Fenxi Journal
Discover our thoughts on modern design, software architecture, and best practices for building exceptional products.
Featured
Since October 1, ChatGPT can show you a jacket on your own selfie. On Monday, October 5, TikTok announced an assistant that answers your questions about a product, then lets you buy it in one click. In between, CNBC walked through how Muse, Meta’s agent, fills a basket and prepares the payment for you. Taken […]
Fenxi editorial team
Selection
Claude Code Routines, Managed Agents or n8n? Control, cost, quotas, security, a real Kbis pipeline at Legalstart and our verdict on deterministic vs agentic automation.
Pricing, context, coding, agents and availability: compare Claude Opus 5, GPT-5.6 Sol, Fable 5 and Kimi K3 to pick the right AI model.
Moonshot AI unveiled Kimi K3 on 16 July 2026: 2.8 trillion parameters, a one million token context, native multimodality. A look at the MoE architecture, Kimi Delta Attention, the published benchmarks and the model’s real limits.
AI used to answer me. Now it works inside my environment. For a long time, my collaboration with AI followed roughly the same sequence: open a tab, write a prompt, read the answer, close the tab. Useful, but fundamentally disconnected from my real working environment. The AI knew nothing about my Figma files, nothing about […]
TL;DR: close to 80% of SaaS features stay underused, and 30-40% are forgotten within 90 days (Pendo). The real lever isn’t building more, it’s measuring actual usage before prioritizing the next roadmap. Metric Value SaaS features rarely or never used ~80% New features forgotten within 90 days 30-40% Average adoption rate of a SaaS feature […]
TL;DR: every extra 100ms of load time costs about 1% in conversions, and Google tightened its « good » LCP threshold to 2 seconds in 2026. A targeted performance diagnosis can recover that lost revenue before a redesign or campaign launch. Metric Impact Each extra 100ms of load time -1% conversions One-second load delay -7% conversions Google’s […]
TL;DR: an AI-generated site works, but it doesn’t convert better than the market average. Without product strategy, UX and real user testing, AI produces an «average» site that can end up costing you: lost traffic, lost conversions, even lost revenue. Metric Data Conversion rate increase from real UX investment (Forrester) up to +400% Top 1M […]
Update July 2026: since this comparison was published, Claude Opus 5, GPT-5.6 Sol and Kimi K3 have arrived. For the latest matchup, read our Claude Opus 5 vs GPT-5.6 Sol vs Fable 5 vs Kimi K3 comparison. GPT-5.5 vs Gemini 3.5 vs Fable 5: The 2026 Comparison TL;DR: there is no longer a single best […]
Ask three different vendors for a data quote. You will get three ranges with nothing in common. Why? Because « data project » covers very different realities: cleaning up data in a spreadsheet and building a multi-source analytics architecture are not the same thing. The real problem with data quotes is that they bundle collection, storage, reporting, […]
