by zai-org

GLM 5.1.

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GLM-5.1 is Z.ai's next-generation flagship model built for agentic engineering, with stronger coding capabilities and sustained performance over long-horizon tasks with hundreds of iteration rounds. It's a 754B-parameter

Where to use it

Cheapest hosted endpoints.

Provider	Access	$/M in	$/M out
Fireworks AI	hosted inference	—	—	Launch ↗

FAQ

Frequently asked.

How do I run GLM 5.1?

GLM 5.1 is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.

Where can I access GLM 5.1?

GLM 5.1 is available via Fireworks AI. Each access option lists its own pricing (per million tokens or hourly hosting).

How much does it cost to run GLM 5.1?

Self-hosting cost depends on the GPU you rent and the throughput you need. See the Run It Yourself tab for GPU configurations and hourly cost estimates.

Is GLM 5.1 open-source or proprietary?

GLM 5.1 is open-weight under the license. You can download and self-host it.