What Developers Should Prioritize
API documentation quality and SDK support for your language, rate limits appropriate to your expected traffic, and cost at your actual expected usage volume — see our Best AI API roundup for a fuller developer-focused comparison.
Getting Started Quickly
See our OpenAI, Claude, and Gemini API example pages for real, working starter code.
Related Pages
Frequently Asked
Which API has the best documentation for getting started?
OpenAI's is widely regarded as mature and thorough; Anthropic and Google's have both improved significantly and are competitive.
Should I choose based purely on model benchmark scores?
No — documentation, SDK support, and reliability matter significantly for a production integration beyond raw capability.
Where can I see working code examples?
See our OpenAI, Claude, and Gemini API Examples pages.
What's the most cost-effective API for high-volume use?
See our Cheapest LLM API roundup.