Open-Source Alternatives to 
Muse Spark 1.2
The best open-weight, self-hostable alternatives to Muse Spark 1.2 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 1.2
Muse Spark 1.2 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
6.7 pts ABOVE Muse Spark 1.2 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 1.2 →
DeepSeek V4.1 Flash 1017 Open
5.5 pts ABOVE Muse Spark 1.2 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 1.2 →
Step 5 Preview Open
4.1 pts ABOVE Muse Spark 1.2 on the Artificial Analysis intelligence index · 1.6× cheaper per million output tokens
Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional...
Step 5 Preview vs Muse Spark 1.2 →
MiniMax M3.1 Flash Open
3.1 pts ABOVE Muse Spark 1.2 on the Artificial Analysis intelligence index · 7.1× cheaper per million output tokens
MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,...
MiniMax M3.1 Flash vs Muse Spark 1.2 →
Mistral Large 4 Open
Within 1.2 pts of Muse Spark 1.2 on the Artificial Analysis intelligence index · 1.0× cheaper per million output tokens
Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads. It offers a 1M-token context window with up...
Mistral Large 4 vs Muse Spark 1.2 →See the full open-source leaderboard
Live ranking of open-weight models with pricing, context windows and capabilities.
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