Sunk Cost sunkcost.ai Data checked 2026-09-03

GLM-5.3-Flash vs Qwen3.8 Flash Next

GLM-5.3-Flash scores higher on the intelligence index — 42 against 40. Qwen3.8 Flash Next is the smaller download at 120 GB, so it runs on cheaper hardware.

GLM-5.3-FlashQwen3.8 Flash Next
Intelligence index4240
ClassSonnet-classSonnet-class
Weights189 GB120 GB
QuantisationUD-Q4_K_MQ4_K_M
Parameters321.3B (18B active)180B (6B active)
Max context1024k256k
API price per 1M$0.075 in / $0.25 out$0.15 in / $0.47 out
LicenceMITqwen-community-1.0
Cheapest machine that runs itMac Studio M5 Ultra, 256GB $10,799Mac Studio M5 Ultra, 256GB $10,799
Summarising not rated not rated
Translation not rated not rated
Everyday coding not rated not rated
Reasoning & maths not rated not rated
Agentic work not rated not rated

Ratings are coarse on purpose. Speeds and pay-back depend on the machine — open either model's page for the full list, or see both against the frontier. Context is 32k throughout.