The AI arena is free today

Open Superagent

Grok-2 vs MiMo-V2.6-Flash

MiMo-V2.6-Flash leads the LLM Stats Score 45.6 to 11.4. MiMo-V2.6-Flash is 22.9x cheaper per token.

xAI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Flash leads the overall LLM Stats Score 45.6 to 11.4, ranking #29 overall.

On price, MiMo-V2.6-Flash is roughly 22.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiMo-V2.6-Flash 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 LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-2

  • you want predictable pricing at $2.00/M input and $10.00/M output

Choose MiMo-V2.6-Flash

  • overall performance matters — it scores 45.6 and ranks #29 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • cost matters — it's about 22.9x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • 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
11.4
#261
45.6
#29
11.4
#258
42.5
#45
9.2
#177
36.7
#21
Cost, coverage & limits
Benchmark wins
Input price
$2.00 / M
$0.14 / M
Output price
$10.00 / M
$0.28 / M
Context window
128,000
1,048,576

Individual benchmarks

8 reported for Grok-2 · 16 for MiMo-V2.6-Flash

No common benchmarks found

Grok-2 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

Pricing Analysis

Price comparison per million tokens

MiMo-V2.6-Flash costs less

For input processing, Grok-2 ($2.00/1M tokens) is 14.3x more expensive than MiMo-V2.6-Flash ($0.14/1M tokens).

For output processing, Grok-2 ($10.00/1M tokens) is 35.7x more expensive than MiMo-V2.6-Flash ($0.28/1M tokens).

In conclusion, Grok-2 is more expensive than MiMo-V2.6-Flash.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
Best providerxAI
Xiaomi
MiMo-V2.6-Flash
Input tokens$0.14
Output tokens$0.28
Best providerXiaomi
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

MiMo-V2.6-Flash accepts 1,048,576 input tokens compared to Grok-2's 128,000 tokens. Only Grok-2 specifies output context (8,000 tokens).

xAI
Grok-2
Input128,000 tokens
Output8,000 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-2 and MiMo-V2.6-Flash support multimodal inputs.

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

Grok-2

Text
Images
Audio
Video

MiMo-V2.6-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-2 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-2

Proprietary

Closed source

MiMo-V2.6-Flash

MIT

Open weights

Release Timeline

When each model was launched

Grok-2 was released on 2024-08-13, while MiMo-V2.6-Flash was released on 2026-09-22.

MiMo-V2.6-Flash is 26 months newer than Grok-2.

Grok-2

Aug 13, 2024

2.1 years ago

MiMo-V2.6-Flash

Sep 22, 2026

0 days ago

2.1yr 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

Provider Availability

Grok-2 is available from xAI. MiMo-V2.6-Flash is available from Xiaomi.

Grok-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

MiMo-V2.6-Flash

xiaomi logo
Xiaomi
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M
* 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-2 and MiMo-V2.6-Flash side-by-side, then vote on the output you prefer.

Grok-2
✓ Preferred
MiMo-V2.6-Flash
Open in Playground

FAQ

Common questions about Grok-2 vs MiMo-V2.6-Flash.

Which is better, Grok-2 or MiMo-V2.6-Flash?

MiMo-V2.6-Flash leads the LLM Stats Score 45.6 to 11.4. Grok-2 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-2 compare to MiMo-V2.6-Flash in benchmarks?

Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%. 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%.

Is Grok-2 cheaper than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is 14.3x cheaper for input tokens. Grok-2 costs $2.00/M input and $10.00/M output via xai. MiMo-V2.6-Flash costs $0.14/M input and $0.28/M output via xiaomi.

What are the context window sizes for Grok-2 and MiMo-V2.6-Flash?

Grok-2 supports 128K 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-2 and MiMo-V2.6-Flash?

Key differences include LLM Stats Score (11.4 vs 45.6), context window (128K vs 1.0M), input pricing ($2.00 vs $0.14/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-2 and MiMo-V2.6-Flash?

Grok-2 is developed by xAI and MiMo-V2.6-Flash is developed by Xiaomi.