The AI arena is free today

Open Superagent

Grok Code Fast 1 vs MiMo-V2.6-Pro

MiMo-V2.6-Pro leads the LLM Stats Score 49.8 to 20.7.

xAI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Pro leads the overall LLM Stats Score 49.8 to 20.7, ranking #19 overall.

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

Choose Grok Code Fast 1

  • you want predictable pricing at $0.20/M input and $1.50/M output

Choose MiMo-V2.6-Pro

  • overall performance matters — it scores 49.8 and ranks #19 on LLM Stats
  • your work emphasizes reasoning and coding — 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

At a glance

The differences that matter most.

Core performance indexes
20.7
#195
49.8
#19
20.6
#188
45.2
#30
12.9
#143
41.8
#9
Cost, coverage & limits
Benchmark wins
Input price
$0.20 / M
— / M
Output price
$1.50 / M
— / M
Context window
256,000

Individual benchmarks

1 reported for Grok Code Fast 1 · 3 for MiMo-V2.6-Pro

No common benchmarks found

Grok Code Fast 1 and MiMo-V2.6-Prodon'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

Context Window

Maximum input and output token capacity

Only Grok Code Fast 1 specifies input context (256,000 tokens). Only Grok Code Fast 1 specifies output context (10,000 tokens).

xAI
Grok Code Fast 1
Input256,000 tokens
Output10,000 tokens
Xiaomi
MiMo-V2.6-Pro
Input- tokens
Output- tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

MiMo-V2.6-Pro supports multimodal inputs, whereas Grok Code Fast 1 does not.

MiMo-V2.6-Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok Code Fast 1

Text
Images
Audio
Video

MiMo-V2.6-Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Grok Code Fast 1 is licensed under a proprietary license, while MiMo-V2.6-Pro uses MIT.

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

Grok Code Fast 1

Proprietary

Closed source

MiMo-V2.6-Pro

MIT

Open weights

Release Timeline

When each model was launched

Grok Code Fast 1 was released on 2025-08-28, while MiMo-V2.6-Pro was released on 2026-09-22.

MiMo-V2.6-Pro is 13 months newer than Grok Code Fast 1.

Grok Code Fast 1

Aug 28, 2025

1.1 years ago

MiMo-V2.6-Pro

Sep 22, 2026

-1 days ago

1.1yr 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Grok Code Fast 1 and MiMo-V2.6-Pro side-by-side, then vote on the output you prefer.

Grok Code Fast 1
✓ Preferred
MiMo-V2.6-Pro
Open in Playground

FAQ

Common questions about Grok Code Fast 1 vs MiMo-V2.6-Pro.

Which is better, Grok Code Fast 1 or MiMo-V2.6-Pro?

MiMo-V2.6-Pro leads the LLM Stats Score 49.8 to 20.7. Grok Code Fast 1 is made by xAI and MiMo-V2.6-Pro is made by Xiaomi. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Grok Code Fast 1 compare to MiMo-V2.6-Pro in benchmarks?

Grok Code Fast 1 scores SWE-Bench Verified: 70.8%. MiMo-V2.6-Pro scores DeepSWE 1.1: 71.9%, MiMo Coding Bench: 63.2%, Program Bench: 26.5%.

What are the context window sizes for Grok Code Fast 1 and MiMo-V2.6-Pro?

Grok Code Fast 1 supports 256K tokens and MiMo-V2.6-Pro supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok Code Fast 1 and MiMo-V2.6-Pro?

Key differences include LLM Stats Score (20.7 vs 49.8), multimodal support (no vs yes), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok Code Fast 1 and MiMo-V2.6-Pro?

Grok Code Fast 1 is developed by xAI and MiMo-V2.6-Pro is developed by Xiaomi.