Is Muse Spark 1.3 Contributor or GLM-5.1 cheaper?

Muse Spark 1.3 Contributor is cheaper on output tokens ($0.20 vs $4.40 per 1M).

Which has the larger context window, Muse Spark 1.3 Contributor or GLM-5.1?

Muse Spark 1.3 Contributor has the larger context window (1M tokens).

Muse Spark 1.3 Contributor vs GLM-5.1

Muse Spark 1.3 Contributor is cheaper on output tokens, while Muse Spark 1.3 Contributor offers a larger context window. Choose Muse Spark 1.3 Contributor or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Muse Spark 1.3 Contributor	GLM-5.1
Provider	OpenCode Go	OpenCode Go
Input / 1M tokens	$0.10	$1.40
Output / 1M tokens	$0.20	$4.40
Context window	1M	203K
Parameters	—	754B
Open weights	No	Yes
Released	Sep 2026	Apr 2026

Muse Spark 1.3 Contributor details →GLM-5.1 details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.