# Thinking slider

Type: Company

Source: AI Intelligence Brief — https://getaibrief.com/entity/thinking-slider
Canonical HTML page: https://getaibrief.com/entity/thinking-slider

## Timeline

- **2026-08-13**: Unlimited free text and Think button go live — Free and Go users gain unlimited text chats and the new “Think” button for higher reasoning; multimodal limits remain.
- **2026-08-06**: GPT-5.6 Sol and thinking slider released — OpenAI makes the upgraded GPT-5.6 Sol model and the thinking slider available to ChatGPT Plus and Pro users; free users begin receiving GPT-5.6 Luna as default model.

## Recent coverage (1 stories)

### OpenAI's GPT-5.6 Luna cuts errors by 62% as free ChatGPT gets unlimited text
2026-08-06 18:16:32 · Sentiment: Bullish · Impact: 6/10 · Sources: 2

OpenAI upgrades ChatGPT's default model to GPT-5.6 Luna for free users, slashing factual mistakes by over 60% and removing text rate limits. A new Think button brings higher reasoning to the free tier, while Plus/Pro subscribers get an even more accurate Sol model and a thinking slider for fine-tuned control.
Full story: https://getaibrief.com/story/openai-gpt56-luna-free-unlimited-text-chats

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