Model Comparison

Grok-3 Mini vs MiMo-V2-FlashWhich is better in 2026?

Both models are evenly matched across the benchmarks. MiMo-V2-Flash is 2.3x cheaper per token.

Verdict: Grok-3 Mini vs MiMo-V2-Flash — which is better?

Grok-3 Mini (by xAI) and MiMo-V2-Flash (by Xiaomi) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

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.

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.

Choose Grok-3 Mini if…

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

Choose MiMo-V2-Flash if…

  • 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

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

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.

Tue Aug 04 2026 • llm-stats.com

Arena Performance

Human preference votes

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
Tue Aug 04 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
Tue Aug 04 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

1.5 years ago

MiMo-V2-Flash

Dec 16, 2025

7 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→

Key Takeaways

xAI
Supports multimodal inputs
Higher GPQA score (84.0% vs 83.7%)
Xiaomi
Larger context window (256,000 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher AIME 2025 score (94.1% vs 90.8%)
xAIGrok-3 Mini
XiaomiMiMo-V2-Flash
Compare in Playground

Detailed Comparison

Interactive Arena

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
AI Model Comparison Table
Feature
xAI
Grok-3 Mini
Xiaomi
MiMo-V2-Flash

FAQ

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

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

Both models are evenly matched across the benchmarks. 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 benchmark scores, pricing, and capabilities 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 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.

Related comparisons