Open-Source Alternatives to 
Muse Spark 1.3
The best open-weight, self-hostable alternatives to Muse Spark 1.3 in 2026 — compared on price, context window and capabilities. Run them locally and cut API costs.
Refreshed from live data · olud.ai
The best open-weight alternatives to Muse Spark 1.3
Muse Spark 1.3 is a proprietary, API-only model. These open-weight models can be self-hosted, run offline and used at a fraction of the cost — here's how the top ones stack up.
XI MiMo-V2.6-Pro Open
Within 1.8 pts of Muse Spark 1.3 on the Artificial Analysis intelligence index · 4.9× cheaper per million output tokens
MiMo-V2.6-Pro is the flagship foundation model developed by Xiaomi. Built at a scale of over 1T parameters, it is designed to push the ceiling of capability for the most demanding...
MiMo-V2.6-Pro vs Muse Spark 1.3 →
DeepSeek V4.1 Flash 1017 Open
Within 3.0 pts of Muse Spark 1.3 on the Artificial Analysis intelligence index · 7.1× cheaper per million output tokens
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
DeepSeek V4.1 Flash 1017 vs Muse Spark 1.3 →See the full open-source leaderboard
Live ranking of open-weight models with pricing, context windows and capabilities.
Open the leaderboard →