Criterion Hugging Face OpenRouter
CategoryMachine Learning & Deep LearningLLM APIs & Model Platforms
In one sentenceHub for sharing open models, datasets and demo apps, with paid compute for inference and hosting.One OpenAI-compatible API key for hundreds of models from many providers.
Problem it solvesFinding, sharing and running open models without building your own model registry and infrastructure.Managing separate accounts, keys and SDKs for every model provider, and coping with provider outages.
Free planYesYes
Developer APIYes — docsYes — docs
Open sourceNoNo
PlatformsWeb, Python and JavaScript libraries, REST APIWeb, REST API
Pricing (summary)The hub is free to use. PRO costs $9/month with $2 monthly compute credits, Team is $20/user/month and Enterprise $50/user/month. Compute is billed separately: Spaces GPUs and Inference Endpoints hourly, Inference Providers at provider rates.
Checked 2026-10-19		No subscription: inference is billed at each provider's list price, with a platform fee of 5.5% (Standard) or 8% (Business) on credit purchases. A free plan offers 25+ free models with request caps; Enterprise is contract-based.
Checked 2026-10-19
Strengths
  • Huge open ecosystem
  • Free tier for hosting and sharing
  • Flexible compute options
  • Huge model catalogue
  • Provider list prices passed through
  • Free tier for testing
Limitations
  • Free users get no included Inference Providers credits
  • Costs spread across storage, Spaces and endpoints can be hard to track
  • Model licences vary per repository and must be checked
  • 5.5% (Standard) or 8% (Business) fee on credit purchases
  • Free model caps are low
  • Another intermediary in the data path