Comparing 2 models

Muse Spark 1.2 vs GLM 5.3 Flash

Benchmarks through

Verdict

Muse Spark 1.2 places higher on 4 of the 4 tasks where both are ranked. GLM 5.3 Flash costs 51.4x less per input token. Only GLM 5.3 Flash has open weights for self-hosting.

  • Choose Muse Spark 1.2 for Document Parsing (#4), OCR & Documents (#4), Charts & Diagrams (#5).
  • Choose GLM 5.3 Flash for you need to self-host.

Built from the published task rankings below; ranks come from each task's own weighted benchmarks, so a win on one task says nothing about another.

metric
Model 1Muse Spark 1.2
Model 2GLM 5.3 Flash
Best for
Document Parsing (#4)
High-Volume Extraction (#3)
Provider
meta
z-ai
Context
1.0MBest
1.0MBest
Input / 1M
$1.25
$0.024Best
Output / 1M
$4.25
$0.90Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
—
yesBest
Released
Aug 5, 2026
Aug 21, 2026

Measured head to head

Benchmarks both models were run on

EvaluationMuse Spark 1.2GLM 5.3 FlashSource
Design Arena Coding1315 Elo1285 Elosource · 2026-10-16
Design Arena UI1302 Elo1318 Elosource · 2026-10-16
Design Arena Website1315 Elo1274 Elosource · 2026-10-16
LiveBench Agentic Coding57.6%56.8%source · 2026-10-16
LiveBench Coding77.5%79.0%source · 2026-10-16
LiveBench Data Analysis76.5%76.4%source · 2026-10-16
LiveBench Instruction Following74.3%52.8%source · 2026-10-16
LiveBench Language78.6%77.3%source · 2026-10-16
LiveBench Math91.2%81.2%source · 2026-10-16
LiveBench Reasoning90%77.6%source · 2026-10-16
LMArena Agent-6.5-1.1source · 2026-10-14
LMArena Agent Bash Recovery5.8-5.7source · 2026-10-08
LMArena Agent Steerability-8.3-3source · 2026-10-14
LMArena Agent Task Outcome-7.93.9source · 2026-10-14
LMArena Agent Tool Hallucination0.20.6source · 2026-10-14
LMArena Creative Writing1440 Elo1441 Elosource · 2026-10-15
LMArena Instruction Following1462 Elo1478 Elosource · 2026-10-15
LMArena Long Query1476 Elo1482 Elosource · 2026-10-15
LMArena Math1476 Elo1505 Elosource · 2026-10-15
LMArena Text1493 Elo1474 Elosource · 2026-10-15
LMArena Text Factuality1481 Elo1463 Elosource · 2026-10-15
LMArena Vision1293 Elo1273 Elosource · 2026-10-09
LMArena Vision Diagrams1317 Elo1306 Elosource · 2026-10-09
LMArena Vision OCR1307 Elo1284 Elosource · 2026-10-09
LMArena WebDev1533 Elo1606 Elosource · 2026-10-13

Values are as published by each evaluator, in its own units; rows from different evaluators are not on a common scale.