Model Comparison

Grok 4.5 vs Ministral 3 (8B Instruct 2512)Which is better in 2026?

Comparing Grok 4.5 and Ministral 3 (8B Instruct 2512) across benchmarks, pricing, and capabilities.

Verdict: Grok 4.5 vs Ministral 3 (8B Instruct 2512) — which is better?

Grok 4.5 (by xAI) and Ministral 3 (8B Instruct 2512) (by Mistral AI) 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.

Choose Grok 4.5 if…

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

Choose Ministral 3 (8B Instruct 2512) if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok 4.5 and Ministral 3 (8B Instruct 2512)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok 4.5 specifies input context (500,000 tokens).

xAI
Grok 4.5
Input500,000 tokens
Output- tokens
Mistral AI
Ministral 3 (8B Instruct 2512)
Input- tokens
Output- tokens
Sat Jul 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok 4.5 and Ministral 3 (8B Instruct 2512) support multimodal inputs.

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

Grok 4.5

Text
Images
Audio
Video

Ministral 3 (8B Instruct 2512)

Text
Images
Audio
Video

License

Usage and distribution terms

Grok 4.5 is licensed under a proprietary license, while Ministral 3 (8B Instruct 2512) uses Apache 2.0.

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

Grok 4.5

Proprietary

Closed source

Ministral 3 (8B Instruct 2512)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok 4.5 was released on 2026-07-16, while Ministral 3 (8B Instruct 2512) was released on 2025-12-04.

Grok 4.5 is 7 months newer than Ministral 3 (8B Instruct 2512).

Grok 4.5

Jul 16, 2026

1 weeks ago

7mo newer
Ministral 3 (8B Instruct 2512)

Dec 4, 2025

7 months ago

Knowledge Cutoff

When training data ends

Grok 4.5 has a documented knowledge cutoff of 2026-02-01, while Ministral 3 (8B Instruct 2512)'s cutoff date is not specified.

We can confirm Grok 4.5's training data extends to 2026-02-01, but cannot make a direct comparison without Ministral 3 (8B Instruct 2512)'s cutoff date.

Grok 4.5

Feb 2026

Ministral 3 (8B Instruct 2512)

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Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI
Larger context window (500,000 tokens)
Mistral AI
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok 4.5 and Ministral 3 (8B Instruct 2512) side-by-side, then vote on the output you prefer.

Grok 4.5
✓ Preferred
Ministral 3 (8B Instruct 2512)
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok 4.5
Mistral AI
Ministral 3 (8B Instruct 2512)

FAQ

Common questions about Grok 4.5 vs Ministral 3 (8B Instruct 2512).

Which is better, Grok 4.5 or Ministral 3 (8B Instruct 2512)?

Grok 4.5 (xAI) and Ministral 3 (8B Instruct 2512) (Mistral AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Grok 4.5 compare to Ministral 3 (8B Instruct 2512) in benchmarks?

Grok 4.5 scores GPQA: 93.0%, Terminal-Bench 2.1: 83.3%, Artificial Analysis Coding Agent Index v1.1: 76.0%, SWE-Bench Pro: 64.7%, AA-Omniscience Index: 63.0%. Ministral 3 (8B Instruct 2512) scores MATH: 87.6%, Wild Bench: 66.8%, Arena Hard: 50.9%, MM-MT-Bench: 8.1%.

What are the context window sizes for Grok 4.5 and Ministral 3 (8B Instruct 2512)?

Grok 4.5 supports 500K tokens and Ministral 3 (8B Instruct 2512) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok 4.5 and Ministral 3 (8B Instruct 2512)?

Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.5 and Ministral 3 (8B Instruct 2512)?

Grok 4.5 is developed by xAI and Ministral 3 (8B Instruct 2512) is developed by Mistral AI.

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