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glm-5.3.

text closed 1M ctx
Cheapest input
$1.4/M
on OpenRouter
Cheapest output
$4.4/M
on OpenRouter
Hosted equiv.
~$1.58/hr
@ 100 tok/s on OpenRouter
Hosted API only

No self-host path — closed weights.

glm-5.3's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $1.4 $4.4 Launch ↗
FAQ

Frequently asked.

How do I run glm-5.3?
glm-5.3 is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access glm-5.3?
glm-5.3 is available via OpenRouter, z.ai. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run glm-5.3?
Pricing varies per access provider — check each entry in the access table for current rates.
Is glm-5.3 open-source or proprietary?
glm-5.3 is a proprietary model from Zhipu AI. Access is API-only — there are no public weights to download.