LLM Engineering •
OpenAI Python HTTPX2 Migration: Fix the TLS Trap First
The OpenAI Python HTTPX2 migration breaks certifi TLS in containers and proxies. The full checklist, OS trust store fix, and legacy escape hatch.
6 min read
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LLM Engineering •
Kimi K3 vs Claude Fable 5: When the Open Model Is Worth the Switch
Kimi K3 beats Claude Fable 5 on cost by a wide margin and loses on agentic tasks. The benchmarks that decide it, and how to run K3 where it actually wins.
6 min read
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LLM Engineering •
GPT-5.6 Sol vs Terra vs Luna: The Routing Strategy That Cuts Cost
GPT-5.6 Sol vs Terra vs Luna compared on price, coding, latency, and cost per task — plus a routing strategy that cuts your bill without wrecking quality.
5 min read
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LLM Engineering •
GPT-5.6 API: Pricing, Thinking Modes, and the Shared Context Trap
GPT-5.6 API pricing ($1-$30/1M), the Ultra and Max thinking modes, and a 1.05M context window that is shared — with the fine print that breaks agent loops.
10 min read
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LLM Engineering •
GPT-5.4 for Agents: Computer Use, MCP Tool Calls, and Real Pricing
GPT-5.4's native computer use and MCP tool calls are the real upgrade for agents. What holds up in a loop, what the 1M context costs, and how Pro compares.
12 min read
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LLM Engineering •
OpenAI GPT-5.3 Instant: 26.8% Fewer Hallucinations, Reduced Refusals, and Better Web Answers
GPT-5.3 Instant brings 26.8% fewer hallucinations, fewer needless refusals, and better web-sourced answers — what changed and why it matters for devs.
10 min read
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Web Engineering •
Node.js Backend for Frontend Developers: A Practical Guide
A frontend developer's guide to building a Node.js backend: Express, REST APIs, middleware, databases, auth, and deployment — plus the mindset shift you need.
8 min read
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