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AI APIs & models
Which model API should my app call? Updated 2026-10-16.
OpenAI API
Broadest ecosystem and tooling. A safe first choice for most apps.
Anthropic API
Claude models are top-tier for coding and agents. Strong pick for tool use.
Google Gemini API
Long context with a free tier in AI Studio. Great value for prototyping.
OpenRouter
One API key for hundreds of models. Ideal for comparing models or adding fallbacks.
FAQ
Which model API should my app call?
Our ranked picks are OpenAI API, Anthropic API, Google Gemini API, OpenRouter, Groq. Top pick: OpenAI API — Broadest ecosystem and tooling. A safe first choice for most apps. Pricing note: Pay per token; see site.
What is the #1 pick in AI APIs & models right now?
OpenAI API. Broadest ecosystem and tooling. A safe first choice for most apps. See the official site for current pricing (Pay per token; see site).
Which tools in AI APIs & models have a free tier?
These picks mention a free tier: Google Gemini API, Groq. Always confirm on the official pricing page.
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