A quick roundup of the most important AI updates this week:
Claude Code Pro users now get Opus 4.5
Anthropic has made Opus 4.5 available to all Claude Code Pro subscribers ($20/month). Previously, this top-tier model was exclusive to the Max plan ($100-$200/month).
OpenAI introduces the “Confessions” method for honest AI
OpenAI published a new research method called “Confessions”, which encourages models to admit when they break rules or use shortcuts.
Adds a separate “honesty” channel
Reduces missed misbehavior (false negatives) to 4.4%
Helps catch subtle alignment issues
Could shape future AI safety standards
Read more: https://openai.com/index/how-confessions-can-keep-language-models-honest/
Mistral AI releases the open-source Mistral 3 family
Mistral unveiled its Mistral 3 model suite:
3B, 8B, 14B dense models
Mistral Large 3 - a Mixture-of-Experts model with 41B active / 675B total parameters
Multilingual, multimodal
Fully open-source under Apache 2.0
Optimized in partnership with Nvidia, Red Hat, vLLM
Read more: https://mistral.ai/news/mistral-3
OpenAI launches ChatGPT group chats
OpenAI introduced group chats - up to 20 people + ChatGPT collaborating in one space.
Features include:
GPT-5.1 Auto
Search, file uploads, dictation, image generation
ChatGPT adapts socially (speaks when appropriate)
Groups appear directly in ChatGPT’s sidebar
Parental controls for minors
Read more: https://openai.com/index/group-chats-in-chatgpt/
How to build AI agents from scratch for free — in 5 minutes
If you want to try to build your first AI Agent using Python, make sure to watch my latest video about it. You would need about 5 minutes to create your first multi-agent system. ;)
Watch on YouTube: How to Build AI Agents from scratch
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