Model Comparison

Grok Code Fast 1 vs MiMo-V2-Flash

MiMo-V2-Flash significantly outperforms across most benchmarks. MiMo-V2-Flash is 3.5x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Grok Code Fast 1 outperforms in 0 benchmarks, while MiMo-V2-Flash is better at 1 benchmark (SWE-Bench Verified).

MiMo-V2-Flash significantly outperforms across most benchmarks.

Sun May 31 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 Code Fast 1 ($0.20/1M tokens) is 2.0x more expensive than MiMo-V2-Flash ($0.10/1M tokens).

For output processing, Grok Code Fast 1 ($1.50/1M tokens) is 5.0x more expensive than MiMo-V2-Flash ($0.30/1M tokens).

In conclusion, Grok Code Fast 1 is more expensive than MiMo-V2-Flash.*

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

Lowest available price from all providers
Sun May 31 2026 • llm-stats.com
xAI
Grok Code Fast 1
Input tokens$0.20
Output tokens$1.50
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

Both models have the same input context window of 256,000 tokens. MiMo-V2-Flash can generate longer responses up to 16,384 tokens, while Grok Code Fast 1 is limited to 10,000 tokens.

xAI
Grok Code Fast 1
Input256,000 tokens
Output10,000 tokens
Xiaomi
MiMo-V2-Flash
Input256,000 tokens
Output16,384 tokens
Sun May 31 2026 • llm-stats.com

License

Usage and distribution terms

Grok Code Fast 1 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 Code Fast 1

Proprietary

Closed source

MiMo-V2-Flash

MIT

Open weights

Release Timeline

When each model was launched

Grok Code Fast 1 was released on 2025-08-28, while MiMo-V2-Flash was released on 2025-12-16.

MiMo-V2-Flash is 4 months newer than Grok Code Fast 1.

Grok Code Fast 1

Aug 28, 2025

9 months ago

MiMo-V2-Flash

Dec 16, 2025

5 months ago

3mo 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 Code Fast 1 is available from xAI. MiMo-V2-Flash is available from Xiaomi.

Grok Code Fast 1

xai logo
xAI
Input Price:Input: $0.20/1MOutput Price:Output: $1.50/1M

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

No standout differentiators in the data we have for this pair.

Xiaomi
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher SWE-Bench Verified score (73.4% vs 70.8%)

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok Code Fast 1
Xiaomi
MiMo-V2-Flash

FAQ

Common questions about Grok Code Fast 1 vs MiMo-V2-Flash.

Which is better, Grok Code Fast 1 or MiMo-V2-Flash?

MiMo-V2-Flash significantly outperforms across most benchmarks. Grok Code Fast 1 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 Code Fast 1 compare to MiMo-V2-Flash in benchmarks?

Grok Code Fast 1 scores SWE-Bench Verified: 70.8%. 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 Code Fast 1 cheaper than MiMo-V2-Flash?

MiMo-V2-Flash is 2.0x cheaper for input tokens. Grok Code Fast 1 costs $0.20/M input and $1.50/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 Code Fast 1 and MiMo-V2-Flash?

Grok Code Fast 1 supports 256K 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 Code Fast 1 and MiMo-V2-Flash?

Key differences include input pricing ($0.20 vs $0.10/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok Code Fast 1 and MiMo-V2-Flash?

Grok Code Fast 1 is developed by xAI and MiMo-V2-Flash is developed by Xiaomi.