The Daily Index — Tuesday, July 15, 2025 · TLDR Index

DEEP DIVES & ANALYSIS

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DID WINDSURF SELL TOO CHEAP? THE WILD 72-HOUR SAGA AND AI CODING VALUATIONS

Google acquired key members of Windsurf for $2.4 billion after OpenAI's $3 billion offer expired, while Cognition took over the remaining company. Despite Windsurf's impressive $82 million ARR and rapid growth, the loss of Anthropic API access and leadership exits weakened its market position. The AI coding industry's inflated valuations, driven by talent wars and platform dependencies, suggest Windsurf's sale price may have been below its potential value.

saastr.com · 6 min

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bit.ly

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GEMINI EMBEDDING NOW GENERALLY AVAILABLE IN THE GEMINI API

Google's first Gemini Embedding text model is now generally available to developers in the Gemini API and Vertex AI. The model provides a unified cutting-edge experience across domains. It supports over a hundred languages and has a 2,048 maximum input token length. The Gemini Embedding model is priced at $0.15 per million input tokens.

developers.googleblog.com · 3 min

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AWS PREVIEWS KIRO IDE FOR DEVELOPERS WHO ARE OVER VIBE CODING

Kiro is a Claude-powered "agentic IDE" that addresses the quality problems of AI-generated code by first producing specifications and user stories before generating actual code. The tool aims to move beyond "vibe coding" and reduce the time developers spend debugging and reviewing AI-generated code.

kiro.dev · 2 min

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ENERGY-BASED TRANSFORMERS ARE SCALABLE LEARNERS AND THINKERS

Energy-Based Transformers replace direct prediction with learned verification functions that assign compatibility scores between inputs and candidate outputs. The architecture is first to out-scale standard Transformers as it allows models to dynamically allocate computation and self-verify predictions without external supervision, achieving up to 35% higher scaling rates.

arxiv.org · 32 min

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FEATURED NOTEBOOKS FOR BETTER RESEARCH IN NOTEBOOKLM

Google introduced "featured notebooks" in NotebookLM, offering curated research collections from experts and institutions to help users explore topics with high-quality sources.

blog.google · 3 min

TLDR AI

ANTHROPIC, GOOGLE, OPENAI, AND XAI GRANTED UP TO $200 MILLION FOR AI WORK FROM DEFENSE DEPARTMENT

The US Department of Defense is granting contract awards of up to $200 million for artificial intelligence development at Anthropic, Google, OpenAI, and xAI. The awards will help the agency accelerate its adoption of advanced AI capabilities to address critical national security challenges. The companies will work to develop AI agents across several mission areas. AI will transform the DoD's ability to support fighters and maintain strategic advantage over adversaries.

cnbc.com · 2 min

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GROK DEBUTS INTERACTIVE AI COMPANIONS ON IOS WITH ANIME AVATARS

Grok now features 3D animated companions, like a flirty anime character and mood-shifting red panda Rudy, that users can level up through conversation.

testingcatalog.com · 1 min

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NVIDIA CHIPS BECOME THE FIRST GPUS TO FALL TO ROWHAMMER BIT-FLIP ATTACKS

Rowhammer allows hackers to change or corrupt data stored in memory by rapidly and repeatedly accessing a physical row of memory cells.

arstechnica.com · 8 min

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ANTHROPIC'S TOOL DIRECTORY

Anthropic launched a tool directory to showcase integrations with Claude, enabling direct access to apps like Notion, Figma, and Stripe for more contextual and collaborative interactions.

anthropic.com · 1 min

TLDR AI

CUDA BACKEND

This pull request is an ongoing effort sponsored by Apple to add a CUDA backend to MLX - very few things work now, except the tutorial example.

github.com · 2 min