ChatGPT Plus is OpenAI’s single mid-tier plan for advanced reasoning, while ChatGPT Pro is its top individual plan, sold in three usage tiers with the highest limits and some features Plus does not get.
As of November 1, 2026, OpenAI’s pricing page says Plus includes advanced reasoning models with GPT-6 (GPT-6.1 Sol, GPT-6 Astra and GPT-6 Sol), expanded messages, uploads, deep research and Codex use, projects, scheduled tasks and custom GPTs, plus early access to new features. Context windows are 54K for GPT Instant and 256K for GPT Reasoning.
Pro includes everything in Plus and lets you choose Pro 100, Pro 200 or Pro 500. It adds Pro reasoning powered by GPT-6 Astra, GPT-5.6 Sol Pro, Dots (OpenAI’s always-on agent), ChatGPT Space, unlimited and faster image creation, maximum deep research and memory, longer Codex and ChatGPT Work sessions, and monthly API credits. Context windows rise to 128K for GPT Instant and 400K for GPT Reasoning. OpenAI shows prices in your local currency, so check the pricing page before you upgrade.
Related: Is ChatGPT free? and Is Codex free?
Source: OpenAI, “ChatGPT Plans and Pricing”
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