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DeepSeek-V4.1-Flash-20260910 (Max) vs Kimi K2.6

DeepSeek-V4.1-Flash-20260910 (Max) and Kimi K2.6 are about even on Arena (1464 vs 1455): in a blind vote each wins about half the time.

DeepSeek-V4.1-Flash-20260910 (Max)1464Arena chat · #38 of 417
Kimi K2.61455Arena chat · #44 of 417

Arena scores by category

CategoryDeepSeek-V4.1-Flash-20260910 (Max)Kimi K2.6Ahead
Chat14641455about even
Coding16181509DeepSeek-V4.1-Flash-20260910 (Max)
Vision12781282about even

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

Size and where to use them free

DeepSeek-V4.1-Flash-20260910 (Max)Kimi K2.6
Made bydeepseekmoonshot
Sizenot public1026.9 B (33.3 B active)
4-bit download—624 GB
Use it freeMIT licensedownload and run at home · Modified MIT license

Speed at home

HardwareDeepSeek-V4.1-Flash-20260910 (Max)Kimi K2.6
RTX 3090online onlydoes not fit
RTX 4090online onlydoes not fit
RTX 5090online onlydoes not fit
RX 7900 XTXonline onlydoes not fit
Mac M4 Max 128 GBonline onlydoes not fit
Ryzen AI Max+ 395 128 GBonline onlydoes 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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