Muse Spark 1.1 alternatives
Quick answer · Updated July 2026
The closest alternative to Muse Spark 1.1 is Gemini 3.5 Flash — comparable intelligence (50.2 vs 50.6); for a cheaper option, GPT-5.6 Luna runs $1.00/M vs $1.25/M; for more speed, GPT-5.6 Luna hits 135 t/s; and the best open-weight substitute is GLM 5.2.
Closest match
Cheaper alternatives
Faster alternatives
Smarter alternatives
Open-source alternatives
Frequently asked
What is the best alternative to Muse Spark 1.1?
Gemini 3.5 Flash is the closest alternative to Muse Spark 1.1, with an Intelligence Index of 50.2 (Muse Spark 1.1 scores 50.6) at $1.50 per million input tokens.
Is there a cheaper alternative to Muse Spark 1.1?
Yes — GPT-5.6 Luna costs $1.00 per million input tokens versus $1.25 for Muse Spark 1.1, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to Muse Spark 1.1?
GLM 5.2 is the strongest open-weight alternative to Muse Spark 1.1 — downloadable from Hugging Face and self-hostable, scoring 51.1 on intelligence.