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

3 benchmarks

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.

Tue Jul 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

MiMo-V2.5-Pro costs less

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

Lowest available price from all providers
Tue Jul 21 2026 • llm-stats.com
Xiaomi
MiMo-V2.5-Pro
Input tokens$0.43
Output tokens$0.87
Best providerXiaomi
Meta
Muse Spark 1.1
Input tokens$1.25
Output tokens$4.25
Best providerMeta
Notice missing or incorrect data?Start an Issue

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.

Xiaomi
MiMo-V2.5-Pro
Input1,048,576 tokens
Output131,072 tokens
Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
Tue Jul 21 2026 • llm-stats.com

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

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

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.

MiMo-V2.5-Pro

MIT

Open weights

Muse Spark 1.1

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.

MiMo-V2.5-Pro

Apr 27, 2026

2 months ago

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

2mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

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

xiaomi logo
Xiaomi
Input Price:Input: $0.43/1MOutput Price:Output: $0.87/1M
deepinfra logo
Deepinfra
Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M
novita logo
Novita
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M

Muse Spark 1.1

meta logo
Meta
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Less expensive input tokens
Less expensive output tokens
Has open weights
Supports multimodal inputs
Higher Finance Agent v2 score (57.2% vs 41.5%)
Higher Humanity's Last Exam score (62.1% vs 34.0%)
Higher SWE-Bench Pro score (61.5% vs 57.2%)

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.

MiMo-V2.5-Pro
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
Xiaomi
MiMo-V2.5-Pro
Meta
Muse Spark 1.1

FAQ

Common questions about MiMo-V2.5-Pro vs Muse Spark 1.1.

Which is better, MiMo-V2.5-Pro or Muse Spark 1.1?

Muse Spark 1.1 significantly outperforms across most benchmarks. MiMo-V2.5-Pro is made by Xiaomi and Muse Spark 1.1 is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does MiMo-V2.5-Pro compare to Muse Spark 1.1 in benchmarks?

MiMo-V2.5-Pro scores FrontierSWE (Impl.): 100.0%, GSM8k: 99.6%, ARC-C: 97.2%, MMLU-Redux: 92.8%, C-Eval: 91.5%. Muse Spark 1.1 scores CharXiv-R: 88.4%, MCP Atlas: 88.1%, OSWorld-Verified: 80.8%, Terminal-Bench 2.1: 80.0%, BabyVision: 76.3%.

Is MiMo-V2.5-Pro cheaper than Muse Spark 1.1?

MiMo-V2.5-Pro is 2.9x cheaper for input tokens. MiMo-V2.5-Pro costs $0.43/M input and $0.87/M output via xiaomi. Muse Spark 1.1 costs $1.25/M input and $4.25/M output via meta.

What are the context window sizes for MiMo-V2.5-Pro and Muse Spark 1.1?

MiMo-V2.5-Pro supports 1.0M tokens and Muse Spark 1.1 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between MiMo-V2.5-Pro and Muse Spark 1.1?

Key differences include input pricing ($0.43 vs $1.25/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes MiMo-V2.5-Pro and Muse Spark 1.1?

MiMo-V2.5-Pro is developed by Xiaomi and Muse Spark 1.1 is developed by Meta.