by Zhipu AI

Z.ai: GLM 4.5V.

multimodal open weights laptop+ 9B params 66K ctx
Cheapest input
$0.6/M
on Zhipu BigModel
Cheapest output
$1.8/M
on Zhipu BigModel
Fastest
4 tok/s
on OpenRouter
Smallest GPU
1× Nvidia GTX 1660 Ti
$0.035/hr
Run it yourself

Cheapest hardware per quantisation.

Each row is one quantisation tier (the same weights compressed differently). Lower precision → lower VRAM → cheaper hardware, at the cost of small accuracy loss. $/hr refreshed hourly from each provider's API.

Quantisation Cheapest GPU config Total VRAM Live $/hr tokens/sec
FP16
FP16 — half precision (default)
24 GB Compare →
FP8
FP8 — 8-bit float (Hopper / Blackwell)
12 GB Compare →
INT4
INT4 — 4-bit integer (~4× VRAM saving)
6 GB $0.035/hr Compare →
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