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Grok-1.5V vs MiMo-V2.6-Flash

MiMo-V2.6-Flash leads the LLM Stats Score 45.6 to -0.8.

xAI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Flash leads the overall LLM Stats Score 45.6 to -0.8, ranking #29 overall.

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

Choose Grok-1.5V

  • you are already invested in the xAI ecosystem

Choose MiMo-V2.6-Flash

  • overall performance matters — it scores 45.6 and ranks #29 on LLM Stats
  • your work emphasizes reasoning — 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.

Grok-1.5V
xAI
MiMo-V2.6-Flash
Xiaomi
Core performance indexes
LLM Stats Score
-0.8
#335
45.6
#29
Reasoning
-0.1
#322
42.5
#45
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.14 / M
Output price
— / M
$0.28 / M
Context window
—
1,048,576

Individual benchmarks

7 reported for Grok-1.5V · 16 for MiMo-V2.6-Flash

No common benchmarks found

Grok-1.5V 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 MiMo-V2.6-Flash specifies input context (1,048,576 tokens).

xAI
Grok-1.5V
Input- tokens
Output- tokens
Xiaomi
MiMo-V2.6-Flash
Input1,048,576 tokens
Output- tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok-1.5V and MiMo-V2.6-Flash support multimodal inputs.

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

Grok-1.5V

Text
Images
Audio
Video

MiMo-V2.6-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-1.5V 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-1.5V

Proprietary

Closed source

MiMo-V2.6-Flash

MIT

Open weights

Release Timeline

When each model was launched

Grok-1.5V was released on 2024-04-12, while MiMo-V2.6-Flash was released on 2026-09-22.

MiMo-V2.6-Flash is 30 months newer than Grok-1.5V.

Grok-1.5V

Apr 12, 2024

2.4 years ago

MiMo-V2.6-Flash

Sep 22, 2026

0 days ago

2.4yr 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-1.5V and MiMo-V2.6-Flash side-by-side, then vote on the output you prefer.

Grok-1.5V
✓ Preferred
MiMo-V2.6-Flash
Open in Playground

FAQ

Common questions about Grok-1.5V vs MiMo-V2.6-Flash.

Which is better, Grok-1.5V or MiMo-V2.6-Flash?

MiMo-V2.6-Flash leads the LLM Stats Score 45.6 to -0.8. Grok-1.5V 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-1.5V compare to MiMo-V2.6-Flash in benchmarks?

Grok-1.5V scores AI2D: 88.3%, DocVQA: 85.6%, TextVQA: 78.1%, ChartQA: 76.1%, RealWorldQA: 68.7%. 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-1.5V and MiMo-V2.6-Flash?

Grok-1.5V supports an unknown number of tokens and MiMo-V2.6-Flash 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-1.5V and MiMo-V2.6-Flash?

Key differences include LLM Stats Score (-0.8 vs 45.6), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-1.5V and MiMo-V2.6-Flash?

Grok-1.5V is developed by xAI and MiMo-V2.6-Flash is developed by Xiaomi.

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