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OpenAI's general AI assistant with GPT-6 models, image creation, deep research, Codex and agents.
Full pricing: Free tier · Go/Plus/Pro: check site
Free tier: Yes · Platforms: web, ios, android, desktop
Use cases: chat, research, writing, images, coding
Latest verified release: 2026-09-29, GPT-6.1 Sol released (noted on GPT-6 Astra page) (source)
Rubric score: 75/100 (free 30, price 0, platforms 20, recency 25). How we score
Pricing source: https://chatgpt.com/pricing · checked 2026-10-15
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