Open source focus
Open Source Alternatives to 91code
60 open source API Platform options similar to 91code, 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.
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
AnyScale61AI InfrastructureSan Francisco, United States$260.0MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
Neptune41MLOpsNew York, United States$11.0MOpen source
WebWright11API PlatformOpen source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
Dust65Agentic AIParis, France$15.0MOpen source
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
LiteLLM62Foundation ModelSan Francisco, United StatesOpen source · Self-hostable
Replicate60AI InfrastructureSan Francisco, United StatesOpen source
Weaviate60Vector DatabaseAmsterdam, NetherlandsOpen source
Composio59Agentic AISan Francisco, United States$50.0MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
Langfuse54MLOpsBerlin, Germany$2.5MOpen source
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Mem054Agentic AISan Francisco, United States$24.0MOpen source · Self-hostable
Bito54AI Coding AssistantSan Francisco, United States$5.7MOpen source
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Modal Labs52Agentic AISan Francisco, United States$693.0MOpen source
Manufact Inc.52AI InfrastructureSan Francisco, United States$6.3MOpen source
RelAI51Agentic AISan Francisco, United States$10.0MOpen source · Self-hostable
Runpod49AI InfrastructureNew York, United StatesOpen source
Apideck46API PlatformUnknown, UnknownOpen source
JarvisLabs.ai43MLOpsSan Francisco, United StatesOpen source
OuterBounds Technologies, Inc.41MLOpsSan Francisco, United StatesOpen source
Laghav34AI InfrastructureSan Francisco, United States$1.5MOpen source
- SOSource32AI InfrastructureSan Francisco, United States$24.0M
Open source · Self-hostable
Qualifire32Generative AIOpen source
Inference.net31AI InfrastructureSan Francisco, United States$14.1MOpen source
AIMLAPI30Machine LearningOpen source
MemGPT28Foundation ModelOpen source
Gemini CLI27AI Tools & AppsOpen source · Self-hostable
CRAB26Agentic AIOpen source · Self-hostable
Briefbridge23AI Search EngineTel Aviv, Israel$1.5MOpen source
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
- POPostgres MCP10DatabaseSan Francisco, United States
Open source
kuafuai8Agentic AIBeijing, ChinaOpen source
Google Cloud Vertex AI8MLOpsMountain View, United StatesOpen source
Coworker.aiHR TechOpen source
ClauderizerAI Coding AssistantOpen source
PostgraphAPI PlatformOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
DeepSeek AI70AI InfrastructureBeijing, ChinaOpen source
Daytona66AI InfrastructureNew York, United States$46.0MOpen source
Weights & Biases66AI InfrastructureSan Francisco, United StatesOpen source
cubic65Supply ChainTel Aviv, IsraelOpen source
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| AnyScale | AI Infrastructure | Open source | San Francisco, United States | $260.0M | 61 |
| Feast AI | MLOps | Open source · Self-hostable | San Francisco, United States | — | 54 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| MosaicML (now Databricks) | Foundation Model | Open source | San Francisco, United States | $21.7M | 54 |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 41 |
| WebWright | API Platform | Open source | — | — | 11 |
| 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 |
| Arize AI | AI Observability | Open source | Berkeley, United States | — | 65 |
| Dust | Agentic AI | Open source | Paris, France | $15.0M | 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 |
| 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 |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| Langfuse | MLOps | Open source | Berlin, Germany | $2.5M | 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 |
| Bito | AI Coding Assistant | Open source | San Francisco, United States | $5.7M | 54 |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Modal Labs | Agentic AI | Open source | San Francisco, United States | $693.0M | 52 |
| Manufact Inc. | AI Infrastructure | Open source | San Francisco, United States | $6.3M | 52 |
| RelAI | Agentic AI | Open source · Self-hostable | San Francisco, United States | $10.0M | 51 |
| Runpod | AI Infrastructure | Open source | New York, United States | — | 49 |
| Apideck | API Platform | Open source | Unknown, Unknown | — | 46 |
| JarvisLabs.ai | MLOps | Open source | San Francisco, United States | — | 43 |
| OuterBounds Technologies, Inc. | MLOps | Open source | San Francisco, United States | — | 41 |
| Laghav | AI Infrastructure | Open source | San Francisco, United States | $1.5M | 34 |
| SOSource | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $24.0M | 32 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Inference.net | AI Infrastructure | Open source | San Francisco, United States | $14.1M | 31 |
| AIMLAPI | Machine Learning | Open source | — | — | 30 |
| MemGPT | Foundation Model | Open source | — | — | 28 |
| Gemini CLI | AI Tools & Apps | Open source · Self-hostable | — | — | 27 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| Briefbridge | AI Search Engine | Open source | Tel Aviv, Israel | $1.5M | 23 |
| 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 |
| POPostgres MCP | Database | Open source | San Francisco, United States | — | 10 |
| kuafuai | Agentic AI | Open source | Beijing, China | — | 8 |
| Google Cloud Vertex AI | MLOps | Open source | Mountain View, United States | — | 8 |
| Coworker.ai | HR Tech | Open source | — | — | — |
| Clauderizer | AI Coding Assistant | Open source | — | — | — |
| Postgraph | API Platform | Open source | — | — | — |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | — | 70 |
| Daytona | AI Infrastructure | Open source | New York, United States | $46.0M | 66 |
| Weights & Biases | AI Infrastructure | Open source | San Francisco, United States | — | 66 |
| cubic | Supply Chain | Open source | Tel Aviv, Israel | — | 65 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |