Fable 5 shutdown: 4 open-weight coding models responded before Anthropic could restore access

When the US government ordered Claude Fable 5 pulled on June 12, open-weight coding models from Cohere, Moonshot, and Zhipu became enterprises' instant second source. The New Stack documents how four open models filled the gap inside of days — accelerating the open-source vs. clo

CNBC's June 16 coverage ("Anthropic's Fable shutdown is a big moment for open-source AI") noted that many of the models gaining traction are Chinese. For developers, the practical takeaway is that the closed-vs-open frontier for coding models is now a procurement decision: enterprises that bet solely on Anthropic found themselves scrambling for backups, while teams that had already integrated open-weight models (Qwen-Coder, DeepSeek-Coder-V4, GLM-Coder) kept shipping.