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Grok-4.1 Thinking vs MiMo-V2.6-Flash

MiMo-V2.6-Flash leads the LLM Stats Score 45.7 to 16.0.

xAI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Flash leads the overall LLM Stats Score 45.7 to 16.0, ranking #29 overall.

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

Choose Grok-4.1 Thinking

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose MiMo-V2.6-Flash

  • overall performance matters — it scores 45.7 and ranks #29 on LLM Stats
  • 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.

Grok-4.1 Thinking
xAI
MiMo-V2.6-Flash
Xiaomi
Core performance indexes
LLM Stats Score
16.0
#228
45.7
#29
Cost, coverage & limits
Benchmark wins
—
—
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
256,000
—

Individual benchmarks

11 reported for Grok-4.1 Thinking · 16 for MiMo-V2.6-Flash

No common benchmarks found

Grok-4.1 Thinking and MiMo-V2.6-Flashdon'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-4.1 Thinking specifies input context (256,000 tokens). Only Grok-4.1 Thinking specifies output context (8,000 tokens).

xAI
Grok-4.1 Thinking
Input256,000 tokens
Output8,000 tokens
Xiaomi
MiMo-V2.6-Flash
Input- tokens
Output- tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok-4.1 Thinking and MiMo-V2.6-Flash support multimodal inputs.

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

Grok-4.1 Thinking

Text
Images
Audio
Video

MiMo-V2.6-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4.1 Thinking is licensed under a proprietary license, while MiMo-V2.6-Flash uses MIT.

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

Grok-4.1 Thinking

Proprietary

Closed source

MiMo-V2.6-Flash

MIT

Open weights

Release Timeline

When each model was launched

Grok-4.1 Thinking was released on 2025-11-17, while MiMo-V2.6-Flash was released on 2026-09-22.

MiMo-V2.6-Flash is 10 months newer than Grok-4.1 Thinking.

Grok-4.1 Thinking

Nov 17, 2025

10 months ago

MiMo-V2.6-Flash

Sep 22, 2026

-1 days ago

10mo 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-4.1 Thinking and MiMo-V2.6-Flash side-by-side, then vote on the output you prefer.

Grok-4.1 Thinking
✓ Preferred
MiMo-V2.6-Flash
Open in Playground

FAQ

Common questions about Grok-4.1 Thinking vs MiMo-V2.6-Flash.

Which is better, Grok-4.1 Thinking or MiMo-V2.6-Flash?

MiMo-V2.6-Flash leads the LLM Stats Score 45.7 to 16.0. Grok-4.1 Thinking is made by xAI and MiMo-V2.6-Flash 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-4.1 Thinking compare to MiMo-V2.6-Flash in benchmarks?

Grok-4.1 Thinking scores Creative Writing v3: 86.1%, WMDP: 84.0%, EQ-Bench: 79.3%, ProtocolQA: 79.0%, LMArena Text Leaderboard: 74.2%. MiMo-V2.6-Flash scores CyberGym: 95.1%, Terminal-Bench 2.1: 87.6%, OSWorld-Verified: 80.8%, MiMo Cyber Bench: 77.2%, Toolathlon-Verified: 73.6%.

What are the context window sizes for Grok-4.1 Thinking and MiMo-V2.6-Flash?

Grok-4.1 Thinking supports 256K tokens and MiMo-V2.6-Flash 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-4.1 Thinking and MiMo-V2.6-Flash?

Key differences include LLM Stats Score (16.0 vs 45.7), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4.1 Thinking and MiMo-V2.6-Flash?

Grok-4.1 Thinking is developed by xAI and MiMo-V2.6-Flash is developed by Xiaomi.

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