{
  "schema_version": "1.0",
  "page_url": "https://www.primoraihub.com/free-models/",
  "reviewed_at": "2026-08-24",
  "scope": "Primary-source documentation review only; no fresh account creation or authenticated end-to-end API test was performed for every provider.",
  "catalog_status": "The dynamic catalog is imported from a shared CSV and is not independently verified row by row. Its generated_at value is an import timestamp, not a verification timestamp.",
  "definitions": {
    "recurring_free_allocation": "A no-charge allowance that resets on a published schedule.",
    "zero_price_model_route": "A model endpoint priced at zero while available; other limits can still apply.",
    "trial_credit": "A one-time or time-limited balance, not a permanent free tier.",
    "limit_not_recorded": "The imported dataset has no limit value; this does not mean unlimited usage."
  },
  "providers": [
    {
      "name": "Google Gemini API",
      "offer_type": "Free tier for selected models",
      "summary": "Limits depend on model, project, and usage tier; AI Studio shows the limits that apply to a project.",
      "source_url": "https://ai.google.dev/gemini-api/docs/rate-limits"
    },
    {
      "name": "GroqCloud",
      "offer_type": "Free plan",
      "summary": "Limits are model-specific and organization-level; the account Limits page is the exact source for an organization.",
      "source_url": "https://console.groq.com/docs/rate-limits"
    },
    {
      "name": "OpenRouter",
      "offer_type": "Zero-price :free routes",
      "summary": "The published total is 50 free-model requests per day without at least $10 in purchased credits, and 1,000 per day after that threshold.",
      "source_url": "https://openrouter.ai/docs/faq"
    },
    {
      "name": "Cloudflare Workers AI",
      "offer_type": "Recurring free allocation",
      "summary": "The published allocation is 10,000 Neurons per day at no charge; some models require the Workers Paid plan.",
      "source_url": "https://developers.cloudflare.com/workers-ai/platform/pricing/"
    },
    {
      "name": "Hugging Face Inference Providers",
      "offer_type": "Monthly account credit",
      "summary": "Free users receive $0.10 in monthly credits for routed inference; the amount is explicitly subject to change.",
      "source_url": "https://huggingface.co/docs/inference-providers/pricing"
    },
    {
      "name": "Cerebras Inference",
      "offer_type": "Free tier",
      "summary": "The free-tier table publishes model-specific request and token limits; the account Limits section is authoritative for an organization.",
      "source_url": "https://inference-docs.cerebras.ai/support/rate-limits"
    }
  ]
}