Z.AI introduced GLM-4.5 with 355 billion parameters and open source

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Meet the new technological heavyweight! Z.AI company introduced the open language model GLM-4.5, which is ready to challenge Western giants not only with capabilities but also with accessibility.

Technically, GLM-4.5 represents an impressive MoE architecture with a colossal 355 billion parameters. Of which 32 billion are active at any given time. This engineering solution allows achieving balance between computational power and efficiency.

Particularly surprising are the model’s results in the most difficult tasks. While GLM-4.5 still slightly lags behind competitors in general knowledge and scientific tests, the Chinese model demonstrates cool performance in working with agents, programming and autonomous internet navigation. Sometimes surpassing recognized market leaders.

At the same time, Z.AI’s pricing policy looks attractive. The model is about 5 times cheaper than flagships like Grok 4 and Sonnet 4.

For those who need a more compact solution, the company released the lighter version GLM-4.5 Air. Retaining key capabilities of the senior model with lower computational requirements.

You can test this model’s capabilities right now for free through the web interface. Link in description.

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