Model comparison

Muse Spark 1.3 vs GLM 5.3

Compare pricing, context windows and capabilities from OpenRouter. Open either model’s page to check availability and try it online.

metaMuse Spark 1.3newmeta/muse-spark-1.3z-aiGLM 5.3newz-ai/glm-5.3

Measured intelligence and task cost

Two current intelligence leaders from different providers. Artificial Analysis index v4.3, updated 2026-09-21.

Muse Spark 1.3 (max): 48.1 intelligence · $1.60 / AA task

GLM-5.3 (max): 44.8 intelligence · $2.01 / AA task · Open weights

Highest reasoning effort with both measurements available. Benchmark task costs are not OpenCraft task quotes; your settings and workload can differ.

Input price /M$1.25$1.40

Output price /M$4.25$4.40

Cache read /M$0.151.7× cheaper$0.26

Context window1M1M

Catalog date2 Sept 202618 Aug 2026

What the same turn costs

Estimates from published token rates — stated token counts, not measurements.

Quick answer2K tokens in, 600 outMuse Spark 1.3$0.0050GLM 5.3$0.0054

10-slide deck build60K tokens in, 9K outMuse Spark 1.3$0.113GLM 5.3$0.124

150-page PDF read200K tokens in, 4K outMuse Spark 1.3$0.267GLM 5.3$0.298

Capabilities

Bothtool-usereasoning

Only Muse Spark 1.3vision

Muse Spark 1.3: text, image, video, file, audio → text · GLM 5.3: text → text

Which model should you use?

Start with the token cost for your workload, the context you need, and supported input types. A lower price or larger context window does not establish better answer quality.

To compare answers, open each model in a separate chat and use the same prompt. Token tables use published specs and estimates; any measured AA results above are a separate benchmark.

Try Muse Spark 1.3 — pricing and availability Try GLM 5.3 — pricing and availability