Open source focus
Open Source Alternatives to Promty
60 open source Prompt Engineering options similar to Promty, 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
Modelglass12AI InfrastructureSydney, AustraliaOpen source
FastclaudeAI Search EngineOpen source
IntellaiGenerative AIOpen source
Coworker.aiHR TechOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Lovable75No-Code/Low-CodeStockholm, Sweden$1.2BOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
- MOMoonshot AI69Frontier AI LabBeijing, China$250.0M
Open source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Chai56AI ChatbotSan Francisco, United States$62.0MOpen source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
- Why-Health42Productivity
Open source
Noumena AI35Agentic AIתל אביב - יפו, IsraelOpen source
Laghav34AI InfrastructureSan Francisco, United States$1.5MOpen source
Andraste32Agentic AISan Francisco, United StatesOpen source
AIMLAPI26API PlatformTallinn, EstoniaOpen source
Atomic Chat19On-Device AIOpen source
GPT Researcher13Agentic AIOpen source
Helixaai8Foundation ModelOpen source
Truebloom8Agentic AISan Francisco, United StatesOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
SecondarybrainAI Search EngineSan Francisco, United StatesOpen source
GrowsocialSocial Media MarketingTel Aviv, IsraelOpen source
- ThripFoundation Model
Open source
AlukiFoundation ModelOpen source
- FingeringsAgentic AI
Open source
InstructionlabAI Tools & AppsSan Francisco, United StatesOpen source
AntesisFoundation ModelOpen source
EyrusAI InfrastructureOpen source
DataforeveryoneAI Search EngineSan Francisco, United StatesOpen source
AskjoynaAgentic AISan Francisco, United StatesOpen source
AlraidcFoundation ModelOpen source
SafeforkCybersecurityTel Aviv, IsraelOpen source
UseacreAI Search EngineOpen source
DraftosAI ToolOpen source
GoumiFoundation ModelBeaverton, United StatesOpen source
KaliaiFoundation ModelSan Francisco, United StatesOpen source
BiblelensAI Search EngineOpen source
- ThebabrainAI Search Engine
Open source
Off GridEdge AIOpen source · Self-hostable
DowjoFoundation ModelOpen source
Tosly.onlineAgentic AIOpen source
EtymoltAgentic AIOpen source
EcomagenticAgentic AIOpen source
TanakasunAI OrchestrationOpen source
Auto InflateGenerative AIOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Bloomberg L.P.82FintechNew York, United States$60.1BOpen source
SpaceXAI76Frontier AI LabPalo Alto, United States$32.1BOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
DeepSeek AI70AI InfrastructureBeijing, China$7.0BOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
Stability AI68Generative AILondon, United Kingdom$101.0MOpen source · Self-hostable
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
Dust65Agentic AIParis, France$15.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 |
| Modelglass | AI Infrastructure | Open source | Sydney, Australia | — | 12 |
| Fastclaude | AI Search Engine | Open source | — | — | — |
| Intellai | Generative AI | Open source | — | — | — |
| Coworker.ai | HR Tech | Open source | — | — | — |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 |
| Lovable | No-Code/Low-Code | Open source | Stockholm, Sweden | $1.2B | 75 |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| MOMoonshot AI | Frontier AI Lab | Open source | Beijing, China | $250.0M | 69 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Chai | AI Chatbot | Open source | San Francisco, United States | $62.0M | 56 |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 |
| Productivity | Open source | — | — | 42 | |
| Noumena AI | Agentic AI | Open source | תל אביב - יפו, Israel | — | 35 |
| Laghav | AI Infrastructure | Open source | San Francisco, United States | $1.5M | 34 |
| Andraste | Agentic AI | Open source | San Francisco, United States | — | 32 |
| AIMLAPI | API Platform | Open source | Tallinn, Estonia | — | 26 |
| Atomic Chat | On-Device AI | Open source | — | — | 19 |
| GPT Researcher | Agentic AI | Open source | — | — | 13 |
| Helixaai | Foundation Model | Open source | — | — | 8 |
| Truebloom | Agentic AI | Open source | San Francisco, United States | — | 8 |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| Secondarybrain | AI Search Engine | Open source | San Francisco, United States | — | — |
| Growsocial | Social Media Marketing | Open source | Tel Aviv, Israel | — | — |
| Foundation Model | Open source | — | — | — | |
| Aluki | Foundation Model | Open source | — | — | — |
| Agentic AI | Open source | — | — | — | |
| Instructionlab | AI Tools & Apps | Open source | San Francisco, United States | — | — |
| Antesis | Foundation Model | Open source | — | — | — |
| Eyrus | AI Infrastructure | Open source | — | — | — |
| Dataforeveryone | AI Search Engine | Open source | San Francisco, United States | — | — |
| Askjoyna | Agentic AI | Open source | San Francisco, United States | — | — |
| Alraidc | Foundation Model | Open source | — | — | — |
| Safefork | Cybersecurity | Open source | Tel Aviv, Israel | — | — |
| Useacre | AI Search Engine | Open source | — | — | — |
| Draftos | AI Tool | Open source | — | — | — |
| Goumi | Foundation Model | Open source | Beaverton, United States | — | — |
| Kaliai | Foundation Model | Open source | San Francisco, United States | — | — |
| Biblelens | AI Search Engine | Open source | — | — | — |
| AI Search Engine | Open source | — | — | — | |
| Off Grid | Edge AI | Open source · Self-hostable | — | — | — |
| Dowjo | Foundation Model | Open source | — | — | — |
| Tosly.online | Agentic AI | Open source | — | — | — |
| Etymolt | Agentic AI | Open source | — | — | — |
| Ecomagentic | Agentic AI | Open source | — | — | — |
| Tanakasun | AI Orchestration | Open source | — | — | — |
| Auto Inflate | Generative AI | Open source | — | — | — |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 |
| Bloomberg L.P. | Fintech | Open source | New York, United States | $60.1B | 82 |
| SpaceXAI | Frontier AI Lab | Open source | Palo Alto, United States | $32.1B | 76 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | $7.0B | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 |
| Stability AI | Generative AI | Open source · Self-hostable | London, United Kingdom | $101.0M | 68 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |