Coding with AI
Assistants, reviews and costs.
Coding with AI
Cursor vs GitHub Copilot: plans, prices and usage compared
Cursor's plans run from free to $200 a month; GitHub Copilot's from free to $39. How each one measures usage, what the multipliers mean, and which fits how you code.
Coding with AI
Prompt caching explained: how it cuts API bills, provider by provider
Prompt caching charges 2% to 25% of the normal input price for repeated prompt text. How it works, what each provider charges, and when cache writes pay off.
Coding with AI
Free AI API tiers in 2026: what Gemini, OpenAI, DeepSeek and Mistral give for free
Which AI APIs can you use for free? Google's Gemini API has a free tier; OpenAI, DeepSeek and Mistral list none for text models. The details, and the cheapest paid options.