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GLM-5.3-Flash vs Kimi K3.1 Pro (Max)

GLM-5.3-Flash and Kimi K3.1 Pro (Max) are about even on Arena (1474 vs 1483): in a blind vote each wins about half the time.

GLM-5.3-Flash1474Arena chat · #40 of 421
Kimi K3.1 Pro (Max)1483Arena chat · #24 of 421

Arena scores by category

CategoryGLM-5.3-FlashKimi K3.1 Pro (Max)Ahead
Chat14741483about even
Coding16091688Kimi K3.1 Pro (Max)

Scores from blind human votes on Arena. A gap under 10 points is too small to call.

Size and where to use them free

GLM-5.3-FlashKimi K3.1 Pro (Max)
Made byzaimoonshot
Size321.3 B (24.7 B active)2780.1 B (104.8 B active)
4-bit download196 GB1686 GB
Use it freedownload and run at home · MIT licensedownload and run at home · Kimi K3.1 Pro License

Speed at home

HardwareGLM-5.3-FlashKimi K3.1 Pro (Max)
RTX 3090does not fitdoes not fit
RTX 4090does not fitdoes not fit
RTX 5090does not fitdoes not fit
RX 7900 XTXdoes not fitdoes not fit
Mac M4 Max 128 GBdoes not fitdoes not fit
Ryzen AI Max+ 395 128 GBdoes not fitdoes not fit

Estimates at 4-bit with an 8K context, 64 GB of system RAM for offload, calibrated on 44 real llama.cpp tests.

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