Portkey vs Weights & Biases

Side-by-side comparison of pricing, features and use cases.

Attribute	PPortkey Visit Portkey	WWeights & Biases Visit Weights & Biases
Summary	AI gateway and observability platform for routing, monitoring, and governing LLM apps	Platform for tracking, training, and evaluating ML and LLM applications
Categories	AI Code Editor	AI Code Editor
Pricing model	—	Freemium
Company	Portkey, Inc.	—
Key features	AI Gateway for LLM routing Prompt management Guardrails for LLM behavior Observability for cost, quality, and latency MCP client for agents with tool access	Experiment tracking and visualization Hyperparameter sweeps Model and dataset registry Artifact versioning AI application debugging and evaluation Prompt engineering tools
Use cases	Monitoring cost, quality, and latency of AI apps Routing requests to many LLMs through one endpoint Managing prompts across a team Enforcing guardrails on LLM output	Training and fine-tuning LLMs Tracking ML experiments Building AI agents and applications Evaluating LLM outputs
Demo videos	0	0

Information comes from each tool's listing and may change. Check the official site for current pricing.

• View Portkey
• View Weights & Biases