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Grok-4.1 Fast Reasoning vs Mistral Small 3.2 24B Instruct

Comparing Grok-4.1 Fast Reasoning and Mistral Small 3.2 24B Instruct across benchmarks, pricing, and capabilities.

xAI · Mistral AI · Updated for 2026

Which is better?

Grok-4.1 Fast Reasoning and Mistral Small 3.2 24B Instruct trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Mistral Small 3.2 24B Instruct is roughly 2.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok-4.1 Fast Reasoning also accepts a larger context window (2,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-4.1 Fast Reasoning

  • you process long inputs — it offers a 2,000,000 token context window
  • you want the most recent training data — it shipped Nov 2025

Choose Mistral Small 3.2 24B Instruct

  • cost matters — it's about 2.6x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok-4.1 Fast Reasoning
xAI
Mistral Small 3.2 24B Instruct
Mistral AI
Benchmark wins
—
—
Input price
$0.20 / M
$0.07 / M
Output price
$0.50 / M
$0.20 / M
Context window
2,000,000
128,000

Individual benchmarks

0 reported for Grok-4.1 Fast Reasoning · 15 for Mistral Small 3.2 24B Instruct

No common benchmarks found

Grok-4.1 Fast Reasoning and Mistral Small 3.2 24B Instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Mistral Small 3.2 24B Instruct costs less

For input processing, Grok-4.1 Fast Reasoning ($0.20/1M tokens) is 2.7x more expensive than Mistral Small 3.2 24B Instruct ($0.07/1M tokens).

For output processing, Grok-4.1 Fast Reasoning ($0.50/1M tokens) is 2.5x more expensive than Mistral Small 3.2 24B Instruct ($0.20/1M tokens).

In conclusion, Grok-4.1 Fast Reasoning is more expensive than Mistral Small 3.2 24B Instruct.*

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

Lowest available price from all providers
Wed Oct 21 2026 • llm-stats.com
xAI
Grok-4.1 Fast Reasoning
Input tokens$0.20
Output tokens$0.50
Best providerxAI
Mistral AI
Mistral Small 3.2 24B Instruct
Input tokens$0.07
Output tokens$0.20
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Grok-4.1 Fast Reasoning accepts 2,000,000 input tokens compared to Mistral Small 3.2 24B Instruct's 128,000 tokens. Mistral Small 3.2 24B Instruct can generate longer responses up to 128,000 tokens, while Grok-4.1 Fast Reasoning is limited to 30,000 tokens.

xAI
Grok-4.1 Fast Reasoning
Input2,000,000 tokens
Output30,000 tokens
Mistral AI
Mistral Small 3.2 24B Instruct
Input128,000 tokens
Output128,000 tokens
Wed Oct 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok-4.1 Fast Reasoning and Mistral Small 3.2 24B Instruct support multimodal inputs.

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

Grok-4.1 Fast Reasoning

Text
Images
Audio
Video

Mistral Small 3.2 24B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-4.1 Fast Reasoning is licensed under a proprietary license, while Mistral Small 3.2 24B Instruct uses Apache 2.0.

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

Grok-4.1 Fast Reasoning

Proprietary

Closed source

Mistral Small 3.2 24B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok-4.1 Fast Reasoning was released on 2025-11-17, while Mistral Small 3.2 24B Instruct was released on 2025-06-20.

Grok-4.1 Fast Reasoning is 5 months newer than Mistral Small 3.2 24B Instruct.

Grok-4.1 Fast Reasoning

Nov 17, 2025

11 months ago

5mo newer
Mistral Small 3.2 24B Instruct

Jun 20, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Mistral Small 3.2 24B Instruct has a documented knowledge cutoff of 2023-10-01, while Grok-4.1 Fast Reasoning's cutoff date is not specified.

We can confirm Mistral Small 3.2 24B Instruct's training data extends to 2023-10-01, but cannot make a direct comparison without Grok-4.1 Fast Reasoning's cutoff date.

Grok-4.1 Fast Reasoning

—

Mistral Small 3.2 24B Instruct

Oct 2023

Provider Availability

Grok-4.1 Fast Reasoning is available from xAI. Mistral Small 3.2 24B Instruct is available from DeepInfra.

Grok-4.1 Fast Reasoning

xai logo
xAI
Input Price:Input: $0.20/1MOutput Price:Output: $0.50/1M

Mistral Small 3.2 24B Instruct

deepinfra logo
Deepinfra
Input Price:Input: $0.07/1MOutput Price:Output: $0.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok-4.1 Fast Reasoning and Mistral Small 3.2 24B Instruct side-by-side, then vote on the output you prefer.

Grok-4.1 Fast Reasoning
✓ Preferred
Mistral Small 3.2 24B Instruct
Open in Playground

FAQ

Common questions about Grok-4.1 Fast Reasoning vs Mistral Small 3.2 24B Instruct.

Which is better, Grok-4.1 Fast Reasoning or Mistral Small 3.2 24B Instruct?

Grok-4.1 Fast Reasoning (xAI) and Mistral Small 3.2 24B Instruct (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-4.1 Fast Reasoning compare to Mistral Small 3.2 24B Instruct in benchmarks?

Mistral Small 3.2 24B Instruct scores DocVQA: 94.9%, AI2D: 92.9%, HumanEval Plus: 92.9%, ChartQA: 87.4%, IF: 84.8%.

Is Grok-4.1 Fast Reasoning cheaper than Mistral Small 3.2 24B Instruct?

Mistral Small 3.2 24B Instruct is 2.7x cheaper for input tokens. Grok-4.1 Fast Reasoning costs $0.20/M input and $0.50/M output via xai. Mistral Small 3.2 24B Instruct costs $0.07/M input and $0.20/M output via deepinfra.

What are the context window sizes for Grok-4.1 Fast Reasoning and Mistral Small 3.2 24B Instruct?

Grok-4.1 Fast Reasoning supports 2.0M tokens and Mistral Small 3.2 24B 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-4.1 Fast Reasoning and Mistral Small 3.2 24B Instruct?

Key differences include context window (2.0M vs 128K), input pricing ($0.20 vs $0.07/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4.1 Fast Reasoning and Mistral Small 3.2 24B Instruct?

Grok-4.1 Fast Reasoning is developed by xAI and Mistral Small 3.2 24B Instruct is developed by Mistral AI.

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