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MiMo-V2.6-Pro vs Seed 2.1 Pro

MiMo-V2.6-Pro leads the LLM Stats Score 49.8 to 46.2.

Xiaomi · ByteDance · Updated for 2026

Which is better?

MiMo-V2.6-Pro leads the overall LLM Stats Score 49.8 to 46.2, ranking #19 overall.

In the 1 individual benchmarks reported for both models, Seed 2.1 Pro wins 1; this is a narrower head-to-head signal than the composite indexes.

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

Choose MiMo-V2.6-Pro

  • overall performance matters — it scores 49.8 and ranks #19 on LLM Stats
  • your work emphasizes coding and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

Choose Seed 2.1 Pro

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

At a glance

The differences that matter most.

Core performance indexes
49.8
#19
46.2
#27
45.2
#30
47.4
#24
41.8
#9
33.4
#37
37.5
#13
31.8
#31
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
— / M
— / M
Output price
— / M
— / M
Context window

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
MiMo-V2.6-Pro
Seed 2.1 Pro
28.0#21
24.5#32
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

3 reported for MiMo-V2.6-Pro · 94 for Seed 2.1 Pro

1 shared

MiMo-V2.6-Pro outperforms in 0 benchmarks, while Seed 2.1 Pro is better at 1 benchmark (Program Bench).

Seed 2.1 Pro significantly outperforms across most benchmarks.

Tue Sep 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Both MiMo-V2.6-Pro and Seed 2.1 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

MiMo-V2.6-Pro

Text
Images
Audio
Video

Seed 2.1 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

MiMo-V2.6-Pro is licensed under MIT, while Seed 2.1 Pro uses a proprietary license.

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

MiMo-V2.6-Pro

MIT

Open weights

Seed 2.1 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

MiMo-V2.6-Pro was released on 2026-09-22, while Seed 2.1 Pro was released on 2026-06-24.

MiMo-V2.6-Pro is 3 months newer than Seed 2.1 Pro.

MiMo-V2.6-Pro

Sep 22, 2026

-1 days ago

3mo newer
Seed 2.1 Pro

Jun 24, 2026

2 months ago

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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against MiMo-V2.6-Pro and Seed 2.1 Pro side-by-side, then vote on the output you prefer.

MiMo-V2.6-Pro
✓ Preferred
Seed 2.1 Pro
Open in Playground

FAQ

Common questions about MiMo-V2.6-Pro vs Seed 2.1 Pro.

Which is better, MiMo-V2.6-Pro or Seed 2.1 Pro?

MiMo-V2.6-Pro leads the LLM Stats Score 49.8 to 46.2. MiMo-V2.6-Pro is made by Xiaomi and Seed 2.1 Pro is made by ByteDance. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does MiMo-V2.6-Pro compare to Seed 2.1 Pro in benchmarks?

MiMo-V2.6-Pro scores DeepSWE 1.1: 71.9%, MiMo Coding Bench: 63.2%, Program Bench: 26.5%. Seed 2.1 Pro scores CharXiv-D: 95.5%, MathVision: 94.5%, MathVista: 90.7%, MathVerse: 89.7%, Video-MME: 89.2%.

What are the main differences between MiMo-V2.6-Pro and Seed 2.1 Pro?

Key differences include LLM Stats Score (49.8 vs 46.2), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes MiMo-V2.6-Pro and Seed 2.1 Pro?

MiMo-V2.6-Pro is developed by Xiaomi and Seed 2.1 Pro is developed by ByteDance.