Original tool
ChatGPT
General-purpose conversational assistant for drafting, ideation, lightweight research, file-based work, coding help, and everyday task support — now led by the GPT-6 Astra model, with ChatGPT Images 2.5 for image generation and editing.
Best for
General assistant work, Drafting and ideation, Light research support
Pricing signal
Free plan available. ChatGPT Plus is $20/month and billed monthly. Go, Pro, Business, and Enterprise plans are also available; availability and pricing can vary by region and plan. The flagship GPT-6 Astra model is rolling out across ChatGPT Plus/Pro/Business/Enterprise and the API (also on Azure and AWS Bedrock); its most cyber-sensitive capabilities are gated behind a trusted-access program. GPT-6 Astra API pricing is about $10 per million input tokens and $50 per million output tokens.