AI tools
Work & study
Everyday apps
Guides to AI API pricing, keys, limits and setup for OpenAI, Claude, Gemini, DeepSeek and Grok, kept up to date when prices change.
AI API Keys
You can get a free Gemini API key in Google AI Studio in about a minute. Here is how to create and test it, what the free tier covers, what each Gemini model costs per million tokens, and how to fix common errors.
AI API Keys
DeepSeek V4.1 Flash costs $0.15 per million input tokens and $0.60 per million output tokens off-peak, and twice that at peak. Here are the current prices for every model, the peak hours, caching and real cost examples.
