Model Comparison

Grok-1.5 vs Mistral SmallWhich is better in 2026?

Comparing Grok-1.5 and Mistral Small across benchmarks, pricing, and capabilities.

Verdict: Grok-1.5 vs Mistral Small — which is better?

Grok-1.5 (by xAI) and Mistral Small (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-1.5 if…

  • you are already invested in the xAI ecosystem

Choose Mistral Small if…

  • you want the most recent training data — it shipped Sep 2024
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok-1.5 and Mistral Smalldon'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 Mistral Small specifies input context (32,768 tokens). Only Mistral Small specifies output context (32,768 tokens).

xAI
Grok-1.5
Input- tokens
Output- tokens
Mistral AI
Mistral Small
Input32,768 tokens
Output32,768 tokens
Wed Jun 10 2026 • llm-stats.com

License

Usage and distribution terms

Grok-1.5 is licensed under a proprietary license, while Mistral Small 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

Mistral Small

Mistral Research License

Open weights

Release Timeline

When each model was launched

Grok-1.5 was released on 2024-03-28, while Mistral Small was released on 2024-09-17.

Mistral Small is 6 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.2 years ago

Mistral Small

Sep 17, 2024

1.7 years ago

5mo 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

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

Mistral AI
Larger context window (32,768 tokens)
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-1.5
Mistral AI
Mistral Small

FAQ

Common questions about Grok-1.5 vs Mistral Small.

Which is better, Grok-1.5 or Mistral Small?

Grok-1.5 (xAI) and Mistral Small (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-1.5 compare to Mistral Small in benchmarks?

Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%.

What are the context window sizes for Grok-1.5 and Mistral Small?

Grok-1.5 supports an unknown number of tokens and Mistral Small supports 33K 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 Mistral Small?

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 Mistral Small?

Grok-1.5 is developed by xAI and Mistral Small is developed by Mistral AI.

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