Chinese company Z.ai, which created the GLM models, has launched a legal-specific LLM that has been ‘mid-trained’ and post-trained to handle a range of tasks from contract review to regulatory compliance. It is multi-lingual.

Z.ai – known as Zhipu AI in China – is also the developer of the AutoClaw desktop agent, which handles a range of other needs, from spreadsheet analysis to business operations.

GLM-Legal is an LLM ‘specifically trained and optimised for legal work’ and based on ‘Z.ai’s existing GLM-5.3-Flash model, with additional legal-domain training and reinforcement learning’.

They added that the goal is to put its range of legal abilities to work in AutoClaw as well. Plus, it’s worth adding that although the company has trained GLM 5.3 Flash, it’s understood that this Legal version is not intended, at least not yet, to be an open weights model.

Interestingly, the company ran it through several legal AI benchmarks, including Harvey’s – see below.

Well, we’ve seen the big AI players launch into legal, although their main LLMs have not been specifically post-trained for the use of lawyers in most cases. Rather they’ve encouraged legal tech companies to connect to them, and they’ve also built ‘skills’ and other types of add-ins that lawyers can tap.…

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