ChatGPT
7 entries between May 2024 and September 2026, 1 turning point.
Turning points
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OpenAI launches GPT-4o, a single model for text, audio, and images
OpenAI introduced GPT-4o on 13 May 2024, one model trained across text, image, and audio, demonstrated by chief technology officer Mira Murati in a livestream showing real-time voice conversation. OpenAI gave it to free ChatGPT users and said it handled around 50 languages.
Every entry
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OpenAI DevDay 2026: the consumer launches
At DevDay 2026, OpenAI launched GPT-6.1 Sol for coding and computer use, an Ultrafast speed tier, ChatGPT Space for shared work, Pages for editable documents, a Codex CLI refresh, a Meetings plugin beta, a Pro 500 plan with 25x Plus allowance, and reopened Pro 200 subscriptions.
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OpenAI launches Dots, always-on personal agents
At DevDay 2026, OpenAI launched Dots, always-on agents powered by GPT-6 Astra. Each dot gets its own cloud computer and 4,000-plus app connections. The first dot is free and dot conversations skip usage limits; rollout covers ChatGPT Pro and Business Premium.
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OpenAI expands ChatGPT Ads to seven Asian markets
OpenAI announced on 23 September 2026 that ChatGPT Ads would roll out in Indonesia, Malaysia, the Philippines, Singapore, Thailand, Vietnam, and Taiwan, taking the product past 60 countries. Ads appear only for users on the Free and Go plans.
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OpenAI announces a $110 billion funding round
OpenAI announced a $110 billion private funding round on 27 February 2026 at a $730 billion pre-money valuation, with $50 billion from Amazon, $30 billion from Nvidia and $30 billion from SoftBank. It reported more than 900 million weekly ChatGPT users.
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OpenAI begins showing ads inside ChatGPT in the United States
OpenAI began testing advertisements in ChatGPT for logged-in adults in the United States on its Free and Go plans on 9 February 2026. Its chief operating officer later described the rollout as an iterative process.
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Scarlett Johansson says OpenAI’s Sky voice copied hers
Scarlett Johansson said on 20 May 2024 that she had twice declined OpenAI’s requests to voice ChatGPT and was “shocked, angered and in disbelief” at Sky, a voice listeners compared with hers. OpenAI paused Sky and said it had cast its actor before contacting her.
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OpenAI launches GPT-4o, a single model for text, audio, and images
OpenAI introduced GPT-4o on 13 May 2024, one model trained across text, image, and audio, demonstrated by chief technology officer Mira Murati in a livestream showing real-time voice conversation. OpenAI gave it to free ChatGPT users and said it handled around 50 languages.