Blog
Welcome to the HappyRock blog!
Here we share technical insights, project updates, and industry trends.
Latest Articles
Want to contribute an article? Contact us: info@happyrock.cloud
Vetta Framework Deep Dive: Slashing Agent Task Costs to One-Third of Claude Code — Why Framework Choice Matters More Than Model Selection
Tuesday, August 25, 2026 in Blog
Introduction: The Overlooked Variable On August 25, 2026, the AI community received a noteworthy signal — the usenaive team released the Vetta framework, an efficient harness designed for long-horizon Agent tasks. Unlike typical model announcements, …
Anthropic Marshmallow & Melon Deep Dive: Cotton Candy and Melon — What Claude's New Model Codename Reveals About Product Line Restructuring
Tuesday, August 25, 2026 in Blog
Anthropic Marshmallow & Melon Deep Dive: Cotton Candy and Melon — What Claude’s New Model Codename Reveals About Product Line Restructuring I. Introduction: A Leak That Signals More Than Just New Models August 24, 2026 — an otherwise …
Qwen-UI-Agent Deep Dive: Alibaba Open-Sources a Real-World GUI Agent — AI Finally Grows Hands That Can Operate Phones and Computers
Monday, August 24, 2026 in Blog
1. Introduction: From “Talking” to “Doing” — A Paradigm Shift On August 20, 2026, Alibaba’s Tongyi Qianwen team officially released Qwen-UI-Agent — a real-world-centric foundation GUI agent model. This is not just …
Cloudflare Kitesurf + Wallets + x402 Deep Dive: When AI Agents Get Their Own Browser, Wallet, and Payment Protocol
Monday, August 24, 2026 in Blog
In August 2026, Cloudflare released three products in three weeks — Kitesurf, Wallets, and x402. On the surface, they appear to be a “stateless browser,” a “programmable wallet,” and an “HTTP payment protocol.” But …
Xiaohongshu dots3 note Open Source Deep Dive: 280B MoE Multimodal Model — A Content Platform Enters the Open-Source LLM Arena
Sunday, August 23, 2026 in Blog
1. Introduction: A Strategic Pivot for a Content Platform On August 14, 2026, dots studio, the AI research lab at Xiaohongshu (also known as “Little Red Book”), officially released dots3-note preview — the first open-source model in the …
Pinecone Nexus Deep Dive: When the Retrieval Layer Beats Frontier Models — The Real Bottleneck of Agent Systems
Sunday, August 23, 2026 in Blog
Introduction: A Counterintuitive Result On August 6, 2026, Pinecone announced the General Availability of Nexus, its knowledge engine for AI agents. On the same day, on Sierra AI’s τ-Knowledge open benchmark for enterprise knowledge tasks, an …
NVIDIA Vera Rubin Mass Production Deep Dive: From Blackwell to Rubin — The Industrialization Milestone of Next-Gen AI Computing
Saturday, August 22, 2026 in Blog
NVIDIA Vera Rubin Mass Production Deep Dive: From Blackwell to Rubin — The Industrialization Milestone of Next-Gen AI Computing 1. Introduction: A New Epoch of AI Factory Computing On August 21, 2026, Microsoft CEO Satya Nadella confirmed via social …
DeepSeek V4-Flash-Vision-Exp Deep Dive: A New Milestone for Open-Source Multimodal Agents
Saturday, August 22, 2026 in Blog
1. Introduction: When DeepSeek Finally “Opens Its Eyes” On the afternoon of August 21, 2026, a new model name quietly appeared on the DeepSeek API documentation page: deepseek-v4-flash-vision-exp. No grand launch event, no lengthy …
WRC 2026 Deep Dive: Embodied Intelligence Ushers in the Era of Mass Production — Tiangong Omni, Pelican-Unify, and Unitree's Self-Evolution
Friday, August 21, 2026 in Blog
WRC 2026 Deep Dive: Embodied Intelligence Ushers in the Era of Mass Production 1. Conference Overview and Industry Signals From August 19 to 23, 2026, the 2026 World Robot Conference (WRC) opened in Beijing’s Beijing E-Town with the theme …
Perplexity Agent API Deep Dive: 41 Models via Single Endpoint — The New Paradigm of Multi-Model Agent Workflows
Friday, August 21, 2026 in Blog
Perplexity Agent API Deep Dive: 41 Models via Single Endpoint — The New Paradigm of Multi-Model Agent Workflows 1. Background & Motivation: From Search Platform to Agent Infrastructure On August 21, 2026, Perplexity officially launched the Agent …