by Zhipu AI
GLM-4.5-Flash.
text
open weights
🧬 Distilled from
GLM-4.5
— smaller, cheaper to run, similar reasoning style.
Lowest-latency, lowest-cost variant of GLM-4.5 on z.ai.
Where to use it
Cheapest hosted endpoints.
Family
GLM-4.5
GLM-4.5-Air
GLM-5.1
GLM-5
GLM-5 Turbo
GLM-4.7
GLM-4.6
Variants in the GLM family.
GLM-4.5
355.0B
open
MIT
Zhipu's frontier open-weight MoE — 355B total, 32B active. Strong agentic + r...
GLM-4.5-Air
106.0B
open
MIT
Smaller, cheaper sibling of GLM-4.5. 106B total, 12B active.
GLM-5.1
32.0B
open
Zhipu's GLM 5.1 series — successor to GLM-5 on z.ai's API.
GLM-5
355.0B
open
Zhipu's GLM 5 generation — closed flagship between GLM-4.7 and GLM-5.1.
GLM-5 Turbo
open
Faster, cheaper sibling of GLM-5 on z.ai.
GLM-4.7
9.0B
open
Mid-generation GLM 4.7 released between GLM-4.6 and GLM-5.
GLM-4.6
355.0B
open
Incremental upgrade on GLM-4.5 — improved reasoning, same context window.
FAQ
Frequently asked.
How do I run GLM-4.5-Flash?
GLM-4.5-Flash 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-4.5-Flash?
GLM-4.5-Flash is available via Zhipu BigModel, z.ai. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run GLM-4.5-Flash?
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-4.5-Flash open-source or proprietary?
GLM-4.5-Flash is open-weight under the license. You can download and self-host it.
Capabilities
What it can do.
·
Vision input
·
Audio input
·
Video input
·
Function calling
·
Tool use
·
JSON mode
✓
Streaming
·
Fine-tuning