Open source focus
Weights & Biases is open source
Open Source Alternatives to Weights & Biases
60 open source AI Infrastructure options similar to Weights & Biases, 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.
Comet ML62MLOpsNew York, United States$69.8MOpen source
MLflow45MLOpsSeattle, United StatesOpen source · Self-hostable
Weights & Biases (W&B)63MLOpsSan Francisco, United States$521.0MOpen source
Batchfoundry5AI InfrastructureOpen source
Replicate60AI InfrastructureSan Francisco, United StatesOpen source
Overops59EnterpriseSan Francisco, United States$49.5MOpen source
MosaicML (now Databricks)54Foundation ModelSan Francisco, United States$21.7MOpen source
Feast AI54MLOpsSan Francisco, United StatesOpen source · Self-hostable
JarvisLabs.ai43MLOpsSan Francisco, United StatesOpen source
ScaleKit42MLOpsSan Francisco, United States$5.5MOpen source
Neptune41MLOpsNew York, United States$11.0MOpen source
OuterBounds Technologies, Inc.41MLOpsSan Francisco, United StatesOpen source
- SOSource32AI InfrastructureSan Francisco, United States$24.0M
Open source · Self-hostable
Arize AI65AI ObservabilityBerkeley, United StatesOpen source
LangChain61Agentic AISan Francisco, United States$260.0MOpen source
Modular58AI InfrastructureSan Francisco, United States$380.0MOpen source
Paperspace55AI InfrastructureNew York, United States$166.5MOpen source
LightningAI55AI InfrastructureSan Francisco, United StatesOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
- HYHyphen AI54AI InfrastructureSeattle, United States$36.5M
Open source
Superwise.ai54DataTel Aviv, Israel$4.5MOpen source
Digma53EnterpriseTel Aviv, Israel$6.0MOpen source
nao Labs50Agentic AISan Francisco, United StatesOpen source
Spectral Compute49AI InfrastructureCambridge, United Kingdom$29.0MOpen source
Mendral46Agentic AISan Francisco, United States$15.0MOpen source
Microsoft43Operating SystemRedmond, United StatesOpen source
Runpod34AI InfrastructureNew York, United StatesOpen source
Inference.net31AI InfrastructureSan Francisco, United States$14.1MOpen source
Joeyydevops19MLOpsOpen source
Google Cloud Vertex AI8MLOpsMountain View, United StatesOpen source
EnttrackAI InfrastructureTel Aviv, IsraelOpen source
DrivecorpsAI InfrastructureOpen source
ThethirdbrainAI InfrastructureOpen source
Databricks82Data AnalyticsSan Francisco, United States$31.7BOpen source · Self-hostable
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Daytona66AI InfrastructureNew York, United States$46.0MOpen source
cubic65Supply ChainTel Aviv, IsraelOpen source
H2O.ai64Foundation ModelMountain View, United States$228.1MOpen source · Self-hostable
Trigger Device Inc63AI AgentsLondon, United Kingdom$16.5MOpen source · Self-hostable
Domino Data Lab, Inc.63AI GovernanceNew York, United States$100.5MOpen source
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Fiddler Labs, Inc.62MLOpsMountain View, United States$39.0MOpen source
fal AI61Generative AISan Francisco, United States$20.0MOpen source
Komodor61Software DevelopmentTel Aviv, Israel$67.0MOpen source
Weaviate60Vector DatabaseAmsterdam, NetherlandsOpen source
Comet59MLOpsNew York, United States$75.0MOpen source
Dash058ObservabilitySan Francisco, United States$147.2MOpen source
Langfuse GmbH58MLOpsBerlin, Germany$2.5MOpen source
Fal58Agentic AISan Francisco, United States$182.3MOpen source
Baseten57MLOpsSan Francisco, United States$2.3BOpen source
FriendliAI57AI InfrastructureRedwood City, United States$89.0MOpen source
Checksum55Test AutomationSan Francisco, United StatesOpen source
Traceloop55LLMOpsTel Aviv, Israel$6.1MOpen source
Arcten55Agentic AISan Francisco, United StatesOpen source
OpsMill55Artificial IntelligencePalo Alto, USA$26.0MOpen source
Mem054Agentic AISan Francisco, United States$24.0MOpen source · Self-hostable
Toolbase54Developer ToolsSan Francisco, United StatesOpen source
Langfuse54MLOpsBerlin, Germany$2.5MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Comet ML | MLOps | Open source | New York, United States | $69.8M | 62 |
| MLflow | MLOps | Open source · Self-hostable | Seattle, United States | — | 45 |
| Weights & Biases (W&B) | MLOps | Open source | San Francisco, United States | $521.0M | 63 |
| Batchfoundry | AI Infrastructure | Open source | — | — | 5 |
