ShiZhen AI
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ShiZhen AI

Tech blogger with over 10 years of experience at leading tech firms, AI efficiency and delivery expert focusing on AI productivity. Covers tech gadgets, AI-driven efficiency, and leisure— AI leisure community. 🛰 szzdzhp001

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Recent Articles

Latest from ShiZhen AI

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ShiZhen AI
ShiZhen AI
Oct 12, 2026 · Artificial Intelligence

Why AI Feels Useless to Some but Indispensable to Others: Karpathy's 4-Layer Funnel

The article explains the divergent AI experiences using Andrej Karpathy's four-layer funnel model, showing how task complexity, domain verifiability, and access levels create vastly different perceptions of AI utility, and provides a practical framework for selecting verifiable tasks to test AI agents effectively.

AI AdoptionAI AgentsAI evaluation framework
0 likes · 12 min read
Why AI Feels Useless to Some but Indispensable to Others: Karpathy's 4-Layer Funnel
ShiZhen AI
ShiZhen AI
Oct 2, 2026 · Artificial Intelligence

Cloudflare's Clef: Open-Source Decision Model Skips Token Generation for Agent Routing

Cloudflare open-sources Clef and Clef-flash, prefill-only decision models that score predefined options for routing tasks like ticket triage, avoiding token-by-token generation; the article explains their architecture, probability calibration needs, benchmark results versus Jev, latency and cost trade-offs, and a fine-tuning loop using Cloudflare's AI Gateway and Workers AI.

ClefClef-flashCloudflare
0 likes · 13 min read
Cloudflare's Clef: Open-Source Decision Model Skips Token Generation for Agent Routing
ShiZhen AI
ShiZhen AI
Sep 30, 2026 · Industry Insights

OpenAI DevDay 2026: 25 Updates – dots, GPT-6.1 Sol, Ultrafast, Codex & Pro Pricing

OpenAI's DevDay 2026 introduced 25 updates including persistent AI agents called dots, the cost-efficient GPT-6.1 Sol model, Ultrafast speed tier, cloud-based Codex with security scanning, new APIs for decisions and computer use, team collaboration tools like Space and Pages, and revised Pro subscription pricing with a one-time credit grant.

AI AgentsAPI updatesCodex
0 likes · 29 min read
OpenAI DevDay 2026: 25 Updates – dots, GPT-6.1 Sol, Ultrafast, Codex & Pro Pricing
ShiZhen AI
ShiZhen AI
Sep 23, 2026 · Artificial Intelligence

GPT-6 Sol, Luna & Claude Opus 5.5 Released: Price Drops, Benchmarks & How to Choose

OpenAI launched GPT-6 Sol and Luna while Anthropic released Claude Opus 5.5, all emphasizing lower costs and improved capabilities; the article compares pricing, benchmarks, cache economics, and independent evaluations, advising developers to test models on their own tasks to verify real-world cost per qualified result.

Claude Opus 5.5GPT-6LLM pricing
0 likes · 14 min read
GPT-6 Sol, Luna & Claude Opus 5.5 Released: Price Drops, Benchmarks & How to Choose
ShiZhen AI
ShiZhen AI
Sep 22, 2026 · Artificial Intelligence

Jev Ultrafast: 10k Stars in 4 Days — Architecture, 7s Google Flights & 12306 Compatibility Fixes

The article analyzes Jev Ultrafast, a minimal browser agent combining Browser Use and TypeSafe Jev that completes Google Flights searches in 7 seconds by converting pages into dynamic action tables, and details the author's 12306 test revealing three compatibility gaps fixed with generic keyboard events, cursor-pointer elements, and tab-switching logic.

12306AI AgentJev Ultrafast
0 likes · 15 min read
Jev Ultrafast: 10k Stars in 4 Days — Architecture, 7s Google Flights & 12306 Compatibility Fixes
ShiZhen AI
ShiZhen AI
Sep 21, 2026 · Artificial Intelligence

Jev: A Typed 'Intelligent If' for High-Speed Agent Decisions

Jev is a specialized AI model that outputs typed judgments and probabilities from text or JSON, enabling fast, low-cost routing, risk checks, and result verification in agent workflows without generating free-form text, while requiring careful threshold calibration and shadow-mode validation.

JevRLCDSystem One Model
0 likes · 12 min read
Jev: A Typed 'Intelligent If' for High-Speed Agent Decisions
ShiZhen AI
ShiZhen AI
Sep 21, 2026 · Artificial Intelligence

Qwen-Image-2.1: 7B DiT Unifies Text-to-Image, Editing & Transparent Output

Qwen-Image-2.1 releases a 7B-parameter Single-Stream DiT that unifies text-to-image, multi-reference editing up to 10 images, native RGBA transparency, and local region editing, with 33.1GB BF16 weights under a non-commercial research license and a self-reported 60.28 benchmark score.

DiTQwen-Image-2.1RGBA transparency
0 likes · 12 min read
Qwen-Image-2.1: 7B DiT Unifies Text-to-Image, Editing & Transparent Output