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kimi-k2.5-thinking vs Kimi K2.6

Kimi K2.6 is ahead on Arena (1455 vs 1445): in a blind vote people prefer it about 51% of the time.

kimi-k2.5-thinking1445Arena chat · #62 of 416
Kimi K2.61455Arena chat · #44 of 416

Arena scores by category

Categorykimi-k2.5-thinkingKimi K2.6Ahead
Chat14451455Kimi K2.6
Vision12691283Kimi K2.6

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

Size and where to use them free

kimi-k2.5-thinkingKimi K2.6
Made bymoonshotmoonshot
Sizenot public1026.9 B (33.3 B active)
4-bit download—624 GB
Use it freeModified MIT licensedownload and run at home · Modified MIT license

Speed at home

Hardwarekimi-k2.5-thinkingKimi 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.

Try them yourself

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