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[TECHNOLOGY] · Brazil, United States · 45 sources

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OpenAI hits 1 billion users, cuts GPT‑5.6 prices, starts Brazil ad test

OpenAI announced that its AI models now have more than one billion active users and are used by over two million enterprises. The company said it is lowering API costs, cutting the price of GPT‑5.6 Luna by 80 % and GPT‑5.6 Terra by 20 %.

In addition, OpenAI introduced a fast‑mode for GPT‑5.6 Sol that delivers up to 2.5 times the standard processing speed for double the price. The firm also launched a pilot advertising program for ChatGPT in Brazil, showing clearly labeled sponsored content to users on the free and Go plans who are at least 18 years old, while paid‑tier users remain ad‑free.

The ad test follows earlier experiments in the United States, Canada, Australia, New Zealand, the United Kingdom, Japan and South Korea, positioning Brazil as a strategic market for evaluating how AI‑driven ads affect user behavior.

Entities

Brazil · ChatGPT · Codex · GPT-5.6 Luna · GPT‑5.6 · GPT‑5.6 Luna · GPT‑5.6 Sol · GPT‑5.6 Terra · GPT‑5.6 family · OpenAI · Sam Altman · San Francisco

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