熊猫出海编辑团队
AI Token 是什麼？用官方文件說明 Token 的意思、中文字與英文字換算、輸入／輸出／快取 Token 怎麼計費，附 GPT、Claude、Gemini、DeepSeek 牌價與費用試算器。
What is Token as a Service? How businesses buy AI tokens for GPT, Claude and Gemini: own vendor accounts vs a unified API, enterprise LLM API comparison and a checklist.
What is a token in AI? How LLMs split text into tokens, words-per-token rules from OpenAI, Google, Anthropic and DeepSeek docs, input vs output tokens and a cost calculator.
How do I get an API key for ChatGPT? Create an OpenAI API key step by step: account, project, key type, billing credits, first request, rotation and security.
LLM API pricing comparison checked 13 Nov 2026: GPT-6, Claude 5.5, Gemini 4, Mistral Large 4, DeepSeek V4 per-1M-token prices, plus OpenRouter, Together and Groq.
Claude API pricing checked 13 Nov 2026: Fable 5.2, Opus 5.5, Sonnet 5.5 and Haiku 5.5 per-1M-token prices, cache writes and hits, Batch 50% off, Fast mode and examples.
Gemini API pricing checked 13 Nov 2026: Gemini 4 Carbon, Argon, Hydrogen and 3.8 Flash per-1M-token prices, the Dec 1 increase, free vs paid tier and billing caps.
ChatGPT API pricing checked 13 Nov 2026: chat-latest costs $5/$30 per 1M tokens. How API billing differs from ChatGPT plans, free API credits and monthly examples.
OpenAI API pricing checked 13 Nov 2026: GPT-6 Astra, 6.1 Sol, Terra and Luna per-1M-token prices, Batch/Flex, Fast mode, caching, tools, plus a cost calculator.