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Z.ai Launches GLM-5.2, Top-Three LLM at Fractional Cost

6/26/2026

Summary

Z.ai Launches GLM-5.2

Z.ai released GLM-5.2 in the United States days after the government forced Anthropic to disable Mythos and Fable.
Independent testers ranked GLM-5.2 among the world’s three strongest large-language models on benchmark tasks.
GLM-5.2 costs about $1.40 per million input tokens, roughly one-tenth Claude Opus 4.8’s $15 price.
Teams spending near $10,000 a month on closed systems can match that work on GLM-5.2 for a fraction of the cost.

Summary

Legion Sues US

Legion sued the U.S. government after a federal directive barred foreign nationals, including Canadians, from Anthropic’s Fable 5 and Mythos 5 models.
The directive first forced Anthropic to disable the models for all users, then allowed limited Fable 5 access under stricter nationality controls.
The lawsuit argues nationality-based limits violate labor and trade agreements, could hurt firms relying on cross-border talent and may set precedent for regulating AI model access for non-U.S. personnel.

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Z.ai Launches GLM-5.2

Z.ai released GLM-5.2 in the United States days after the government forced Anthropic to disable Mythos and Fable.
Independent testers ranked GLM-5.2 among the world’s three strongest large-language models on benchmark tasks.
GLM-5.2 costs about $1.40 per million input tokens, roughly one-tenth Claude Opus 4.8’s $15 price.
Teams spending near $10,000 a month on closed systems can match that work on GLM-5.2 for a fraction of the cost.

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