Comparing 2 models

Muse Spark 1.3 vs GLM 5.3 Flash

Benchmarks through

Verdict

GLM 5.3 Flash places higher on 3 of the 3 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 GLM 5.3 Flash for JSON & Schema Output (#3), Structured Data Extraction (#3), OCR & Documents (#7), 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 1.3
Model 2GLM 5.3 Flash
Best for
a General Assistant (#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
Sep 2, 2026
Aug 21, 2026

Measured head to head

Benchmarks both models were run on

EvaluationMuse Spark 1.3GLM 5.3 FlashSource
Design Arena Coding1353 Elo1285 Elosource · 2026-10-16
Design Arena UI1344 Elo1318 Elosource · 2026-10-16
Design Arena Website1348 Elo1274 Elosource · 2026-10-16
FrontierMath Tiers 1-3 (Epoch AI)74% ± 2.655.8% ± 2.9source · 2026-09-18
FrontierMath Tiers 1-3 (Epoch AI)74.4% ± 2.655.8% ± 2.9source · 2026-09-16
LiveBench Agentic Coding64.1%56.8%source · 2026-10-16
LiveBench Coding81.1%79.0%source · 2026-10-16
LiveBench Data Analysis79.6%76.4%source · 2026-10-16
LiveBench Instruction Following78%52.8%source · 2026-10-16
LiveBench Language82.8%77.3%source · 2026-10-16
LiveBench Math96.0%81.2%source · 2026-10-16
LiveBench Reasoning89.7%77.6%source · 2026-10-16
LMArena Agent3.6-1.1source · 2026-10-14
LMArena Agent Bash Recovery6.1-5.7source · 2026-10-08
LMArena Agent Steerability5.6-3source · 2026-10-14
LMArena Agent Task Outcome4.93.9source · 2026-10-14
LMArena Agent Tool Hallucination0.60.6source · 2026-10-14
LMArena Creative Writing1460 Elo1441 Elosource · 2026-10-15
LMArena Instruction Following1478 Elo1478 Elosource · 2026-10-15
LMArena Long Query1488 Elo1482 Elosource · 2026-10-15
LMArena Math1496 Elo1505 Elosource · 2026-10-15
LMArena Text1494 Elo1474 Elosource · 2026-10-15
LMArena Text Factuality1479 Elo1463 Elosource · 2026-10-15
LMArena Vision1290 Elo1273 Elosource · 2026-10-09
LMArena Vision Diagrams1321 Elo1306 Elosource · 2026-10-09
LMArena Vision OCR1306 Elo1284 Elosource · 2026-10-09
LMArena WebDev1659 Elo1606 Elosource · 2026-10-13
LMArena WebDev Image-to-Web1642 Elo1581 Elosource · 2026-10-09
OTIS Mock AIME (Epoch AI)99.2% ± 0.693.9% ± 2.2source · 2026-09-17
Terminal-Bench (4.0)14.6%35.8%source · 2026-10-16

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