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OpenAI extends GPT-5.6 unlimited text chats to free and Go users, adding a 'think' button for complex queries

OpenAI on August 6 moved its GPT-5.6 model generation into ChatGPT's free and Go tiers with unlimited text chats, while also improving GPT-5.6 Sol and introducing a 'think' button for more deliberate reasoning on complex questions; TechCrunch reported free users are now getting access to the same underlying model previously reserved for paid plans

AI· active How Life Changes ·4 takes · ·rbtfl upd Aug 7, 2026
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The split

The same story, as told by newsrooms in different countries. Their words, attributed and linked.

United States

TechCrunch

“OpenAI said that ChatGPT free and Go users are also getting a new think button for complex queries.”

US tech media outlet; first-wave coverage reporting OpenAI brought unlimited text chats to free users, along with a new "think" button for complex queries; concise account of the tier expansion with no promotional framingread the original ↗

United States

Unite.AI

“OpenAI moved its current model generation into ChatGPT's free tier, releasing GPT-5.6 Luna for free users with unlimited text chats.”

AI-focused outlet; adds the detail that the GPT-5.6 variant being rolled out to free users is named Luna, distinguishing it from GPT-5.6 Sol, which is the paid-tier version also receiving improvements; only source to name the specific Luna variantread the original ↗

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Summary

Openai expanded its ChatGPT free and Go tiers on August 6, giving users unlimited text chats powered by GPT-5.6 Luna, a variant of the GPT-5.6 model generation. Chatgpt paid-tier users running GPT-5.6 Sol received simultaneous improvements to that variant. The rollout also adds a "think" button for complex queries, giving free users access to a reasoning-first mode previously limited to paid plans. TechCrunch reported the update as a straightforward tier expansion. Unite.AI noted that OpenAI maintained a distinction between Luna (free) and Sol (paid) even as it broadened access to the model generation.

Why it matters

Making GPT-5.6 available to free users accelerates competitive pressure on Google, Meta and Anthropic to lower access barriers to their own frontier models. The simultaneous Sol improvement signals OpenAI is trying to preserve a paid-tier quality gap even as it democratizes access, a balance the company has revisited repeatedly since OpenAI launches ChatGPT Work and merges Codex into a redesigned desktop app alongside GPT-5.6.

What to watch

  • Whether Google and Meta respond with free-tier upgrades to their own frontier models
  • How OpenAI manages capacity as free-tier usage scales up with unlimited text access
  • The practical performance difference between GPT-5.6 Luna and GPT-5.6 Sol under real workloads

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