OpenRouter
API routersOne API. A wider choice of models.
FREE ACCESS
Selected models available freeUsage limits applyProvider account·API key for API use
THE AI PROVIDER DIRECTORY
Find the right API.
Get back to building.
Compare free tiers, model access, and real tradeoffs.
Find a provider that fits your next project.
Clear requirements Practical pros & cons Official sources
06providers to explore
04with a free tier
A small shortlist. Properly explained.
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6 providers to compare and explore
Groq
Model platformsAn approachable start for inference.
FREE ACCESS
Free plan with usage limitsUsage limits applyProvider account·API key for API use
Together AI
Model platformsOpen models, from prototype to production.
PRICING MODEL
Usage-based inferenceCheck current rates before useProvider account·Billing may be required
Workers AI
Developer toolsAI inference, close to your application.
FREE ACCESS
Available on free and paid plansUsage limits applyCloudflare account·API token or Worker binding
Hugging Face
API routersExplore a bigger world of open models.
PRICING MODEL
Pay-as-you-go model accessCheck current rates before useHugging Face account·Fine-grained inference token
Mistral AI
Model platformsA focused toolkit for your AI application.
FREE ACCESS
Studio Free mode documentedUsage limits applyMistral account·Studio activation
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