Claude Fable 5 outpaces GPT-5.5 by 13 points on FrontierMath's toughest problems

Claude Fable 5 just outperformed GPT-5.5 by 13 points on FrontierMath's toughest problems. This shows Claude's growing strength in tackling complex mathematical challenges, which could enhance its utility in educational and professional settings.
More in Models
Moonshot AI releases Kimi K3 open weights and infrastructure after shaking up the frontier model race
Moonshot AI just released the open weights and infrastructure for Kimi K3. This move shakes up the frontier model race, allowing developers to build on top of their advancements more easily.

Microsoft launches its own cybersecurity model MAI-Cyber-1-Flash but still depends on OpenAI for the toughest tasks
Microsoft just launched its cybersecurity model MAI-Cyber-1-Flash. It still relies on OpenAI for handling the most complex tasks, indicating a collaborative approach in tackling cybersecurity challenges.

Google is working on a new AI chip designed to make Gemini more efficient
Google is developing a new AI chip to enhance the efficiency of its Gemini model. This upgrade aims to improve performance and reduce energy consumption for AI tasks.
Alibaba's Qwen takes on Kimi K3 with open-weight Qwen 3.8, says model is "second only to Fable 5"
Alibaba just launched the open-weight Qwen 3.8 model, claiming it's 'second only to Fable 5'. This upgrade enhances their competitive edge in the AI model landscape.
