Community

15 community available in the ChatGPT directory

OpenAI Codex agent deep dive — how it compares to Claude Code

Tested the new Codex agent on 10 real tasks from our backlog. It spins up a sandboxed environment, reads your codebase, makes changes, and runs tests. Compared to Claude Code: Codex is more autonomous but less transparent about what it's doing. Claude Code lets you watch each step and intervene. For straightforward tasks (add a feature, fix a bug), Codex is faster. For complex refactors where judgment matters, Claude Code's interactive approach wins.

OpenAI_Watcher

245

GPT-5 is a massive leap — my detailed comparison with GPT-4o

Been testing GPT-5 since launch and the improvement over GPT-4o is significant. Reasoning is noticeably stronger — it catches logical fallacies I embed in prompts that GPT-4o missed. The memory feature actually works now, recalling preferences from weeks ago. Code generation is competitive with Claude Sonnet. The only downside: it's more expensive and slower. For complex tasks, worth it. For quick queries, 4o-mini is still better value.

PowerUser_Mike

567

The system prompt that made GPT-4o actually follow instructions

After months of iteration, here's the system prompt structure that consistently gets GPT-4o to follow complex instructions: 1. Role definition (one sentence) 2. Output format (explicit structure with examples) 3. Constraints (what NOT to do — this is crucial) 4. Reasoning approach (step-by-step for complex tasks) 5. Error handling ("If you're unsure about X, say so instead of guessing") The key insight: GPT-4o responds much better to negative constraints than positive instructions. "Never use bullet points" works better than "Write in paragraph form."

PromptLibrary

312

ChatGPT voice mode is my go-to for brainstorming now

Started using ChatGPT voice mode during walks and it's become my primary brainstorming tool. The natural conversation flow helps me think through problems in a way that typing doesn't. Last week I talked through an architecture decision for 30 minutes and it raised three concerns I hadn't considered. The voice quality is incredibly natural and it picks up on context cues like hesitation. The future of AI interaction is voice, not text.

MobileDevSam

278

Advanced Data Analysis (Code Interpreter) just got way better

OpenAI quietly upgraded the Code Interpreter backend and the difference is night and day. It now handles 100MB+ files without choking, generates publication-quality charts with proper formatting, and the Python environment includes scikit-learn, statsmodels, and other ML libraries. Uploaded our company's sales data and it built a forecasting model, generated an executive summary, and created a PDF report — all in one conversation.

DataAnalyst_Priya

389

ChatGPT custom GPTs that are actually worth using — my top 10

Tested over 200 custom GPTs. The ones actually worth your time: 1. Consensus — searches 200M academic papers 2. Canva — generates designs without leaving chat 3. Zapier AI Actions — connects to 6000+ apps 4. Data Analyst — handles CSV/Excel files natively 5. ScholarAI — full-text research papers with citations 6. Video Insights — analyzes YouTube videos 7. Diagrams — creates technical diagrams from descriptions 8. Code Copilot — specialized coding assistant 9. Wolfram — computational knowledge engine 10. AskYourPDF — analyzes and chats with PDFs Most custom GPTs are wrappers around basic prompts. These actually add real functionality.

AI_PM_Weekly

445

We deployed ChatGPT Enterprise for 500 employees — lessons learned

Six months into our ChatGPT Enterprise deployment. What worked: customer support team productivity up 35%, legal team document review time cut in half, engineering team uses it daily for code review. What didn't: marketing team found outputs too generic, finance team concerned about accuracy of numbers, HR stopped using it after a policy interpretation was wrong. Key lesson: AI amplifies good processes and exposes bad ones. You need training and guardrails.

EnterpriseCTO

356

ChatGPT in the classroom — what actually works after a full semester

Used ChatGPT with my university students for an entire semester. What works: Socratic tutoring (asking it to quiz you and explain wrong answers), debugging code with explanations, summarizing research papers, brainstorming essay outlines. What fails: generating essays directly (students learn nothing), doing math without showing work (they can't verify), replacing office hours (it gives confident wrong answers about course-specific policies). AI literacy is the real skill to teach.

EduTech_Lisa

223

Is OpenAI falling behind in the artificial intelligence “arms race”?

Describing AI development as an "arms race" might seem needlessly bombastic, but there's a reason why this term has entered common usage. It encapsulates the speed and intensity at which companies are developing and deploying AI systems. Everyone has to move fast because their rivals are moving fast, and no one wants to fall behind. Link: https://www.slashgear.com/2055593/openai-code-red-ai-competition/

Ali Mehrassa

ChatGPT: Everything you need to know about the AI-powered chatbot

ChatGPT, OpenAI’s text-generating AI chatbot, has taken the world by storm since its launch in November 2022. What started as a tool to supercharge productivity through writing essays and code with short text prompts has evolved into a behemoth with 300 million weekly active users. Link: https://techcrunch.com/2025/12/22/chatgpt-everything-to-know-about-the-ai-chatbot/

Ali Mehrassa

The state of enterprise AI

ChatGPT now serves more than 800 million users every week, and this rapid consumer adoption has created a powerful flywheel, accelerating the pace at which AI is being brought into work and professional settings. Link: https://openai.com/index/the-state-of-enterprise-ai-2025-report/

Louis Blanc

Introducing GPT-5.2-Codex

The most advanced agentic coding model for professional software engineering and defensive cybersecurity. Link: https://openai.com/index/introducing-gpt-5-2-codex/

Frederic Mallot

The new ChatGPT Images is here

Today, we’re releasing a new version of ChatGPT Images⁠(opens in a new window), powered by our new flagship image generation model. Now, whether you’re creating something from scratch or editing a photo, you’ll get the output you’re picturing. It makes precise edits while keeping details intact, and generates images up to 4x faster. Link: https://openai.com/index/new-chatgpt-images-is-here/

Max Hugo

Continuously hardening ChatGPT Atlas against prompt injection attacks

Automated red teaming—powered by reinforcement learning—helps us proactively discover and patch real-world agent exploits before they’re weaponized in the wild. Link: https://openai.com/index/hardening-atlas-against-prompt-injection/

Sam Jacob

ChatGPT’s yearly recap sums up your conversations with the chatbot

You’ll get a personalized ‘award’ and an AI-generated image based on how you used ChatGPT this year. Link: https://www.theverge.com/news/849348/openai-chatgpt-2025-year-in-review-wrapped

Jian Yu