by Zhipu AI
Z.ai: GLM 5.3 Flash.
multimodal
open weights
1.3M ctx
Cheapest input
$0.075/M
on OpenRouter
Cheapest output
$0.25/M
on OpenRouter
Hosted equiv.
~$0.09/hr
@ 100 tok/s on OpenRouter
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...
Where to use it
Cheapest hosted endpoints.
FAQ
Frequently asked.
How do I run Z.ai: GLM 5.3 Flash?
Z.ai: GLM 5.3 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 Z.ai: GLM 5.3 Flash?
Z.ai: GLM 5.3 Flash is available via Together AI, DeepInfra, OpenRouter, z.ai. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Z.ai: GLM 5.3 Flash?
API pricing starts at $0.075/M input tokens and $0.25/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Z.ai: GLM 5.3 Flash open-source or proprietary?
Z.ai: GLM 5.3 Flash is open-weight under the license. You can download and self-host it.
API pricing
Per provider
What it costs per month across providers.
Estimate your monthly bill for Z.ai: GLM 5.3 Flash across every host that publishes per-token pricing. Slide your token volumes; the chart + table re-rank cheapest-first.
Cheapest
$1.25
OpenRouter
Most expensive
$2.5
DeepInfra
Spread
$1.25
max − min
Providers
3
with priced rows
Monthly bill
Cheapest provider on the left.
Total monthly cost — input + output tokens combined.
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Bill breakdown.
Full calculator
Want to compare token volumes across other models too?
Open the standalone API pricing tool →
Context window
How much it can remember.
1.3M tokens
≈ 983,040 English words
4K
32K
128K
1M
Capabilities
What it can do.
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Vision input
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Audio input
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Video input
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Function calling
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Tool use
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JSON mode
✓
Streaming
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Fine-tuning