Howdy again. It’s Barsee, and welcome back to AI Valley.

Today’s climb through the Valley reveals:

• 🔍️ Google's AI Mode may be the upgrade Search desperately needs

• 🕰️ OpenAI retires GPT-4

• 🧠 $2B deal gives Mira Murati unshakable control over AI startup

• 🤖 Plus trending AI tools, posts, and resources

Let’s dive into the Valley of AI…

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THROUGH THE VALLEY

🔍 Google's AI Mode may be the upgrade Search desperately needs - how to try it for free

Google launched AI Mode, a supercharged search combining real-time info with generative AI. It helps plan trips, research topics, and shop smarter - all in one place. Now available without waitlist for US Google Labs users. Early testers love its conversational answers. This could be Google's biggest search upgrade in years, blending AI smarts with trusted results.

Source

🕰️ OpenAI retires GPT-4

OpenAI officially retired GPT-4 on April 30, 2025 after two groundbreaking years. The model that started the modern AI race makes way for GPT-4o. While disappearing from ChatGPT, developers can still access it via API. Its rapid replacement shows how fast AI evolves - today's breakthrough becomes tomorrow's history.

Historic Launch & Impact: Debuted March 14, 2023, GPT-4 stunned the world by acing exams, tackling complex reasoning, and propelling a global AI race.

Source

🤖 Visa's AI Agents can now shop for you

Visa unveiled Intelligent Commerce, letting AI assistants make purchases using your Visa account. New features include one-click BNPL, stablecoin payments, and phone-based NFC payments. Partnering with Stripe and Klarna, Visa is creating a future where AI handles both product research and checkout.

Source

⚙️ Anthropic rolls out Claude Integrations and upgrades Research Mode

Anthropic supercharged Claude with new integrations to Jira, PayPal and Zapier. The upgraded Research Mode now digs through connected apps and the web for 45 minutes, delivering detailed reports with sources. Developers can also build custom tools in just 30 minutes.

Source

📣 Zuckerberg declares war on Traditional Advertising

Meta's CEO announced plans to replace traditional ads with AI-created campaigns generated instantly. The system crafts personalized copy, images and videos on demand. While this threatens ad agencies, it could help small businesses compete. One thing's clear: AI is about to transform advertising forever.

Source

PEAK OF THE DAY

🎖️ Microsoft Launches Phi 4 Reasoning Models

Microsoft just dropped Phi-4 Reasoning, a new set of compact yet highly capable models built to rival much larger models in math, science, and coding tasks.

They are available in three variants:

• Phi-4 Mini Reasoning: A 3.8B parameters model, optimized for math reasoning and light enough to run on laptops and mobile devices.

• Phi-4 Reasoning: A 14B parameter model for complex, step-by-step reasoning.

• Phi-4 Reasoning Plus: A refined version of the 14B model offering even stronger performance.

What makes them special?

• Chain-Of-Thought Reasoning: These models follow a clear, step-by-step approach to problem-solving, making their logic transparent and more reliable compared to other compact models that often rely on quick guesses.

• High-Quality Training: Phi-4 Mini was trained on 1M synthetic math questions from DeepSeek R1. The larger models were trained on curated web content and OpenAI's o3-mini demos.

• Big Context Window: Supports 32K tokens by default and can be extended to 64K, making it well-suited for long documents such as legal cases, financial reports, or dense academic papers.

How good are they?

Despite being much smaller, Phi-4 Reasoning and Plus either match or outperform OpenAI's o1-mini on key math, science, and coding benchmarks. Phi-4 Reasoning Plus even came close to DeepSeek R1 on the 2025 AIME exam.

Where can I use it?

All three models are fully open-source under the MIT license and available on Hugging Face and Azure Foundry.

Why does it matter?

Microsoft is proving that high-level reasoning doesn't need massive compute. By focusing on quality training and architecture, Phi-4 models make powerful AI more accessible, cheaper to run, and easier to deploy across real-world devices.

TRENDING TOOLS

• Competely AI Agent > Instantly find, analyze, and track your competitors with AI.

• Infogrammy > Create data infographics with AI.

• Querri > Making data ridiculously easy for teams without data pros.

• Meta AI App > Personal AI that understands you.

• Promptrepo > Create your own AI model using data in Google Sheets.

• GPT Paint by Krea AI > Prompt ChatGPT visually through edit marks, basic shapes, notes, and reference images.

• Amazon Nova Premier > Advanced multimodal AI model with a 1M token context window for deep understanding and analysis.

THINK PIECES / BRAIN BOOST

• Satya Nadella says as much as 30% of Microsoft code is written by AI.

• The Next AI Wave will be social, not solo. By Dan Shipper.

• AI is killing some companies, yet others are thriving - let's look at the data.

• China will likely match US AI model capabilities this year.

• Why humans will be DJs, not track producers, in the age of AI.

VALLEY GEMS

THAT’S ALL FOR TODAY

Thank you for reading today’s edition. That’s all for today’s issue.

💡 Help me get better and suggest new ideas at [email protected] or @heyBarsee

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