MiMo-V2.6-Pro vs Muse Spark 1.3: Specs & Benchmark Comparison

MiMo-V2.6-Pro is developed by Xiaomi, while Muse Spark 1.3 comes from Meta. Both were released in September 2026. MiMo-V2.6-Pro has a published size of about 1.0 trillion parameters; Meta has not disclosed the parameter count of Muse Spark 1.3.

The two models share 3 published benchmarks. Muse Spark 1.3 leads on 2 of them, MiMo-V2.6-Pro on 1. The widest gaps are on DeepSWE 1.1, where Muse Spark 1.3 scores 75.4% against 71.9%; JobBench, where Muse Spark 1.3 scores 64.9% against 62.0%. Averaged across everything we track, MiMo-V2.6-Pro sits at 59.7% and Muse Spark 1.3 at 73.4%.

MiMo-V2.6-Pro is the cheaper API at $0.43 per million input tokens and $0.87 per million output tokens, roughly 3 times cheaper than Muse Spark 1.3 at $1.25 and $4.25. Both accept a context window of about 1M tokens. Both accept text, images, audio, and video as input.

CharacteristicMiMo-V2.6-ProMuse Spark 1.3
CompanyXiaomiMeta
Release DateSeptember 22, 2026September 2, 2026
Parameters1.0T—
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)—944K
Input Price / 1M$0.43$1.25
Output Price / 1M$0.87$4.25
Average Score59.7%73.4%
Benchmarks
DeepSWE 1.171.9%75.4%
JobBench62.0%64.9%
Terminal-Bench 2.189.9%88.8%

Visual Benchmark Comparison

MiMo-V2.6-Pro
Muse Spark 1.3
DeepSWE 1.10.7 vs 0.8
0.7
0.8
JobBench0.6 vs 0.6
0.6
0.6
Terminal-Bench 2.10.9 vs 0.9
0.9
0.9

Verdict

MiMo-V2.6-Pro leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: MiMo-V2.6-Pro — 0.6, Muse Spark 1.3 — 0.7.

API Cost

MiMo-V2.6-Pro is 4.2x cheaper: input $0.43/1M vs $1.25/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

MiMo-V2.6-Pro is newer: released 9/22/2026 vs 9/2/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — MiMo-V2.6-Pro or Muse Spark 1.3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — MiMo-V2.6-Pro or Muse Spark 1.3?
MiMo-V2.6-Pro is cheaper for input: $0.43 per 1M tokens vs $1.25.
Which has a larger context window — MiMo-V2.6-Pro or Muse Spark 1.3?
MiMo-V2.6-Pro supports a larger context: 1,048,576 tokens vs 1,048,576.

The MiMo-V2.6-Pro and Muse Spark 1.3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the MiMo-V2.6-Pro or Muse Spark 1.3 page. See also the complete list of AI model comparisons.