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AI developer Tibor Blaho found references to a "limited preview" of GPT-4.5 in ChatGPT's code, suggesting OpenAI plans to make it available to Teams subscribers. Blaho has accurately spotted upcoming ChatGPT features in code before, though some took months to actually launch. We've seen GPT-4.5 rumors for at least a year now. Last March, an OpenAI blog post about "GPT-4.5 Turbo" briefly showed up in search results before disappearing. While The Verge recently claimed OpenAI would release a new AI model in December, CEO Sam Altman called that report a "random fantasy." But now Altman is teasing a big announcement for next Monday.

Image: via Tibor Blaho
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Meta has released Llama 3.3, a new AI model that matches the capabilities of its larger Llama 3.1 405B while using significantly less computing power. The company says the model excels at tasks such as generating synthetic data while keeping inference costs low. The improvements come from a new alignment process and advances in online reinforcement learning techniques, according to Meta. The model is now available through Hugging Face and will roll out to partner platforms soon. Meta notes that Llama 3.3's efficient design allows it to run on standard developer workstations without requiring specialized hardware.

Image: Meta via Threads
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Google's AI video generator, Veo, is now available to businesses in a private preview through the Vertex AI platform. Veo can generate high-quality 1080p videos from text or images in a variety of visual and cinematic styles, although Google does not specify the maximum length of the generated clips. According to Google, the AI-generated videos are watermarked with DeepMind's SynthID technology to prevent misinformation and false attribution, and have safeguards against harmful content. At the same time, the latest version of the Imagen 3 image generator will also be made available to all Google Cloud customers via Vertex, enabling new features such as prompt-based image editing and the integration of branded features.

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AI startup Exa has created a new search engine that automatically turns web information into structured databases. The company's "Exa Websets" technology uses an AI system with Embedding Space Search to answer specific queries. Users can search for detailed information like "AI startups working on LLM chips" or "PhD developers from major universities who maintain blogs." The system takes several minutes to complete searches since it needs extra computing power to research and verify results. The company says it has found a scaling pattern similar to OpenAI o1 - using more computing resources leads to more thorough search results. Access to the search engine is limited to a waiting list.

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