IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
880 articles
28 Mar 2026 · 5 min read
ai
Mistral's Devstral 2 achieves 72.2% on SWE-Bench at 7x cheaper than Claude Sonnet. Here's what this means for teams building AI-powered dev tooling in 2026.
Read more28 Mar 2026 · 6 min read
ai
GPT-4 level AI cost $30/M tokens in 2023. Today it's under $1. Here's the technical architecture that lets you capture 90%+ of that savings without sacrificing quality.
Read more28 Mar 2026 · 5 min read
communication
A practical speaking guide for Vietnamese developers who want to propose technical ideas confidently in English — from team meetings to executive presentations.
Read more27 Mar 2026 · 5 min read
agile
Practical English phrases and dialogue examples for Vietnamese developers in Agile ceremonies — sprint planning, retrospectives, estimation, and project updates.
Read more27 Mar 2026 · 5 min read
1on1
A practical guide for Vietnamese tech leads on how to lead 1-on-1 meetings in English — with real phrases, dialogue examples, and mistakes to avoid.
Read more27 Mar 2026 · 5 min read
ai
Deep dive into Gemini 3.1 Pro's practical developer features — 77.1% ARC-AGI-2, dynamic thinking API, 1M token context, and what these benchmarks actually mean when building production AI systems.
Read more27 Mar 2026 · 6 min read
agents
90% of developers now use AI at work. But the real shift in March 2026 is agents moving from suggestion-mode to autonomous execution. Here's what that actually looks like in production systems and what breaks when you go too far too fast.
Read more27 Mar 2026 · 6 min read
communication
A practical guide for Vietnamese developers on how to give task estimates, push back on unrealistic deadlines, and manage stakeholder expectations confidently in English.
Read more27 Mar 2026 · 7 min read
career
Daily English practice for tech professionals. Evening session — speaking practice, review, and real-world scenarios.
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