Charly Wargnier (@DataChaz) / X

Charly Wargnier

32.1K posts

Charly Wargnier

@DataChaz

Ex @Streamlit @Snowflake Maestro • I write about AI agents, LLMs and automation • My ❤️ is open source • DM for collabs 📩

London 🇬🇧 ⇆ 🇫🇷 Pyrenees

Joined January 2009

Pinned
Charly Wargnier
@DataChaz
1h
STOP PAYING $500 FOR AI COURSES If you want to build your first AI agent, Google just published an 8-minute masterclass for free. The single best explanation of agentic loops. Watch it, and then read this ace Loop Engineering article by ex-Googler @addyosmani 👇
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Addy Osmani
@addyosmani
Jun 8
Article
Loop Engineering.
Loop engineering is replacing yourself as the person who prompts the agent. You design the system that does it instead. A loop here can be thought of a recursive goal where you define a purpose and...
4K
Charly Wargnier
@DataChaz
Jun 2, 2023
Hey #ChatGPT, finish this building! Great idea from impact.be, a Belgian agency specializing in construction jobs! - via @KMartenon
13M
Charly Wargnier
@DataChaz
Aug 22, 2024
By age 40, you should have a big box of random cables which you 'might need someday'
1.6M
Charly Wargnier
@DataChaz
Nov 9, 2024
Just so y'all know, every time you push code, you appear live on @github's real-time events board at their HQ
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795K
Charly Wargnier
@DataChaz
Jan 4, 2023
#ChatGPT cannot scrape the web and has limited knowledge of the world after 2021. Introducing `WebChatGPT`, a mighty Chrome extension that augments your prompts with relevant results from the web! 🤯 See my demo video below 👇 and install it here: 🔗 chrome.google.com/webstore/detai…
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1.6M
Charly Wargnier
@DataChaz
Nov 13, 2025
If you’re still sending raw JSON into your LLMs, you’re burning tokens, latency, and budget! Try TOON (Token-Oriented Object Notation). Clear like YAML, compact like CSV: • 30–60% fewer tokens • Up to 50% lower costs • Shines for tabular data. Free and Open source 🧵↓
2.5M
Charly Wargnier
@DataChaz
Oct 2, 2023
Insane. #GPT4 Vision can even read doctor's notes!
Readers added context they thought people might want to knowReaders added context
This post is photoshopped, and is not a real interaction with ChatGPT or GPT-4 x.com/wats_updog/sta…
Context is written by people who use X, and appears when rated helpful by others. Find out more.
1.5M
Charly Wargnier
@DataChaz
May 3, 2025
This is crazy. Nate Herkelman turned @n8n_io into a full marketing team! 🤯 His AI agent: ↳ generates and edits images ↳ fetches assets ↳ creates posts … and logs everything automatically! Full demo in 🧵 ↓
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424K
Charly Wargnier
@DataChaz
Jan 7, 2023
Here are 7 insanely useful Chrome extensions that will take your #ChatGPT experience to new heights! 🚀 A thread 🧵↓
780K
Charly Wargnier
@DataChaz
Oct 3, 2025
Microsoft just killed the GPU mafia! 🤯 They've open-sourced bitnet.cpp, a blazing-fast 1-bit LLM inference framework optimized for CPUs. This is a major step forward for running large models locally, without expensive GPUs or cloud costs. Demo app + repo + paper in 🧵 ↓
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506K
Charly Wargnier
@DataChaz
Dec 23, 2022
Everyone is talking about #ChatGPT and #GPT3, but did you know there was a free, #opensource version of GPT-3 called OPT-175B? No login, no credit card needed! ;) 👉 opt.alpa.ai
777K
Charly Wargnier
@DataChaz
Mar 23, 2023
This is moving way too fast! @OpenAI has just announced a new set of plugins for uploading and processing video clips! 🤯 And just like that, they made so many SaaS obsolete!
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1.1M
Charly Wargnier
@DataChaz
Oct 31, 2025
this guy literally put in 1000 hours of prompt engineering to nail down the 6 patterns that actually matter.
348K
Charly Wargnier
@DataChaz
Jan 6, 2023
#ChatGPT
419K