Comparison

Portkey vs Weights & Biases

On the evidence we track, Portkey leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Attribute comparison across 2 tools
Attribute80PortkeyLeader78Weights & Biases
Vioscale score80 / 100low · 46%78 / 100low · 25%
Commits last 30d-100
Github stars-11,214
Options{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}{"cloud":true}
LongPortkey equips AI teams with everything needed to go to production—AI Gateway, Observability, Guardrails, Governance, and Prompt Management in one platform.Weights & Biases provides experiment tracking, model evaluation, LLM serving, and AI application monitoring. It offers hyperparameter optimization, data visualization, evaluation tools, and serverless inference for multiple LLM providers.
Capabilities{"role":"gateway","evaluation":true,"managed_cloud":true,"model_serving":true,"self_hostable":true,"multi_provider":true,"vpc_deployment":true,"llm_observability":true,"prompt_management":true,"framework_agnostic":true,"experiment_tracking":true}{"role":"platform","evaluation":true,"managed_cloud":true,"model_serving":true,"self_hostable":false,"multi_provider":true,"no_train_on_data":"unknown","llm_observability":true,"prompt_management":true,"framework_agnostic":true,"experiment_tracking":true}
Primary-Python
Spdx-MIT
Support{"web":true}{"web":true}
Pricing{"type":"hybrid","plans":[{"free":true,"name":"Developer","summary":"Free forever","features":["Universal API, Fallbacks, Load Balancing, Retries","Logs, Traces, Feedback, Custom Metadata, Filters","3 Prompt Templates, Playground, API Endpoints, Versioning, Variables","Simple Caching","Deterministic Guardrails","Community Support"],"description":"Perfect for prototyping and testing or evaluating enterprise POCs. Not suitable for production workloads.","contactSales":false,"includedLimits":{"log_retention":"3 days","recorded_logs":"10k/mo","metrics_retention":"30 days"}},{"free":false,"name":"Production","summary":"$49/month","features":["Universal API, Fallbacks, Load Balancing, Retries","Logs, Traces, Feedback, Metadata, Filters, Alerts","LLM & Partner Guardrails","Unlimited Templates, Playground, API Endpoints, Versioning, Variables","Role-Based Access Control, Service Account API Keys","Production Support","Simple & Semantic Caching"],"components":[{"kind":"fixed","amount":49,"period":"month","currency":"USD"}],"description":"Great for teams ready to deploy LLM apps in production. Not recommended for organizations requiring custom security controls or data residency guarantees.","contactSales":false,"includedLimits":{"overage_rate":"$9 per 100k additional logs","log_retention":"30 days","recorded_logs":"100k/mo","metrics_retention":"90 days"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Custom Guardrail Hooks, Advanced Evaluation Templates","Role-Based Access Control, SSO, Granular Budget & Rate Limits","Private Cloud Deployment, Data Export to Data Lakes, VPC Hosting","Advanced Compliance (SOC2 Type 2, GDPR, HIPAA)","Custom BAAs, Data Isolation","Dedicated Onboarding & Priority Support"],"description":"Built for organizations with complex compliance needs and high-volume production workloads. Full Portkey feature set with enterprise support and multiple deployment configurations.","contactSales":true,"includedLimits":{"log_retention":"Custom","recorded_logs":"10M+/mo","metrics_retention":"Custom"}}],"summary":"Free tier for prototyping; Production at $49/month with $9 overage per 100k logs; Enterprise with custom pricing","currency":"USD","freeTier":true,"sourceUrl":"https://portkey.ai","retrievedAt":"2026-08-03T22:44:45.309Z","startingPrice":{"amount":49,"period":"month","currency":"USD"},"billingPeriods":["month"]}-
Free tierYes-
Modelcommercialcommercial
Price levelmid-
Starting gbp49-
TransparentYes-
Cadence days-20
Status pageYesYes
Disclosure policy-Yes
GdprYesYes
HipaaYesYes
Iso27001-Yes
Soc2YesYes

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Capability comparison for MLOps & LLMOps Tools
CapabilityPortkeyWeights & Biases
Core
Tool roleModel gateway / routerEnd-to-end ML platform
Deployment
Self-hostable / OSS core
Managed cloud available
On-prem / VPC deployment-
Observability
LLM tracing / observability
Evaluation (offline / LLM-judge / human)
Dev
Prompt management + versioning
Tracking
Experiment tracking / model registry
Serving
Model serving / inference endpoint
Interop
OpenTelemetry / OpenLLMetry compatible--
Framework-agnostic
Gateway
Multi-provider model support
Data
No-train-on-customer-data guarantee-Unknown

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

Portkey vs Weights & Biases: an evidence-based comparison · Vioscale