Comprehensive Guide: How to Get API Keys for Claude, Gemini, and ChatGPT
product#api🏛️ Official|Analyzed: Apr 9, 2026 16:47•
Published: Apr 9, 2026 12:37
•1 min read
•Zenn OpenAIAnalysis
This is a fantastic, beginner-friendly guide that brilliantly demystifies the process of accessing top 生成式人工智能 models. It highlights a highly secure approach where user keys are kept strictly local in the browser, ensuring complete privacy. The enthusiastic breakdown of costs and free tiers makes exploring these powerful tools incredibly accessible for everyone.
Key Takeaways
- •API keys act as a passcode to let external apps securely use AI services like Claude, Gemini, and ChatGPT.
- •Google Gemini is the best starting point for beginners due to its generous free tier and no credit card requirement.
- •Claude's API requires a minimum $5 credit purchase, which comfortably lasts for weeks of personal use.
Reference / Citation
View Original"Gemini's API key has a generous free tier, and credit card registration is not required."
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