Yeah can't imagine this is a small model, thinking time was quite long
@petergostev
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OpenAI Tests Anonymous Chatbot 0717 Web Development Model
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OpenAI are testing a new model on the Web Dev Arena @lmarena_ai under the name 'Anonymous Chatbot 0717'. I can't believe I'm gonna say this, but it is genuinely at a completely different level of front end coding – far better than Sonnet, o3, Gemini 2.5 Pro, or Grok 4.
— Peter Gostev (@petergostev) 18 juillet 2025
To test… pic.twitter.com/wQKMgPRFGFOpenAI are testing a new model on the Web Dev Arena @lmarena_ai under the name 'Anonymous Chatbot 0717'. I can't believe I'm gonna say this, but it is genuinely at a completely different level of front end coding – far better than Sonnet, o3, Gemini 2.5 Pro, or Grok 4. To test
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OpenAI’s New Agent Impresses with UI and Long-term Coherence
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My favourite thing about @OpenAI new agent might be superficial, but I love the UI – it shows exactly what it is doing without overloading you with information, and it does so in a smooth and beautiful way.
— Peter Gostev (@petergostev) 17 juillet 2025
Apart from the UI, it is also impressively coherent over a long period… pic.twitter.com/y7ys0iyrNsMy favourite thing about @OpenAI new agent might be superficial, but I love the UI – it shows exactly what it is doing without overloading you with information, and it does so in a smooth and beautiful way. Apart from the UI, it is also impressively coherent over a long period
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Surprise soft launch of new five-dollar product announced
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Can't believe they soft launched a fiver like this
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Grok 4 Performance Disappoints in Latest AI Benchmarks
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As more benchmarks come in, Grok 4’s shine begins to fade more and more. Now with @lmarena_ai scores out, we have another example where Grok 4 fell below expectations. It scored 4th overall (with style control on), and a pretty surprising #12 on the Web Arena, which tests for
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Open Source Impact: From VS Code to Billion-Dollar AI Startups
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With all the saga around @windsurf_ai over the last 72 hours, it’s worth looking back to 2015, when VS Code was launched and open-sourced. The decision to open source ultimately led to at least 2 startups valued at $12bn+ in total. There are many stories to be told: pivots,
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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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Grok 4 Token Efficiency Compared to o3 Model
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Grok 4 is really expensive – not just because its price per token is higher (it's priced the same as Sonnet or around 2x o3), but also because it needs to generate about 2x more tokens than o3 to complete the same tasks. We can see this clearly from data provided by
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Grok 4 Launch Reveals Critical AI Model Development Trends
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The reason the Grok 4 launch is interesting isn't because this model is so great that you should drop everything and use it instead (it isn't). It's interesting because of what it tells us about model trends. What we've learned:
– Grok 4 had no extra pre-train compute compared