensorsAI Search Engine
Open source
- ThripFoundation Model
Open source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
- ThebabrainAI Search Engine
Open source
Coworker.aiHR TechOpen source
- AigrowwContent Creation AI
Open source
AlraidcFoundation ModelOpen source
UseacreAI Search EngineOpen source
IntellaiGenerative AIOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
DowjoFoundation ModelOpen source
AlukiFoundation ModelOpen source
AntesisFoundation ModelOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
GrowsocialSocial Media MarketingTel Aviv, IsraelOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
SpaceXAI76Frontier AI LabPalo Alto, United States$90.0BOpen source
DeepSeek AI70AI InfrastructureBeijing, China$15.8BOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 | |
| Chai | AI Chatbot | Open source | San Francisco, United States | $60.0M | 56 | |
| Productivity | Open source | — | — | 42 | ||
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 | |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 39 | |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 35 | |
| Opactor | Agentic AI | Open source | San Francisco, United States | — | 33 | |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 | |
| Gizzmo | Media | Open source | — | — | 27 | |
| AIMLAPI | API Platform | Open source | Tallinn, Estonia | — | 26 | |
| Atomic Chat | On-Device AI | Open source | — | — | 19 | |
| GPT Researcher | Agentic AI | Open source | — | — | 13 | |
| Modelglass | AI Infrastructure | Open source | Sydney, Australia | — | 12 | |
| Helixaai | Foundation Model | Open source | London, United Kingdom | — | 8 | |
| Truebloom | Agentic AI | Open source | San Francisco, United States | — | 8 | |
| Agentradio | AI Coding Assistant | Open source | — | — | 7 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 | |
| Tosly.online | Agentic AI | Open source | — | — | — | |
| Auto Inflate | Generative AI | Open source | — | — | — | |
| Off Grid | Edge AI | Open source · Self-hostable | — | — | — | |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — | |
| Dataforeveryone | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Fastclaude | AI Search Engine | Open source | — | — | — | |
| Etymolt | Agentic AI | Open source | — | — | — | |
| Eyrus | AI Infrastructure | Open source | — | — | — | |
| Biblelens | AI Search Engine | Open source | — | — | — | |
| Tanakasun | AI Orchestration | Open source | — | — | — | |
| Thiomi Lugha | EdTech | Open source | — | — | — | |
| Draftos | AI Tool | Open source | — | — | — | |
| Safefork | Cybersecurity | Open source | Tel Aviv, Israel | — | — | |
| Ecomagentic | Agentic AI | Open source | — | — | — | |
| Agentic AI | Open source | — | — | — | ||
| Redbuy | E-commerce | Open source | — | — | — | |
| AI Search Engine | Open source | — | — | — | ||
| Foundation Model | Open source | — | — | — | ||
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — | |
| AI Search Engine | Open source | — | — | — | ||
| Coworker.ai | HR Tech | Open source | — | — | — | |
| Content Creation AI | Open source | — | — | — | ||
| Alraidc | Foundation Model | Open source | — | — | — | |
| Useacre | AI Search Engine | Open source | — | — | — | |
| Intellai | Generative AI | Open source | — | — | — | |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — | |
| Dowjo | Foundation Model | Open source | — | — | — | |
| Aluki | Foundation Model | Open source | — | — | — | |
| Antesis | Foundation Model | Open source | — | — | — | |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — | |
| Growsocial | Social Media Marketing | Open source | Tel Aviv, Israel | — | — | |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 | |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 76 | |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | $15.8B | 70 | |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |