Model Comparison

Seed 2.1 Pro vs MiMo-V2-ProWhich is better in 2026?

Comparing Seed 2.1 Pro and MiMo-V2-Pro across benchmarks, pricing, and capabilities.

Verdict: Seed 2.1 Pro vs MiMo-V2-Pro — which is better?

Seed 2.1 Pro (by ByteDance) and MiMo-V2-Pro (by Xiaomi) 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.

Choose Seed 2.1 Pro if…

  • you want the most recent training data — it shipped Jun 2026

Choose MiMo-V2-Pro if…

  • you want predictable pricing at $1.00/M input and $3.00/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Seed 2.1 Pro and MiMo-V2-Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only MiMo-V2-Pro specifies input context (1,000,000 tokens). Only MiMo-V2-Pro specifies output context (16,384 tokens).

ByteDance
Seed 2.1 Pro
Input- tokens
Output- tokens
Xiaomi
MiMo-V2-Pro
Input1,000,000 tokens
Output16,384 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Seed 2.1 Pro supports multimodal inputs, whereas MiMo-V2-Pro does not.

Seed 2.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Seed 2.1 Pro

Text
Images
Audio
Video

MiMo-V2-Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Seed 2.1 Pro

Proprietary

Closed source

MiMo-V2-Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Seed 2.1 Pro was released on 2026-06-24, while MiMo-V2-Pro was released on 2026-03-18.

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

Seed 2.1 Pro

Jun 24, 2026

3 weeks ago

3mo newer
MiMo-V2-Pro

Mar 18, 2026

4 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→

Key Takeaways

ByteDance
Supports multimodal inputs
Xiaomi
Larger context window (1,000,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

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

Seed 2.1 Pro
✓ Preferred
MiMo-V2-Pro
Open in Playground
AI Model Comparison Table
Feature
ByteDance
Seed 2.1 Pro
Xiaomi
MiMo-V2-Pro

FAQ

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

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

Seed 2.1 Pro (ByteDance) and MiMo-V2-Pro (Xiaomi) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

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

Seed 2.1 Pro scores CharXiv-D: 95.5%, MathVision: 94.5%, MathVista: 90.7%, MathVerse: 89.7%, Video-MME: 89.2%. MiMo-V2-Pro scores Tau2 Telecom: 96.8%, DeepSearchQA: 86.7%, PinchBench: 81.0%, SWE-Bench Verified: 78.0%, SWE-bench Multilingual: 71.7%.

What are the context window sizes for Seed 2.1 Pro and MiMo-V2-Pro?

Seed 2.1 Pro supports an unknown number of tokens and MiMo-V2-Pro 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 Seed 2.1 Pro and MiMo-V2-Pro?

Key differences include multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

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

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

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