Model Comparison

Grok-1.5 vs Ministral 8B Instruct

Grok-1.5 shows notably better performance in the majority of benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Grok-1.5 outperforms in 2 benchmarks (HumanEval, MMLU), while Ministral 8B Instruct is better at 1 benchmark (MATH).

Grok-1.5 shows notably better performance in the majority of benchmarks.

Wed May 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Ministral 8B Instruct specifies input context (128,000 tokens). Only Ministral 8B Instruct specifies output context (128,000 tokens).

xAI
Grok-1.5
Input- tokens
Output- tokens
Mistral AI
Ministral 8B Instruct
Input128,000 tokens
Output128,000 tokens
Wed May 13 2026 • llm-stats.com

License

Usage and distribution terms

Grok-1.5 is licensed under a proprietary license, while Ministral 8B Instruct uses Mistral Research License.

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

Grok-1.5

Proprietary

Closed source

Ministral 8B Instruct

Mistral Research License

Open weights

Release Timeline

When each model was launched

Grok-1.5 was released on 2024-03-28, while Ministral 8B Instruct was released on 2024-10-16.

Ministral 8B Instruct is 7 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.1 years ago

Ministral 8B Instruct

Oct 16, 2024

1.6 years ago

6mo 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI
Higher HumanEval score (74.1% vs 34.8%)
Higher MMLU score (81.3% vs 65.0%)
Mistral AI
Larger context window (128,000 tokens)
Has open weights
Higher MATH score (54.5% vs 50.6%)

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-1.5
Mistral AI
Ministral 8B Instruct

FAQ

Common questions about Grok-1.5 vs Ministral 8B Instruct.

Which is better, Grok-1.5 or Ministral 8B Instruct?

Grok-1.5 shows notably better performance in the majority of benchmarks. Grok-1.5 is made by xAI and Ministral 8B Instruct is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok-1.5 compare to Ministral 8B Instruct in benchmarks?

Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%. Ministral 8B Instruct scores MT-Bench: 83.0%, Winogrande: 75.3%, ARC-C: 71.9%, Arena Hard: 70.9%, MBPP pass@1: 70.0%.

What are the context window sizes for Grok-1.5 and Ministral 8B Instruct?

Grok-1.5 supports an unknown number of tokens and Ministral 8B Instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-1.5 and Ministral 8B Instruct?

Key differences include licensing (Proprietary vs Mistral Research License). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-1.5 and Ministral 8B Instruct?

Grok-1.5 is developed by xAI and Ministral 8B Instruct is developed by Mistral AI.