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Grok 4.6 vs MiMo-V2.5-Pro

Comparing Grok 4.6 and MiMo-V2.5-Pro across benchmarks, pricing, and capabilities.

xAI · Xiaomi · Updated for 2026

Which is better?

Grok 4.6 and MiMo-V2.5-Pro trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, MiMo-V2.5-Pro is roughly 5.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiMo-V2.5-Pro 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 benchmark, pricing, and model metadata for 2026.

Choose Grok 4.6

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

Choose MiMo-V2.5-Pro

  • cost matters — it's about 5.5x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok 4.6
xAI
MiMo-V2.5-Pro
Xiaomi
Benchmark wins
—
—
Input price
$2.00 / M
$0.43 / M
Output price
$6.00 / M
$0.87 / M
Context window
500,000
1,048,576
Released
Aug 2026
Apr 2026
License
Proprietary
MIT

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok 4.6 and MiMo-V2.5-Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

MiMo-V2.5-Pro costs less

For input processing, Grok 4.6 ($2.00/1M tokens) is 4.6x more expensive than MiMo-V2.5-Pro ($0.43/1M tokens).

For output processing, Grok 4.6 ($6.00/1M tokens) is 6.9x more expensive than MiMo-V2.5-Pro ($0.87/1M tokens).

In conclusion, Grok 4.6 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 Aug 25 2026 • llm-stats.com
xAI
Grok 4.6
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Xiaomi
MiMo-V2.5-Pro
Input tokens$0.43
Output tokens$0.87
Best providerXiaomi
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

MiMo-V2.5-Pro accepts 1,048,576 input tokens compared to Grok 4.6's 500,000 tokens. Only MiMo-V2.5-Pro specifies output context (131,072 tokens).

xAI
Grok 4.6
Input500,000 tokens
Output- tokens
Xiaomi
MiMo-V2.5-Pro
Input1,048,576 tokens
Output131,072 tokens
Tue Aug 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok 4.6 supports multimodal inputs, whereas MiMo-V2.5-Pro does not.

Grok 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok 4.6

Text
Images
Audio
Video

MiMo-V2.5-Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Grok 4.6 is licensed under a proprietary license, while MiMo-V2.5-Pro uses MIT.

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

Grok 4.6

Proprietary

Closed source

MiMo-V2.5-Pro

MIT

Open weights

Release Timeline

When each model was launched

Grok 4.6 was released on 2026-08-12, while MiMo-V2.5-Pro was released on 2026-04-27.

Grok 4.6 is 4 months newer than MiMo-V2.5-Pro.

Grok 4.6

Aug 12, 2026

1 weeks ago

3mo newer
MiMo-V2.5-Pro

Apr 27, 2026

4 months ago

Knowledge Cutoff

When training data ends

Grok 4.6 has a documented knowledge cutoff of 2026-02-01, while MiMo-V2.5-Pro's cutoff date is not specified.

We can confirm Grok 4.6's training data extends to 2026-02-01, but cannot make a direct comparison without MiMo-V2.5-Pro's cutoff date.

Grok 4.6

Feb 2026

MiMo-V2.5-Pro

—

Provider Availability

Grok 4.6 is available from xAI. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.

Grok 4.6

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M

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
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Grok 4.6 and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.

Grok 4.6
✓ Preferred
MiMo-V2.5-Pro
Open in Playground

FAQ

Common questions about Grok 4.6 vs MiMo-V2.5-Pro.

Which is better, Grok 4.6 or MiMo-V2.5-Pro?

Grok 4.6 (xAI) and MiMo-V2.5-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 Grok 4.6 compare to MiMo-V2.5-Pro in benchmarks?

Grok 4.6 scores CursorBench v3.2: 69.9%, DeepSWE 1.1: 65.9%, FrontierCode: 61.3%, AA-Index: 61.0%, GDPval-AA: 58.4%. MiMo-V2.5-Pro scores FrontierSWE (Impl.): 100.0%, GSM8k: 99.6%, ARC-C: 97.2%, MMLU-Redux: 92.8%, C-Eval: 91.5%.

Is Grok 4.6 cheaper than MiMo-V2.5-Pro?

MiMo-V2.5-Pro is 4.6x cheaper for input tokens. Grok 4.6 costs $2.00/M input and $6.00/M output via xai. MiMo-V2.5-Pro costs $0.43/M input and $0.87/M output via xiaomi.

What are the context window sizes for Grok 4.6 and MiMo-V2.5-Pro?

Grok 4.6 supports 500K tokens and MiMo-V2.5-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 Grok 4.6 and MiMo-V2.5-Pro?

Key differences include context window (500K vs 1.0M), input pricing ($2.00 vs $0.43/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.6 and MiMo-V2.5-Pro?

Grok 4.6 is developed by xAI and MiMo-V2.5-Pro is developed by Xiaomi.

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