Skip to content
System Prompt AI logoSystem Prompt AI
The Blog

Practical AI, in writing.

Workflows, prompts, tools, and field notes from building production AI systems.Page 15 of 22

ChatGPT·February 23, 2026

Stop ChatGPT From Inventing Sources (One Line Fix)

ChatGPT will happily make up a statistic and cite a source that never existed. One line in Custom Instructions shuts that down for good.

ChatGPT·February 22, 2026

ChatGPT 90-Second Pro Setup

Most people jump straight into prompts and wonder why the answers are generic. Spend 90 seconds setting up a Project and every chat starts smart.

ChatGPT·February 21, 2026

Hidden ChatGPT Mode: Extended Thinking

Most people judge ChatGPT by its instant answers. For strategy, pricing, and real decisions, switch to Extended Thinking and let it actually reason.

ChatGPT·February 20, 2026

Same Question, Two Outputs

Ask ChatGPT the same question twice, then flip one setting. You'll instantly see whether you're getting filler or real structure.

Prompts·February 19, 2026

Resume Rejected? Fix It With One Prompt (ATS Approved)

Getting filtered out by ATS even though your resume looks fine? Here's the one prompt that tailors it to any job and surfaces your keyword gaps.

AI Tools·February 19, 2026

AI Chatbot Tier List 2026: Which One Should You Use?

Most people blame their prompts. The real problem is they picked the wrong chatbot. Here's the 2026 tier list for real work.

Prompts·February 18, 2026

Your Resume Is Getting Rejected

Most resumes get ignored because the bullets read like a job description. Here's the prompt that rewrites them with metrics and the right keywords.

AI News·February 17, 2026

Claude Default Model Just Changed

Anthropic made Claude Sonnet 4.6 the default for Free and Pro, with better coding and computer use, and no price change.

ChatGPT·February 16, 2026

Stop Picking The Wrong ChatGPT Mode

If ChatGPT feels dumb or slow, you're probably in the wrong mode. Auto, Instant, Thinking, and Pro each behave differently. Here's when to use which.

ChatGPT·February 15, 2026

Stop Waiting 30 Seconds For ChatGPT To Reply

Tired of ChatGPT writing an essay when you wanted a sentence? One Custom Instruction forces short answers by default and lets you ask for depth on demand.

ChatGPT·February 14, 2026

Stop The ChatGPT Sidebar Graveyard

If your ChatGPT sidebar is a wall of orphaned chats, stop opening a new one for everything. Use Projects so each workstream keeps its own clean context.

ChatGPT·February 13, 2026

9 Ways Experts Put ChatGPT To Work

ChatGPT itself listed nine real expert use cases. Here's the walkthrough, plus the hidden insight to copy for each one.