Alternatives to Weights & Biases

The top AI Infrastructure companies similar to Weights & Biases, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.

Open source alternatives to Weights & Biases (60) →

Company	Sector	HQ	Funding	Score
Comet ML	MLOps	New York, United States	$69.8M	62
MLflow	MLOps	Seattle, United States	—	45
Weights & Biases (W&B)	MLOps	San Francisco, United States	$521.0M	63
Batchfoundry	AI Infrastructure	—	—	5
Predibase	MLOps	San Francisco, United States	—	61
Replicate	AI Infrastructure	San Francisco, United States	—	60
Overops	Enterprise	San Francisco, United States	$49.5M	59
Enfabrica	AI Infrastructure	San Francisco, United States	$126.2M	58
AI Fabrics Israel	MLOps	Tel Aviv, Israel	—	54
Spawns.ai	Synthetic Data Generation	Tel Aviv, Israel	—	54
MosaicML (now Databricks)	Foundation Model	San Francisco, United States	$21.7M	54
Feast AI	MLOps	San Francisco, United States	—	54
PLPlayerZero	MLOps	Tel Aviv, Israel	$30.5M	50
JarvisLabs.ai	MLOps	San Francisco, United States	—	43
ScaleKit	MLOps	San Francisco, United States	$5.5M	42
OuterBounds Technologies, Inc.	MLOps	San Francisco, United States	—	41
Neptune	MLOps	New York, United States	$11.0M	41
Persistencelayer	AI Infrastructure	San Francisco, United States	—	40
Model ML	MLOps	San Francisco, United States	$128.0M	35
SOSource	AI Infrastructure	San Francisco, United States	$24.0M	32
GEGenSpark AI	MLOps	San Francisco, United States	$60.0M	27
Amazon SageMaker	AI Cloud Services	Seattle, United States	—	23
WAYTO AI	AI Infrastructure	Tel Aviv, Israel	—	16
Unyield	Observability	San Francisco, United States	—	—
Keypairinfra	AI Infrastructure	—	—	—
Mysubstrate	AI Infrastructure	—	—	—
LangSmith	LLMOps	San Francisco, United States	$25.0M	75
Arize AI	AI Observability	Berkeley, United States	—	65
Judgment Labs	Agentic AI	San Francisco, United States	$32.0M	64
Parasail	Artificial Intelligence	San Francisco, United States	$42.0M	63
LangChain	Agentic AI	San Francisco, United States	$260.0M	61
Clarifai	AI Infrastructure	New York, United States	$100.0M	61
Fireworks AI	AI Infrastructure	Redwood City, USA	$279.5M	60
OctoML	Generative AI	Seattle, United States	$131.9M	59
Braintrust	Artificial Intelligence	San Francisco, USA	$63.0M	58
Modular	AI Infrastructure	San Francisco, United States	$380.0M	58
Raven.io	Enterprise	San Francisco, United States	—	55
Vect	Enterprise	San Francisco, United States	—	55
Fermi	AI Infrastructure	San Francisco, United States	$33.5M	55
Evolution.Inc	AI Enablers	San Francisco, United States	—	55
LightningAI	AI Infrastructure	San Francisco, United States	—	55
Paperspace	AI Infrastructure	New York, United States	$166.5M	55
Vaticy	Enterprise	Tel Aviv, Israel	—	54
Superwise.ai	Data	Tel Aviv, Israel	$4.5M	54
KiloClaw	Artificial Intelligence	—	—	54
HYHyphen AI	AI Infrastructure	Seattle, United States	$36.5M	54
HYHyperdrive	AI Infrastructure	San Francisco, United States	$5.0M	54
ModelHub AI	AI Infrastructure	San Francisco, United States	—	54
FLFLock.io Ltd	MLOps	Tel Aviv, Israel	—	53
Digma	Enterprise	Tel Aviv, Israel	$6.0M	53
Flexor AI	Generative AI	New York, United States	—	51
nao Labs	Agentic AI	San Francisco, United States	—	50
Datacrunch	AI Infrastructure	Berlin, Germany	$124.3M	50
Spectral Compute	AI Infrastructure	Cambridge, United Kingdom	$29.0M	49
Galtea	Artificial Intelligence	San Francisco, United States	$3.2M	49
TITidalflow	AI Infrastructure	San Francisco, United States	$1.7M	49
Forefront	Foundation Model	San Francisco, United States	—	48
DEDevOpsAI	MLOps	San Francisco, United States	—	47
RERealSynth	Synthetic Data Generation	San Francisco, United States	—	47
Mendral	Agentic AI	San Francisco, United States	$15.0M	46