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Deployment reach

OpenAI makes GPT-5.6 Luna the free ChatGPT default with unlimited text

OpenAI made GPT-5.6 Luna the default for Free and Go users and announced unlimited text chats, while updating GPT-5.6 Sol for Plus and Pro users; OpenAI says ChatGPT serves one billion people weekly.

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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM38confidence 88/100

Why it moved the index

Unlimited free access to a current general model at a service with one billion weekly users directly expands deployment reach and potential systemic dependence. Magnitude 38 reflects exceptional distribution but not a new frontier capability, and confidence 88 reflects a dated primary rollout with clear limits.

Assessment history

  1. R1
    Toward 38 · confidence 88

    Initial inclusion from OpenAI's dated rollout materially expanding default and unlimited free access to GPT-5.6 Luna.

    11 Aug 2026

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DoomBench social sharing card for OpenAI makes GPT-5.6 Luna the free ChatGPT default with unlimited text.

  1. DoomBench assesses “OpenAI makes GPT-5.6 Luna the free ChatGPT default with unlimited text” as evidence moving toward doom, with magnitude 38 and confidence 88 out of 100 in the deployment reach category.

  2. The DoomBench assessment of “OpenAI makes GPT-5.6 Luna the free ChatGPT default with unlimited text” is based on reporting from OpenAI and records the editorial rationale, source quality, attribution, and revision history.

  3. DoomBench summarizes “OpenAI makes GPT-5.6 Luna the free ChatGPT default with unlimited text” as follows: OpenAI made GPT-5.6 Luna the default for Free and Go users and announced unlimited text chats, while updating GPT-5.6 Sol for Plus...

    https://www.doombench.com/news/openai-makes-gpt-5-6-luna-the-free-chatgpt-default-with-unlimited-text-2026-08-06