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ChatGPT release notes

OpenAI Help Center · help.openai.com

OpenAI's dated log of changes: GPT-6 Sol for Plus and GPT-6 Luna for Free and Go (7 October 2026), ChatGPT for Word on every plan (17 September 2026), the India Go launch at Rs 399 including GST and the end of its free year on 21 January 2026.

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It answers 6 questions

  1. What do these AI plans cost in India, and are the free Jio and Airtel offers still running?
  2. How do I choose between a fast model and a thinking model inside ChatGPT, Claude or Gemini?
  3. Which AI tool helps write and format documents?
  4. Is voice mode worth using, and which AI phone app is best for talking to?
  5. What is Microsoft Copilot, and is it worth using at work?
  6. Is ChatGPT Plus worth paying for, compared with Go and the free plan?

Read with it

  1. A Wharton professor's regular guide: any free model for low-stakes questions, ChatGPT or Claude for real work, and where... oneusefulthing.org Article An opinionated guide to which AI to use to do stuff Ethan Mollick (One Useful Thing)
  2. Microsoft 365 with Copilot in rupees: Personal Rs 689 a month or Rs 6,899 a year, Family Rs 819, Premium Rs 1,999 a month with... microsoft.com Tool Copilot pricing plans for individuals (India) Microsoft
  3. Anthropic's plan page, read 10 November 2026: Free with memory, voice, Claude Docs and up to 5 projects; Pro $20 a month ($17... claude.com Tool Plans & pricing | Claude Anthropic
  4. The same page as shown in India, in rupees: free plan on a Flash-Lite model with Deep Research, Gemini Live and Gemini... gemini.google Tool Google AI plans (India) Google
  5. Google's comparison of the free Gemini app with AI Plus, Pro and Ultra, including which plans get the stronger models. gemini.google Tool Google AI Pro & Ultra: get access to Gemini 4 Argon & more Google
  6. Besides the Pro prices, states that sharing account credentials and reselling access are prohibited and can get an account... help.openai.com Guide About ChatGPT Pro tiers OpenAI Help Center
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