| Replicate | AI Infrastructure | Open source | San Francisco, United States | — | 60 |
| Overops | Enterprise | Open source | San Francisco, United States | $49.5M | 59 |
| 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 |
| JarvisLabs.ai | MLOps | Open source | San Francisco, United States | — | 43 |
| ScaleKit | MLOps | Open source | San Francisco, United States | $5.5M | 42 |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 41 |
| OuterBounds Technologies, Inc. | MLOps | Open source | San Francisco, United States | — | 41 |
| SOSource | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $24.0M | 32 |
| Arize AI | AI Observability | Open source | Berkeley, United States | — | 65 |
| LangChain | Agentic AI | Open source | San Francisco, United States | $260.0M | 61 |
| Modular | AI Infrastructure | Open source | San Francisco, United States | $380.0M | 58 |
| Paperspace | AI Infrastructure | Open source | New York, United States | $166.5M | 55 |
| LightningAI | AI Infrastructure | Open source | San Francisco, United States | — | 55 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| HYHyphen AI | AI Infrastructure | Open source | Seattle, United States | $36.5M | 54 |
| Superwise.ai | Data | Open source | Tel Aviv, Israel | $4.5M | 54 |
| Digma | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 |
| nao Labs | Agentic AI | Open source | San Francisco, United States | — | 50 |
| Spectral Compute | AI Infrastructure | Open source | Cambridge, United Kingdom | $29.0M | 49 |
| Mendral | Agentic AI | Open source | San Francisco, United States | $15.0M | 46 |
| Microsoft | Operating System | Open source | Redmond, United States | — | 43 |
| Runpod | AI Infrastructure | Open source | New York, United States | — | 34 |
| Inference.net | AI Infrastructure | Open source | San Francisco, United States | $14.1M | 31 |
| Joeyydevops | MLOps | Open source | — | — | 19 |
| Google Cloud Vertex AI | MLOps | Open source | Mountain View, United States | — | 8 |
| Enttrack | AI Infrastructure | Open source | Tel Aviv, Israel | — | — |
| Drivecorps | AI Infrastructure | Open source | — | — | — |
| Thethirdbrain | AI Infrastructure | Open source | — | — | — |
| Databricks | Data Analytics | Open source · Self-hostable | San Francisco, United States | $31.7B | 82 |
| 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 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Daytona | AI Infrastructure | Open source | New York, United States | $46.0M | 66 |
| cubic | Supply Chain | Open source | Tel Aviv, Israel | — | 65 |
| H2O.ai | Foundation Model | Open source · Self-hostable | Mountain View, United States | $228.1M | 64 |
| Trigger Device Inc | AI Agents | Open source · Self-hostable | London, United Kingdom | $16.5M | 63 |
| Domino Data Lab, Inc. | AI Governance | Open source | New York, United States | $100.5M | 63 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| Fiddler Labs, Inc. | MLOps | Open source | Mountain View, United States | $39.0M | 62 |
| fal AI | Generative AI | Open source | San Francisco, United States | $20.0M | 61 |
| Komodor | Software Development | Open source | Tel Aviv, Israel | $67.0M | 61 |
| Weaviate | Vector Database | Open source | Amsterdam, Netherlands | — | 60 |
| Comet | MLOps | Open source | New York, United States | $75.0M | 59 |
| Dash0 | Observability | Open source | San Francisco, United States | $147.2M | 58 |
| Langfuse GmbH | MLOps | Open source | Berlin, Germany | $2.5M | 58 |
| Fal | Agentic AI | Open source | San Francisco, United States | $182.3M | 58 |
| Baseten | MLOps | Open source | San Francisco, United States | $2.3B | 57 |
| FriendliAI | AI Infrastructure | Open source | Redwood City, United States | $89.0M | 57 |
| Checksum | Test Automation | Open source | San Francisco, United States | — | 55 |
| Traceloop | LLMOps | Open source | Tel Aviv, Israel | $6.1M | 55 |
| Arcten | Agentic AI | Open source | San Francisco, United States | — | 55 |
| OpsMill | Artificial Intelligence | Open source | Palo Alto, USA | $26.0M | 55 |
| Mem0 | Agentic AI | Open source · Self-hostable | San Francisco, United States | $24.0M | 54 |
| Toolbase | Developer Tools | Open source | San Francisco, United States | — | 54 |
| Langfuse | MLOps | Open source | Berlin, Germany | $2.5M | 54 |