Model Comparison
MiMo-V2.5-Pro vs Muse Spark 1.1Which is better in 2026?
Muse Spark 1.1 significantly outperforms across most benchmarks. MiMo-V2.5-Pro is 3.7x cheaper per token.
Verdict: MiMo-V2.5-Pro vs Muse Spark 1.1 — which is better?
MiMo-V2.5-Pro (by Xiaomi) and Muse Spark 1.1 (by Meta) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
MiMo-V2.5-Pro outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 3 benchmarks (Finance Agent v2, Humanity's Last Exam, SWE-Bench Pro). Muse Spark 1.1 significantly outperforms across most benchmarks.
On price, MiMo-V2.5-Pro is roughly 3.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose MiMo-V2.5-Pro if…
- cost matters — it's about 3.7x cheaper per token
- you need open weights you can self-host or fine-tune
Choose Muse Spark 1.1 if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- you want the most recent training data — it shipped Jul 2026
Performance Benchmarks
Comparative analysis across standard metrics
MiMo-V2.5-Pro outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 3 benchmarks (Finance Agent v2, Humanity's Last Exam, SWE-Bench Pro).
Muse Spark 1.1 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, MiMo-V2.5-Pro ($0.43/1M tokens) is 2.9x cheaper than Muse Spark 1.1 ($1.25/1M tokens).
For output processing, MiMo-V2.5-Pro ($0.87/1M tokens) is 4.9x cheaper than Muse Spark 1.1 ($4.25/1M tokens).
In conclusion, Muse Spark 1.1 is more expensive than MiMo-V2.5-Pro.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 131,072 tokens.
Input Capabilities
Supported data types and modalities
Muse Spark 1.1 supports multimodal inputs, whereas MiMo-V2.5-Pro does not.
Muse Spark 1.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.
MiMo-V2.5-Pro
Muse Spark 1.1
License
Usage and distribution terms
MiMo-V2.5-Pro is licensed under MIT, while Muse Spark 1.1 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
MiMo-V2.5-Pro was released on 2026-04-27, while Muse Spark 1.1 was released on 2026-07-09.
Muse Spark 1.1 is 2 months newer than MiMo-V2.5-Pro.
Apr 27, 2026
2 months ago
Jul 9, 2026
1 weeks ago
2mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita. Muse Spark 1.1 is available from Meta Model API.
MiMo-V2.5-Pro
Muse Spark 1.1
Outputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against MiMo-V2.5-Pro and Muse Spark 1.1 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about MiMo-V2.5-Pro vs Muse Spark 1.1.