--- author: "Umesh Malik" canonical: "https://umesh-malik.com/blog/tag/openai" description: "Explore articles tagged with OpenAI by Umesh Malik — AI Engineer, LLM & GenAI Developer. Learn OpenAI best practices, practical tips, and in-depth guides." title: "Umesh Malik's Blog - OpenAI Articles | OpenAI Tutorials" tokens: 1322 generator: "scripts/generate-page-markdown.mjs" --- [← Back to Blog](https://umesh-malik.com/blog) # OpenAI 10 articles [![Agent harness design diagram: a model's reasoning discarded each turn versus reasoning retained and context compacted across turns](https://umesh-malik.com/blog/agent-harness-design-arc-agi-3-cover.png) AI Engineering • Aug 5, 2026 ### Agent Harness Design: Why an ARC-AGI-3 Score Tripled Agent harness design decided a benchmark: OpenAI's ARC-AGI-3 score went 13.3% → 38.3% with zero model changes. What that means for your agent loop. 11 min read Read more →](https://umesh-malik.com/blog/agent-harness-design-arc-agi-3) [![LLM abuse detection diagram contrasting per-message content classification with account-level behavioural correlation across a session corpus](https://umesh-malik.com/blog/llm-abuse-detection-openai-scam-network-cover.png) AI Security • Aug 5, 2026 ### LLM Abuse Detection: What OpenAI's Scam Ban Reveals LLM abuse detection failed at the message level and worked at the account level. OpenAI's Cambodia scam ban shows which signal actually catches misuse. 11 min read Read more →](https://umesh-malik.com/blog/llm-abuse-detection-openai-scam-network) [![Agent-to-human delegation — an AI agent handing a task to a human coworker in a chat tool](https://umesh-malik.com/blog/agent-to-human-delegation-cover.png) AI Engineering • Aug 3, 2026 ### Agent-to-Human Delegation: Why Your AI Shouldn't DM Coworkers Agent-to-human delegation is the pattern nobody designed for: your AI messaging a coworker. Why it lands badly, and the handoff rules that fix it. 10 min read Read more →](https://umesh-malik.com/blog/agent-to-human-delegation) [![ChatGPT super app reform showing the Apps SDK built on MCP with inline app UIs and the App Directory](https://umesh-malik.com/blog/chatgpt-apps-sdk-cover.png) AI Engineering • Jul 11, 2026 ### ChatGPT Apps SDK and the Super App Reform: How Apps in ChatGPT Work (2026) The ChatGPT Apps SDK explained: how apps in ChatGPT work, why it's built on MCP, who the launch partners are, and how developers build and submit apps. 7 min read Read more →](https://umesh-malik.com/blog/chatgpt-apps-sdk-super-app-guide) [![GPT-5.6 Sol vs Terra vs Luna comparison showing price, coding strength, and cost per task](https://umesh-malik.com/blog/gpt-5-6-sol-terra-luna-cover.png) LLM Engineering • Jul 11, 2026 ### 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 Read more →](https://umesh-malik.com/blog/gpt-5-6-sol-vs-terra-vs-luna) [![OpenAI GPT-5.6 family showing Sol, Terra, and Luna tiers with benchmarks, pricing, and 1.05M context](https://umesh-malik.com/blog/gpt-5-6-cover.png) LLM Engineering • Jul 11, 2026 ### 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 Read more →](https://umesh-malik.com/blog/openai-gpt-5-6-sol-terra-luna-guide) [![ChatGPT adult mode cover showing age prediction, adult verification, text-only scope, and safety guardrails](https://umesh-malik.com/blog/chatgpt-adult-mode-cover.png) LLM Engineering • Mar 16, 2026 ### ChatGPT Adult Mode: Is It Live Yet? (Status Explained) ChatGPT adult mode is still delayed — OpenAI's official status, what the feature would allow, why it was pushed back, and answers for parents. 7 min read Read more →](https://umesh-malik.com/blog/chatgpt-adult-mode-delay-guide) [![ChatGPT interactive learning cover showing math and science concepts becoming visual and interactive inside ChatGPT](https://umesh-malik.com/blog/chatgpt-learning-visuals-cover.png) LLM Engineering • Mar 12, 2026 ### ChatGPT Interactive Math and Science Visuals: What to Know ChatGPT interactive math and science visuals launched in March 2026: how the new learning modules work, who gets access, and why students benefit. 6 min read Read more →](https://umesh-malik.com/blog/chatgpt-interactive-math-science-visuals-guide) [![OpenAI GPT-5.4 overview showing professional work, coding, computer use, and 1M context](https://umesh-malik.com/blog/gpt-5-4-cover.png) LLM Engineering • Mar 6, 2026 ### 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 Read more →](https://umesh-malik.com/blog/openai-gpt-5-4-complete-guide) [![OpenAI GPT-5.3 Instant overview showing three key improvements: fewer refusals, better web answers, and smoother conversational tone](https://umesh-malik.com/blog/gpt-5-3-instant-cover.png) LLM Engineering • Mar 4, 2026 ### 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 Read more →](https://umesh-malik.com/blog/openai-gpt-5-3-instant-fewer-refusals-better-answers)