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MiMo-V2-Pro vs Muse Spark Open

Muse Spark Open leads the LLM Stats Score 44.9 to 35.4. MiMo-V2-Pro is 1.3x cheaper per token.

Xiaomi · Meta · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 44.9 to 35.4, ranking #43 overall.

On price, MiMo-V2-Pro is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Spark Open also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose MiMo-V2-Pro

  • cost matters — it's about 1.3x cheaper per token

Choose Muse Spark Open

  • overall performance matters — it scores 44.9 and ranks #43 on LLM Stats
  • your work emphasizes coding and agents — it leads those capability indexes
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

MiMo-V2-Pro
Xiaomi
Muse Spark Open
Meta
Core performance indexes
LLM Stats Score
35.4
#103
44.9
#43
Reasoning
37.5
#84
45.2
#39
Coding
25.3
#85
33.0
#42
Agents
16.8
#97
30.6
#43
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.00 / M
$1.25 / M
Output price
$3.00 / M
$4.25 / M
Context window
1,000,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
MiMo-V2-Pro
Muse Spark Open
Tool use
18.4#80
23.3#44
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for MiMo-V2-Pro · 17 for Muse Spark Open

No common benchmarks found

MiMo-V2-Pro and Muse Spark Opendon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiMo-V2-Pro costs less

For input processing, MiMo-V2-Pro ($1.00/1M tokens) is 1.3x cheaper than Muse Spark Open ($1.25/1M tokens).

For output processing, MiMo-V2-Pro ($3.00/1M tokens) is 1.4x cheaper than Muse Spark Open ($4.25/1M tokens).

In conclusion, Muse Spark Open is more expensive than MiMo-V2-Pro.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Oct 20 2026 • llm-stats.com
Xiaomi
MiMo-V2-Pro
Input tokens$1.00
Output tokens$3.00
Best providerXiaomi
Meta
Muse Spark Open
Input tokens$1.25
Output tokens$4.25
Best providerTogether
Notice missing or incorrect data?

Model Size

Parameter count comparison

184.0B diff

MiMo-V2-Pro has 184.0B more parameters than Muse Spark Open, making it 22.5% larger.

Xiaomi
MiMo-V2-Pro
1.0Tparameters
Meta
Muse Spark Open
816.0Bparameters
1000.0B
MiMo-V2-Pro
816.0B
Muse Spark Open

Context Window

Maximum input and output token capacity

Muse Spark Open accepts 1,048,576 input tokens compared to MiMo-V2-Pro's 1,000,000 tokens. Muse Spark Open can generate longer responses up to 1,048,576 tokens, while MiMo-V2-Pro is limited to 16,384 tokens.

Xiaomi
MiMo-V2-Pro
Input1,000,000 tokens
Output16,384 tokens
Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
Tue Oct 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark Open supports multimodal inputs, whereas MiMo-V2-Pro does not.

Muse Spark Open can handle both text and other forms of data like images, making it suitable for multimodal applications.

MiMo-V2-Pro

Text
Images
Audio
Video

Muse Spark Open

Text
Images
Audio
Video

License

Usage and distribution terms

MiMo-V2-Pro is licensed under a proprietary license, while Muse Spark Open uses Muse Model License.

License differences may affect how you can use these models in commercial or open-source projects.

MiMo-V2-Pro

Proprietary

Closed source

Muse Spark Open

Muse Model License

Open weights

Release Timeline

When each model was launched

MiMo-V2-Pro was released on 2026-03-18, while Muse Spark Open was released on 2026-10-15.

Muse Spark Open is 7 months newer than MiMo-V2-Pro.

MiMo-V2-Pro

Mar 18, 2026

7 months ago

Muse Spark Open

Oct 15, 2026

5 days ago

7mo 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-Pro is available from Xiaomi. Muse Spark Open is available from Together.

MiMo-V2-Pro

xiaomi logo
Xiaomi
Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M

Muse Spark Open

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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against MiMo-V2-Pro and Muse Spark Open side-by-side, then vote on the output you prefer.

MiMo-V2-Pro
✓ Preferred
Muse Spark Open
Open in Playground

FAQ

Common questions about MiMo-V2-Pro vs Muse Spark Open.

Which is better, MiMo-V2-Pro or Muse Spark Open?

Muse Spark Open leads the LLM Stats Score 44.9 to 35.4. MiMo-V2-Pro is made by Xiaomi and Muse Spark Open is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does MiMo-V2-Pro compare to Muse Spark Open in benchmarks?

MiMo-V2-Pro scores Tau2 Telecom: 96.8%, DeepSearchQA: 86.7%, PinchBench: 81.0%, SWE-Bench Verified: 78.0%, SWE-bench Multilingual: 71.7%. Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%.

Is MiMo-V2-Pro cheaper than Muse Spark Open?

MiMo-V2-Pro is 1.3x cheaper for input tokens. MiMo-V2-Pro costs $1.00/M input and $3.00/M output via xiaomi. Muse Spark Open costs $1.25/M input and $4.25/M output via together.

What are the context window sizes for MiMo-V2-Pro and Muse Spark Open?

MiMo-V2-Pro supports 1.0M tokens and Muse Spark Open 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-Pro and Muse Spark Open?

Key differences include LLM Stats Score (35.4 vs 44.9), context window (1.0M vs 1.0M), input pricing ($1.00 vs $1.25/M), multimodal support (no vs yes), licensing (Proprietary vs Muse Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes MiMo-V2-Pro and Muse Spark Open?

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

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