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Plain-English guides to ChatGPT, Claude, Gemini, Grok and Perplexity: what each plan includes, what it costs, how the API keys work and how to pay for them.
Claude
Claude Pro and ChatGPT Plus both cost $20 a month. Claude wins on writing, long documents and coding; ChatGPT wins on images, voice and all-round features. Here is the full comparison for 2026.
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.
ChatGPT
Claude, Google Gemini and Perplexity are the strongest ChatGPT alternatives in 2026, with Gemini AI Plus from $4.99 a month for tighter budgets. Here are eight options compared on free plans, prices and strengths.
ChatGPT
ChatGPT costs $0 on Free, $8 a month on Go, $20 on Plus and $100 to $500 on Pro. Here is what each plan includes in 2026, from models and limits to ads, storage and Codex.
Claude
Claude Code is not sold on its own: it comes with Claude Pro ($20 a month), Max ($100) and Ultra ($200), or runs on a pay-per-token API key. Here is what each option gives you and which one costs less.
