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ChatGPT 5.4 Cracks Erdős Math Mystery as Microsoft and OpenAI Update Landmark Partnership

Model Breakthroughs & Research

ChatGPT 5.4 Solves Long-standing Erdős Problem: ChatGPT 5.4 has reportedly solved a 60-year-old unsolved Erdős problem in mathematics, with the solution verified by mathematician Terence Tao. This milestone highlights the model's advanced reasoning and its ability to synthesize techniques from various mathematical fields to solve complex, high-level problems.

Talkie: A Language Model Trained on Historical Data: AI researchers have released "Talkie," a 13B parameter model trained exclusively on text from before 1931 to study how LLMs generalize without modern web training. Despite its outdated training set, the model shows surprising linguistic capabilities and early signs of learning simple Python.

Open Source & Local AI

Xiaomi Open-Sources MiMo V2.5 Pro: Xiaomi has released the MiMo V2.5 Pro, a high-performance AI model now available to the open-source community. Benchmark results indicate it outperforms several competing models in general, mathematical, and coding tasks.

Local Coding Models Reach Professional Feasibility: Local AI models like Qwen 3.6-27B have achieved a performance threshold that makes them viable for real-world professional coding. Benchmarks on Terminal-Bench 2.0 suggest these local models now rival the performance of hosted models from late 2025.

Industry & Corporate News

David Silver Raises $1.1B for Autonomous Learning AI: Former DeepMind researcher David Silver has raised $1.1 billion to develop AI systems that learn from real-world experiences rather than human-generated data. This initiative focuses on achieving greater AI autonomy and adaptability through continual learning.

Microsoft and OpenAI Move to Non-Exclusive Partnership: Microsoft and OpenAI have updated their partnership agreement, making Microsoft’s license for OpenAI intellectual property non-exclusive. This allows OpenAI to serve products across any cloud provider, while Microsoft retains a license to OpenAI IP through 2032 without a revenue share requirement.

Product Updates & Cloud Services

Mistral Large 3 Released on AWS Bedrock: Mistral Large 3, an advanced 673B parameter Mixture-of-Experts model, is now available on AWS Bedrock. The model features a 256k context window and provides high reliability and state-of-the-art performance for multimodal tasks.

Anthropic Updates Claude Code Model Configuration: Anthropic has revised the access rules for Claude Code, requiring Pro users to enable and purchase extra usage to access Opus models. This change specifically impacts how users interact with higher-tier models within the Claude coding ecosystem.

Mistral AI Highlighted for GDPR Compliance: Mistral AI is being recognized as a key provider for GDPR-compliant AI coding, ensuring that user data remains within Europe by default. This structural compliance distinguishes it for EU-based users and organizations evaluating secure coding tools.