China’s Low-Priced Z.ai Model Is Exposing Costly Coder Habits
Z.ai's GLM 5.2 model, released on June 16, offers API pricing at $4.40 per million output tokens, which is less than a fifth of Anthropic's Opus 4.8 and a tenth of Anthropic's Fable. Many software engineers tend to default to the most powerful models without considering cost, a habit that may benefit U.S. frontier labs. GLM 5.2 is an open-weights model with 753 billion parameters (40 billion active at once) and is released under an MIT license.
Why it matters: The cost disparity highlights how developer habits of ignoring token budgets could be disrupted by cheaper, capable models like GLM 5.2, potentially shifting competitive dynamics in AI coding assistants.
Full story at: IEEE Spectrum / AI ↗