Open source focus
Open Source Alternatives to Micastack
60 open source API Platform options similar to Micastack, 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.
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Runpod49AI InfrastructureNew York, United StatesOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Alpic44AI InfrastructureParis, France$12.0MOpen source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
Neptune41MLOpsNew York, United States$11.0MOpen source
Laghav34AI InfrastructureSan Francisco, United States$1.5MOpen source
AIMLAPI30Machine LearningOpen source
CRAB26Agentic AIOpen source · Self-hostable
- BABabyAGI18Agentic AI
Open source · Self-hostable
- Merius18Foundation ModelSan Francisco, United States
Open source
Protoevo17Foundation ModelOpen source
- COCometAPI15API PlatformSha Tin, China
Open source
kuafuai8Agentic AIBeijing, ChinaOpen source
Google Cloud Vertex AI8MLOpsMountain View, United StatesOpen source
PostgraphAPI PlatformOpen source
- SandboxdDeveloper ToolsTel Aviv, Israel
Open source
DeepSeek AI70AI InfrastructureBeijing, ChinaOpen source
Daytona66AI InfrastructureNew York, United States$46.0MOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
fal AI61Generative AISan Francisco, United States$20.0MOpen source
Replicate60AI InfrastructureSan Francisco, United StatesOpen source
Weaviate60Vector DatabaseAmsterdam, NetherlandsOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
Auto-GPT56Agentic AI$12.0MOpen source · Self-hostable
Blaxel56Agentic AISan Francisco, United States$14.6MOpen source
- CLClerk56Developer ToolsSan Francisco, United States$69.0M
Open source
CHAI: AI Platform56AI InfrastructurePalo Alto, United States$3.7MOpen source
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
Traceloop55LLMOpsTel Aviv, Israel$6.1MOpen source
pleias55AI InfrastructureParis, FranceOpen source
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Mem054Agentic AISan Francisco, United States$24.0MOpen source · Self-hostable
Ultravox.ai52Agentic AISan Francisco, United States$10.0MOpen source
Ollama52Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Prem47Artificial IntelligenceZurich, Switzerland$100.0MOpen source
Runware46AI InfrastructureSan Francisco, United States$66.0MOpen source
JarvisLabs.ai43MLOpsSan Francisco, United StatesOpen source
- Litellm42LLM OrchestrationSan Francisco, United States
Open source · Self-hostable
OuterBounds Technologies, Inc.41MLOpsSan Francisco, United StatesOpen source
- AIAI Technology Stack Solidus Tech39AI InfrastructureLondon, United Kingdom$10.0M
Open source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 |
| Runpod | AI Infrastructure | Open source | New York, United States | — | 49 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Alpic | AI Infrastructure | Open source | Paris, France | $12.0M | 44 |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 41 |
| Laghav | AI Infrastructure | Open source | San Francisco, United States | $1.5M | 34 |
| AIMLAPI | Machine Learning | Open source | — | — | 30 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| BABabyAGI | Agentic AI | Open source · Self-hostable | — | — | 18 |
| Foundation Model | Open source | San Francisco, United States | — | 18 | |
| Protoevo | Foundation Model | Open source | — | — | 17 |
| COCometAPI | API Platform | Open source | Sha Tin, China | — | 15 |
| kuafuai | Agentic AI | Open source | Beijing, China | — | 8 |
| Google Cloud Vertex AI | MLOps | Open source | Mountain View, United States | — | 8 |
| Postgraph | API Platform | Open source | — | — | — |
| Developer Tools | Open source | Tel Aviv, Israel | — | — | |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | — | 70 |
| Daytona | AI Infrastructure | Open source | New York, United States | $46.0M | 66 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 65 |
| Arize AI | AI Observability | Open source | Berkeley, United States | — | 65 |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 |
| LiteLLM | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 62 |
| fal AI | Generative AI | Open source | San Francisco, United States | $20.0M | 61 |
| Replicate | AI Infrastructure | Open source | San Francisco, United States | — | 60 |
| Weaviate | Vector Database | Open source | Amsterdam, Netherlands | — | 60 |
| Composio | Agentic AI | Open source | San Francisco, United States | $50.0M | 59 |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| Auto-GPT | Agentic AI | Open source · Self-hostable | — | $12.0M | 56 |
| Blaxel | Agentic AI | Open source | San Francisco, United States | $14.6M | 56 |
| CLClerk | Developer Tools | Open source | San Francisco, United States | $69.0M | 56 |
| CHAI: AI Platform | AI Infrastructure | Open source | Palo Alto, United States | $3.7M | 56 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| Traceloop | LLMOps | Open source | Tel Aviv, Israel | $6.1M | 55 |
| pleias | AI Infrastructure | Open source | Paris, France | — | 55 |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| Mem0 | Agentic AI | Open source · Self-hostable | San Francisco, United States | $24.0M | 54 |
| Ultravox.ai | Agentic AI | Open source | San Francisco, United States | $10.0M | 52 |
| Ollama | Foundation Model | Open source · Self-hostable | San Francisco, United States | — | 52 |
| Prem | Artificial Intelligence | Open source | Zurich, Switzerland | $100.0M | 47 |
| Runware | AI Infrastructure | Open source | San Francisco, United States | $66.0M | 46 |
| JarvisLabs.ai | MLOps | Open source | San Francisco, United States | — | 43 |
| LLM Orchestration | Open source · Self-hostable | San Francisco, United States | — | 42 | |
| OuterBounds Technologies, Inc. | MLOps | Open source | San Francisco, United States | — | 41 |
| AIAI Technology Stack Solidus Tech | AI Infrastructure | Open source | London, United Kingdom | $10.0M | 39 |