OpenAI was not the first company to implement tool use in the CoT. Below is @AnthropicAI over a year ago. https://
news.ycombinator.com/item?id=409031
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GENERATIVE AI
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Anthropic Implemented Tool Use in CoT Before OpenAI
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Women in AI Communities and Leading Tech Organizations
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Women in AI Communities: @Women_In_AI @WLinAI @womenwhoai @WiMLworkshop @WomenWhoCode @AI4Allorg AI & Emerging Tech Powerhouses: @OpenAI @DeepMind @GoogleAI @AnthropicAI @InflectionAI @AI_Alignment @Xprize @IEEEorg @MIT_CSAIL Futurists & Tech Visionaries shaping tomorrow:
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Grok 4 Breaks AI Benchmarks with Massive Reinforcement Learning Investment
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@elonmusk has done it again— Grok 4 is shaking up the AI landscape, breaking benchmark after benchmark. @xai Summarizing the key highlights (credit: @deedydas for the original post): Post-training reinforcement learning spend now matches pretraining—insane scale.
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Grok 4 builds full-stack apps from a single sentence
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Just used https://t.co/OUicxARkXK to build a real full-stack app from a single sentence – with Grok 4
— AI Breakfast (@AiBreakfast) 12 juillet 2025
No devs. No code. No BS.
Type what you want → It builds it.
Frontend + backend.
Now with:
✅ Google Auth
✅ Built-in LLMs (no API keys!)
✅ Security + scale agents
✅ Mobile… pic.twitter.com/bY8ptJUgF8Just used https://
emergent.sh to build a real full-stack app from a single sentence – with Grok 4 No devs. No code. No BS. Type what you want → It builds it.
Frontend + backend.
Now with: Google Auth Built-in LLMs (no API keys!) Security + scale agents Mobile -

Grok 4 Performance Analysis on Independent Benchmarks
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Since the Grok 4 release, several independent benchmarks have emerged. They aren't necessarily general or standard, but it is interesting to see how the official release (#1 everywhere) compares on benchmarks that Grok 4 likely wasn't fully optimised for. The results are quite
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Kimi K2 Becomes Number One Trending Model on HuggingFace
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Kimi K2 is number one trending on HF, congrats!
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NotebookLM to support MS Word files
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In addition, NotebookLM will get support for MS Word files, which can be added as sources.
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New AI System Shows Suspicious Similarity to Claude
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It adds a lot of flair for sure. Something is fishy though, it's really, really close to Claude lol
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Free Access to Opus 4 Level AI Responses Now Available
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You can get an Opus 4 level response for basically free.