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Grok-3 Mini vs MiMo-V2-Flash

Grok-3 Mini and MiMo-V2-Flash are closely matched at 31.3 and 30.7 on the LLM Stats Score. MiMo-V2-Flash is 2.3x cheaper per token.

xAI · Xiaomi · Updated for 2026

Which is better?

Grok-3 Mini and MiMo-V2-Flash are closely matched on the overall LLM Stats Score at 31.3 and 30.7.

The models split the 2 individual benchmarks reported for both models evenly.

On price, MiMo-V2-Flash is roughly 2.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiMo-V2-Flash also accepts a larger context window (256,000 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-3 Mini

  • you want predictable pricing at $0.30/M input and $0.50/M output

Choose MiMo-V2-Flash

  • cost matters — it's about 2.3x cheaper per token
  • you process long inputs — it offers a 256,000 token context window
  • you want the most recent training data — it shipped Dec 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
31.3
#111
30.7
#117
30.9
#112
30.8
#113
18.7
#110
17.5
#118
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$0.30 / M
$0.10 / M
Output price
$0.50 / M
$0.30 / M
Context window
128,000
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Grok-3 Mini
MiMo-V2-Flash
28.3#94
29.4#85
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

4 reported for Grok-3 Mini · 15 for MiMo-V2-Flash

2 shared

Grok-3 Mini outperforms in 1 benchmarks (GPQA), while MiMo-V2-Flash is better at 1 benchmark (AIME 2025).

Both models are evenly matched across the benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiMo-V2-Flash costs less

For input processing, Grok-3 Mini ($0.30/1M tokens) is 3.0x more expensive than MiMo-V2-Flash ($0.10/1M tokens).

For output processing, Grok-3 Mini ($0.50/1M tokens) is 1.7x more expensive than MiMo-V2-Flash ($0.30/1M tokens).

In conclusion, Grok-3 Mini is more expensive than MiMo-V2-Flash.*

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

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
Xiaomi
MiMo-V2-Flash
Input tokens$0.10
Output tokens$0.30
Best providerXiaomi
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

MiMo-V2-Flash accepts 256,000 input tokens compared to Grok-3 Mini's 128,000 tokens. MiMo-V2-Flash can generate longer responses up to 16,384 tokens, while Grok-3 Mini is limited to 8,000 tokens.

xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Xiaomi
MiMo-V2-Flash
Input256,000 tokens
Output16,384 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-3 Mini supports multimodal inputs, whereas MiMo-V2-Flash does not.

Grok-3 Mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-3 Mini

Text
Images
Audio
Video

MiMo-V2-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-3 Mini is licensed under a proprietary license, while MiMo-V2-Flash uses MIT.

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

Grok-3 Mini

Proprietary

Closed source

MiMo-V2-Flash

MIT

Open weights

Release Timeline

When each model was launched

Grok-3 Mini was released on 2025-02-17, while MiMo-V2-Flash was released on 2025-12-16.

MiMo-V2-Flash is 10 months newer than Grok-3 Mini.

Grok-3 Mini

Feb 17, 2025

1.6 years ago

MiMo-V2-Flash

Dec 16, 2025

9 months ago

10mo newer

Knowledge Cutoff

When training data ends

Grok-3 Mini has a documented knowledge cutoff of 2024-11-17, while MiMo-V2-Flash's cutoff date is not specified.

We can confirm Grok-3 Mini's training data extends to 2024-11-17, but cannot make a direct comparison without MiMo-V2-Flash's cutoff date.

Grok-3 Mini

Nov 2024

MiMo-V2-Flash

Provider Availability

Grok-3 Mini is available from xAI. MiMo-V2-Flash is available from Xiaomi.

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M

MiMo-V2-Flash

xiaomi logo
Xiaomi
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M
* 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-3 Mini and MiMo-V2-Flash side-by-side, then vote on the output you prefer.

Grok-3 Mini
✓ Preferred
MiMo-V2-Flash
Open in Playground

FAQ

Common questions about Grok-3 Mini vs MiMo-V2-Flash.

Which is better, Grok-3 Mini or MiMo-V2-Flash?

Grok-3 Mini and MiMo-V2-Flash are closely matched on the LLM Stats Score at 31.3 and 30.7. Grok-3 Mini is made by xAI and MiMo-V2-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-3 Mini compare to MiMo-V2-Flash in benchmarks?

Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%. MiMo-V2-Flash scores AIME 2025: 94.1%, Arena-Hard v2: 86.2%, MMLU-Pro: 84.9%, HMMT 2025: 84.4%, GPQA: 83.7%.

Is Grok-3 Mini cheaper than MiMo-V2-Flash?

MiMo-V2-Flash is 3.0x cheaper for input tokens. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai. MiMo-V2-Flash costs $0.10/M input and $0.30/M output via xiaomi.

What are the context window sizes for Grok-3 Mini and MiMo-V2-Flash?

Grok-3 Mini supports 128K tokens and MiMo-V2-Flash supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-3 Mini and MiMo-V2-Flash?

Key differences include LLM Stats Score (31.3 vs 30.7), context window (128K vs 256K), input pricing ($0.30 vs $0.10/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-3 Mini and MiMo-V2-Flash?

Grok-3 Mini is developed by xAI and MiMo-V2-Flash is developed by Xiaomi.