OpenAI has rolled back last week’s GPT-4o update after ChatGPT became excessively agreeable. The episode highlights a difficult problem: optimizing responses to please users can undermine their honesty.
OpenAI releases o3 and o4-mini, two models that decide when to search the web, analyze files with Python, or work with images. The advance brings ChatGPT closer to multi-step tasks, though it does not eliminate the need to review its results.
OpenAI unveils GPT-4.1, mini and nano with a million-token context window, big coding gains and lower prices. The company will retire GPT-4.5 Preview from the API on July 14.
OpenAI has announced a $40 billion funding round led by SoftBank, putting its post-money valuation at $300 billion. The company says ChatGPT now has 500 million weekly users.
GPT-4o now includes an image generator built directly into the model, capable of rendering legible text and maintaining consistency across edits — a shift away from separate text-and-image systems.
OpenAI releases GPT-4.5, its largest model yet. It knows more and hallucinates less, but costs 30 times more than GPT-4o and falls behind reasoning models. Even OpenAI itself is lukewarm about it.
Elon Musk's company rolls out its most advanced model yet, boasting ten times the compute of Grok 2, reasoning modes and a deep-research tool. xAI says it beats GPT-4o and o3-mini-high on several benchmarks.
OpenAI has unveiled deep research, a ChatGPT agent built on its o3 model that browses the web and compiles cited reports over 5 to 30 minutes. It scores 26.6% on Humanity's Last Exam, more than four times any rival tested.
OpenAI unveils o3-mini, its adjustable reasoning model, 63% cheaper than o1-mini and free in ChatGPT for the first time. It's the company's direct answer to the pressure from DeepSeek.
Alibaba unveils Qwen2.5-Max, an MoE model trained on more than 20 trillion tokens that the company says outperforms DeepSeek-V3 and GPT-4o on several benchmarks. The announcement lands squarely in the middle of the DeepSeek fallout and the Chinese New Year.
OpenAI is making Sora Turbo available to ChatGPT Plus and Pro subscribers. The tool generates and edits videos from text and images, with limits and controls designed to curb deceptive uses.
OpenAI is releasing the full version of o1, its model for solving complex problems, along with ChatGPT Pro, a $200-a-month subscription that includes access to its most demanding reasoning mode.
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