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Now You Can Make ChatGPT Work Write Like You. Here's How šŸ‘‡

OpenAI Says It Has Cracked One of Math’s ā€˜Millennium Problems’ 🤯

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Welcome to another edition of Horizon AI,

ChatGPT Work can now learn what makes your writing sound like you, from your favorite phrases and sign-offs to your capitalization habits. In today's issue, we share how to use the new writing style feature in ChatGPT Work to make your next emails, messages, and documents better match your style.

Let’s jump into it!

Read Time: 4.5 min

Here's what's new today in the Horizon AI

  • OpenAI Claims to Have Solved Navier-Stokes Math Problem

  • OpenAI Launches ChatGPT Images 2.5 With Faster Generation and Better Editing

  • AI Tutorial: Make ChatGPT Work Write Like You

  • AI Tools to check out

  • AI Findings/Resources

  • The Latest in AI and Tech šŸ’”

AI News

OPENAI

OpenAI Claims to Have Solved Navier-Stokes Math Problem

OpenAI says an internal model has solved the Navier-Stokes problem, one of mathematics' seven Millennium Prize Problems. However, the historic breakthrough is being overshadowed by concerns over whether researchers can safely use frontier labs' tools to work on unpublished discoveries.

Details:

  • OpenAI says an internal model, more powerful than GPT-6 Astra, worked with 10,000 concurrent AI agents to produce a solution to the roughly 90 year old Navier-Stokes problem in just 88 hours.

  • The Navier-Stokes problem carries a $1 million Millennium Prize, though the company said it does not plan to claim it.

  • NYU math professor Tristan Buckmaster and Anthropic researcher Levent Alpƶge had been looking into the Navier-Stokes problem since last year and had used a mix of LLMs, including OpenAI's Codex.

  • As they prepared to publish, Buckmaster reached out to OpenAI and learned that the company had produced a Navier-Stokes proof using a route he and Alpƶge had been working on with Codex. That led him to ask whether the model had been trained on, or had access to, their Codex sessions.

  • OpenAI says no specific user data was accessed, but acknowledged that it cannot completely rule out de-identified data from product usage contributing to model improvements.

OpenAI researcher Sebastien Bubeck said the two proofs differ significantly and that the company had not seen the researchers' work before it was made public. However, the controversy raises thorny questions about who owns work completed with AI tools.

TOGETHER WITH ROKU

How Jennifer Aniston’s LolaVie brand grew sales 40% with CTV ads

For its first CTV campaign, Jennifer Aniston’s DTC haircare brand LolaVie had a few non-negotiables. The campaign had to be simple. It had to demonstrate measurable impact. And it had to be full-funnel.

LolaVie used Roku Ads Manager to test and optimize creatives — reaching millions of potential customers at all stages of their purchase journeys. Roku Ads Manager helped the brand convey LolaVie’s playful voice while helping drive omnichannel sales across both ecommerce and retail touchpoints.

The campaign included an Action Ad overlay that let viewers shop directly from their TVs by clicking OK on their Roku remote. This guided them to the website to buy LolaVie products.

Discover how Roku Ads Manager helped LolaVie drive big sales and customer growth with self-serve TV ads.

The DTC beauty category is crowded. To break through, Jennifer Aniston’s brand LolaVie, worked with Roku Ads Manager to easily set up, test, and optimize CTV ad creatives. The campaign helped drive a big lift in sales and customer growth, helping LolaVie break through in the crowded beauty category.

OPENAI

OpenAI Launches ChatGPT Images 2.5 With Faster Generation and Better Editing

OpenAI has released ChatGPT Images 2.5, an upgraded image generation model focused on sharper visuals, faster generation, and more reliable editing.

Details:

  • Images 2.5 improves lighting, textures, and reference-image consistency while following editing instructions more accurately across multiple turns.

  • Generation is now up to 50% faster than Images 2.0, reducing the time needed to create and refine images.

  • A new Sketch feature lets users draw directly in ChatGPT and use their sketches as references for image generation.

  • OpenAI is also adding templates for common image formats and prompt sharing so users can reuse and experiment with image-generation ideas.

  • Developers get two API versions: GPT-Image-2.5 Flare for faster, high-volume generation and GPT-Image-2.5 Sunburst for workflows requiring more precise editing and control.

Images 2.5 is rolling out across ChatGPT, ChatGPT Work, and Codex on desktop, mobile, and web, with access across all tiers.

AI Tutorial

Make ChatGPT Work Write Like You

  1. Go to ChatGPT on the web, or open the ChatGPT desktop app, sign in, and select the Work option from the top toggle or menu.

  2. Go to Settings → Personalization → Writing Style.

  3. Connect the tools you use every day, like Gmail, Google Drive, Slack, and SharePoint. ChatGPT Work will learn your writing style from your emails, messages, and files and carry it into whatever you write next.

  4. Test it by asking ChatGPT to write an email or blog post and check the results.

The change applies to all your messages across ChatGPT Work on web and mobile. It is available to all paid plans with access to ChatGPT Work.

AI Tools to check out

šŸŽ¬ 3D Director Studio on Pippit: Turn a 3D scene into a cinematic AI video.

šŸ—£ Speech Engine: Turn your chat agent into a voice agent

šŸ‘‰ Tangle: An open-source platform for building and executing containerized ML pipelines with visual editing and component reuse.

✨ Kombai: AI Design Engineer to design and code standout (not slop) websites and product UI's.

✨ Ato: A screen-free AI companion that helps older adults stay connected, curious, and independent through natural conversation.

TOGETHER WITH ROKU

How Jennifer Aniston’s LolaVie brand grew sales 40% with CTV ads

The DTC beauty category is crowded. To break through, Jennifer Aniston’s brand LolaVie, worked with Roku Ads Manager to easily set up, test, and optimize CTV ad creatives. The campaign helped drive a big lift in sales and customer growth, helping LolaVie break through in the crowded beauty category.

AI Findings/Resources

šŸ“… GPT-6 is really good at drawing portraits in Google Calendar

The latest in AI and Tech

The company has launched its v6 model family, saying it was trained on licensed music from partners including Warner Music Group, BMG and Believe. The move comes as the company faces multiple copyright lawsuits and prepares to retire its older models.

Instacart has launched Clementine, an AI assistant that can turn conversations, recipes, grocery lists, photos and screenshots into ready to buy carts. It can also personalize recommendations based on dietary preferences, suggest cheaper alternatives and surface relevant deals.

His comments were echoed by other researchers, like Anthropic safety lead Evan Hubinger, who said he personally estimates there is a greater than 10% chance AI could "kill all humans" within the next decade.

Google has made Gemini’s Daily Brief available to everyone in the US, removing the previous requirement for a paid Google AI subscription. The feature creates a daily summary using information from connected apps, including emails and meetings.

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