Build a working understanding of model API choices, tokens and operating constraints. Use a guide to frame the question, then follow the provider-specific source and live data.
Foundations
Cost and access
Model and hosting choices
Learn through a small task
Choose a simple fixture whose output you can verify, then read the guide relevant to the decision in front of you. Keep the example’s model and interface visible. Add difficult cases early so later comparisons remain connected to the application’s real requirements.
Use the AI API cost calculator to turn the model and workload you are considering into an estimate.
Last verified · Source ↗
Frequently asked questions
What does this site help me choose?
An API provider and model for an application task, with documented attributes, cost assumptions and implementation guidance kept together.
Do the tools make paid model requests?
The planning tools use the site’s reference data. Provider inference belongs to the separate scripts you choose to run with your own authorized credential.
Is the cheapest listed model always the right choice?
No. Evaluate accepted task completion and the full workload before deciding.
Why can a model field be missing?
The required evidence may not be available or verified. Missing information is not a free price or an unlimited capability.
Are quality rankings independent benchmarks?
A documented capability or fit-based shortlist is not an independent benchmark. Use your own representative evaluation for quality claims.
Sources
Last verified · Source ↗