GLM 5.2 is developed by Zhipu AI, a Chinese AI lab, as part of its GLM (General Language Model) family. In Tab it is served through Fireworks, a low-latency inference platform.

Is GLM 5.2 cheaper than Claude or GPT in Tab?

Yes. GLM 5.2 is the lowest cost-per-task agent in Tab's lineup, which makes it a strong default for everyday and high-volume agent work. Claude Opus 4.8 and GPT 5.5 cost more per turn but lead on the hardest reasoning.

When should I use GLM 5.2 instead of a flagship model?

Use GLM 5.2 for planning, rapid iteration, batch jobs, and most everyday briefs. Escalate to Claude Opus 4.8 or GPT 5.5 for long multi-scene projects, complex campaigns, or taste-heavy creative direction where coherence and nuance matter most.

How do I switch to GLM 5.2?

Open the agent model picker at the bottom of the prompt bar on the Tab homepage and choose GLM 5.2. The choice persists per chat, so you can run different models on different projects.

Is GLM 5.2 available on every plan?

Yes. GLM 5.2 is available across Free, Pro, and Business plans. Usage draws from your plan's credit pool like every other model. See /pricing for details.

GLM 5.2 Review: The Fast, Low-Cost Agent Model Tested in 2026

Zhipu AI's GLM 5.2, served on Fireworks, is the cheapest capable agent in Tab. Here's where it beats Claude and GPT on cost-per-task — and where it doesn't.

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