Google just concluded its Kaggle Game Arena's Chess tournament with OpenAI's o3 emerging as the gold medalist Grok 4 bagged a silver, while Gemini 2.5 Pro won a bronze in the competition involving matchups of eight frontier models
LLMS
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xAI releases Grok 4 free with usage limits, paid upgrade required
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xAI made its all-new Grok 4 AI model free for all, with usage limits
— The Rundown AI (@TheRundownAI) 11 août 2025
Once users hit the rate limit, they will be required to get a subscription or go back to Grok 3
Grok 4 Heavy, meanwhile, remains limited to SuperGrok subscriberspic.twitter.com/sp0tfJXFf1xAI made its all-new Grok 4 AI model free for all, with usage limits Once users hit the rate limit, they will be required to get a subscription or go back to Grok 3 Grok 4 Heavy, meanwhile, remains limited to SuperGrok subscribers
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OpenAI Fixes GPT-5 Issues Post-Rollout with Model Improvements
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OpenAI is fixing GPT-5 — after the flagship model ran into issues after rollout. Key changes: —Improved auto-switcher to get the right model
—UI change for manual thinking trigger
—Double rate limit for Plus users
—Potential comeback of GPT-4o -
OpenAI Fixes GPT-5 Following Initial Technical Failures
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AI NEWS: OpenAI is fixing GPT-5 after its initial rollout was hit with technical failures Plus, more news from Microsoft, xAI, Google, and ByteDance. Here's everything you need to know:
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LeanDojo Major Update: Lean 4 Code IDE for Verified Math
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Major update of LeanDojo: Lean + LLM for verified math reasoning. https://t.co/yYKUrhx7UG
— Prof. Anima Anandkumar (@AnimaAnandkumar) 11 août 2025
Lean4Code v1.0.0 – A specialized integrated development environment built as a fork of VS Code, designed specifically for Lean theorem proving. The IDE features automatic Lean installation,… pic.twitter.com/PWJEVWMhafMajor update of LeanDojo: Lean + LLM for verified math reasoning.
https://
leandojo.org Lean4Code v1.0.0 – A specialized integrated development environment built as a fork of VS Code, designed specifically for Lean theorem proving. The IDE features automatic Lean installation, -
Grok 4 Reduces Tool Subscription Need With Single Prompt Capability
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Grok 4’s ability to work from one prompt reduces the need for multiple tool subscriptions.
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Thinking Models Show Novel Behavior Patterns in Token Usage
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I've never spotted a thinking model pushing back like this at all before – they usually burn a bunch of tokens planning out which components they're going to draw and where they're going to put them
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GLM-4.5: Agentic Reasoning and Coding Foundation Models
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GLM-4.5 Agentic, Reasoning, and Coding (ARC) Foundation Models
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ChatGPT-5 lacks reasoning capabilities
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Because ChatGPT-5 doesn’t reason. (And AI is not ChatGPT-5.)