OpenAI's GPT-5.6 Sol matched Anthropic's Claude Fable 5 on the Code Arena benchmark for coding agents while costing 40% less. The performance-per-dollar advantage makes GPT-5.6 Sol the recommended sta…
Anthropic restored access to Claude Fable 5, its most capable publicly available model, on July 1 after a 19-day suspension due to US export controls. The Mythos-class model leads benchmarks with a 1,…
Arena AI has upgraded its Code Arena platform to support fullstack web development, enabling AI models to build applications with databases, API integrations, and live deployments. The platform now in…
Z.AI's open-weight GLM-5.2 (Max) model climbed to second place on the Code Arena frontend leaderboard by June 16, scoring up to 1,595 points and beating Claude Opus 4.7 (Thinking) by 29 points. The 74…
Chinese lab Zhipu's commercial arm Z.AI released GLM-5.2, a 753-billion-parameter open-source language model with a 1-million-token context window, on June 17. The model achieves near-frontier perform…
Code Arena has introduced seven new category-specific leaderboards for web development tasks, including Reference-Based Design, Brand and Marketing Websites, and Simulations, to better measure AI mode…