Model Comparison

Grok 4.3 vs MiMo-V2-ProWhich is better in 2026?

MiMo-V2-Pro significantly outperforms across most benchmarks. MiMo-V2-Pro is 1.0x cheaper per token.

Verdict: Grok 4.3 vs MiMo-V2-Pro — which is better?

Grok 4.3 (by xAI) and MiMo-V2-Pro (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 4.3 outperforms in 0 benchmarks, while MiMo-V2-Pro is better at 1 benchmark (GDPval-AA). MiMo-V2-Pro significantly outperforms across most benchmarks.

Choose Grok 4.3 if…

  • you want the most recent training data — it shipped May 2026

Choose MiMo-V2-Pro if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Grok 4.3 outperforms in 0 benchmarks, while MiMo-V2-Pro is better at 1 benchmark (GDPval-AA).

MiMo-V2-Pro significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

MiMo-V2-Pro costs less

For input processing, Grok 4.3 ($1.25/1M tokens) is 1.3x more expensive than MiMo-V2-Pro ($1.00/1M tokens).

For output processing, Grok 4.3 ($2.50/1M tokens) is 1.2x cheaper than MiMo-V2-Pro ($3.00/1M tokens).

In conclusion, Grok 4.3 is more expensive than MiMo-V2-Pro.*

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

Lowest available price from all providers
Fri Jul 17 2026 • llm-stats.com
xAI
Grok 4.3
Input tokens$1.25
Output tokens$2.50
Best providerxAI
Xiaomi
MiMo-V2-Pro
Input tokens$1.00
Output tokens$3.00
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 1,000,000 tokens. Only MiMo-V2-Pro specifies output context (16,384 tokens).

xAI
Grok 4.3
Input1,000,000 tokens
Output- tokens
Xiaomi
MiMo-V2-Pro
Input1,000,000 tokens
Output16,384 tokens
Fri Jul 17 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Grok 4.3

Proprietary

Closed source

MiMo-V2-Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Grok 4.3 was released on 2026-05-06, while MiMo-V2-Pro was released on 2026-03-18.

Grok 4.3 is 2 months newer than MiMo-V2-Pro.

Grok 4.3

May 6, 2026

2 months ago

1mo newer
MiMo-V2-Pro

Mar 18, 2026

4 months ago

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 4.3 is available from xAI. MiMo-V2-Pro is available from Xiaomi.

Grok 4.3

xai logo
xAI
Input Price:Input: $1.25/1MOutput Price:Output: $2.50/1M

MiMo-V2-Pro

xiaomi logo
Xiaomi
Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI
Less expensive output tokens
Xiaomi
Less expensive input tokens
Higher GDPval-AA score (47.5% vs 36.7%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok 4.3 and MiMo-V2-Pro side-by-side, then vote on the output you prefer.

Grok 4.3
✓ Preferred
MiMo-V2-Pro
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok 4.3
Xiaomi
MiMo-V2-Pro

FAQ

Common questions about Grok 4.3 vs MiMo-V2-Pro.

Which is better, Grok 4.3 or MiMo-V2-Pro?

MiMo-V2-Pro significantly outperforms across most benchmarks. Grok 4.3 is made by xAI and MiMo-V2-Pro is made by Xiaomi. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok 4.3 compare to MiMo-V2-Pro in benchmarks?

Grok 4.3 scores Finance Agent v2: 37.7%, GDPval-AA: 36.7%. MiMo-V2-Pro scores Tau2 Telecom: 96.8%, DeepSearchQA: 86.7%, PinchBench: 81.0%, SWE-Bench Verified: 78.0%, SWE-bench Multilingual: 71.7%.

Is Grok 4.3 cheaper than MiMo-V2-Pro?

MiMo-V2-Pro is 1.3x cheaper for input tokens. Grok 4.3 costs $1.25/M input and $2.50/M output via xai. MiMo-V2-Pro costs $1.00/M input and $3.00/M output via xiaomi.

What are the context window sizes for Grok 4.3 and MiMo-V2-Pro?

Grok 4.3 supports 1.0M tokens and MiMo-V2-Pro 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 4.3 and MiMo-V2-Pro?

Key differences include input pricing ($1.25 vs $1.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.3 and MiMo-V2-Pro?

Grok 4.3 is developed by xAI and MiMo-V2-Pro is developed by Xiaomi.

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