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Muse Spark 1.3 vs GLM-5.3

Muse Spark 1.3Meta
GLM-5.3Z.ai
Our take

Muse Spark 1.3 wins 3 of 4 categories and costs less: 1.1× cheaper for everyday text work. Easy pick.

Overall68Best61
Coding75Best68
Writing7070
Support71Best67
Value62Best54
Input / 1M$1.25Best$1.40
Output / 1M$4.25Best$4.40
Blended / 1M$2.00Best$2.15
Context window1MBest1M
Open weightsNoYes
Released2 Sept 202614 Aug 2026

Your monthly bill

50k
Muse Spark 1.3$400Cheapest
GLM-5.3$430
List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.
Muse Spark 1.3 vs GLM-5.3: scores, price and which to pick · Model Menu