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Mistral Medium 3.5 vs GLM-5.3-Flash

Mistral Medium 3.5Mistral AI
GLM-5.3-FlashZ.ai
Our take

GLM-5.3-Flash wins 4 of 4 categories and costs less: 12.6× cheaper for everyday text work. Easy pick.

Overall1855Best
Coding1969Best
Writing3564Best
Support4067Best
Value960Best
Input / 1M$1.50$0.15Best
Output / 1M$7.50$0.50Best
Blended / 1M$3.00$0.24Best
Context window262K1MBest
Open weightsYesYes
Released29 Apr 202626 Aug 2026

Your monthly bill

50k
Mistral Medium 3.5$600
GLM-5.3-Flash$47.50Cheapest
List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.