Model Comparison

Gemini 3.1 Pro vs Min istral 3 (3B Reasoning 2512)Which is better in 2026?

Gemini 3.1 Pro significantly outperforms across most benchmarks. Min istral 3 (3B Reasoning 2512) is 56.3x cheaper per token.

Verdict: Gemini 3.1 Pro vs Min istral 3 (3B Reasoning 2512) — which is better?

Gemini 3.1 Pro (by Google) and Min istral 3 (3B Reasoning 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.

Gemini 3.1 Pro outperforms in 1 benchmarks (GPQA), while Min istral 3 (3B Reasoning 2512) is better at 0 benchmarks. Gemini 3.1 Pro significantly outperforms across most benchmarks.

On price, Min istral 3 (3B Reasoning 2512) is roughly 56.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.1 Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 3.1 Pro if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Feb 2026

Choose Min istral 3 (3B Reasoning 2512) if…

  • cost matters — it's about 56.3x cheaper per token
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 3.1 Pro outperforms in 1 benchmarks (GPQA), while Min istral 3 (3B Reasoning 2512) is better at 0 benchmarks.

Gemini 3.1 Pro significantly outperforms across most benchmarks.

Sat Jun 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Min istral 3 (3B Reasoning 2512) costs less

For input processing, Gemini 3.1 Pro ($2.50/1M tokens) is 25.0x more expensive than Min istral 3 (3B Reasoning 2512) ($0.10/1M tokens).

For output processing, Gemini 3.1 Pro ($15.00/1M tokens) is 150.0x more expensive than Min istral 3 (3B Reasoning 2512) ($0.10/1M tokens).

In conclusion, Gemini 3.1 Pro is more expensive than Min istral 3 (3B Reasoning 2512).*

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

Lowest available price from all providers
Sat Jun 13 2026 • llm-stats.com
Google
Gemini 3.1 Pro
Input tokens$2.50
Output tokens$15.00
Best providerGoogle
Mistral AI
Min istral 3 (3B Reasoning 2512)
Input tokens$0.10
Output tokens$0.10
Best providerMistral
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.1 Pro accepts 1,048,576 input tokens compared to Min istral 3 (3B Reasoning 2512)'s 131,100 tokens. Min istral 3 (3B Reasoning 2512) can generate longer responses up to 131,100 tokens, while Gemini 3.1 Pro is limited to 65,536 tokens.

Google
Gemini 3.1 Pro
Input1,048,576 tokens
Output65,536 tokens
Mistral AI
Min istral 3 (3B Reasoning 2512)
Input131,100 tokens
Output131,100 tokens
Sat Jun 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3.1 Pro and Min istral 3 (3B Reasoning 2512) support multimodal inputs.

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

Gemini 3.1 Pro

Text
Images
Audio
Video

Min istral 3 (3B Reasoning 2512)

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.1 Pro is licensed under a proprietary license, while Min istral 3 (3B Reasoning 2512) uses Apache 2.0.

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

Gemini 3.1 Pro

Proprietary

Closed source

Min istral 3 (3B Reasoning 2512)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 3.1 Pro was released on 2026-02-19, while Min istral 3 (3B Reasoning 2512) was released on 2025-12-04.

Gemini 3.1 Pro is 3 months newer than Min istral 3 (3B Reasoning 2512).

Gemini 3.1 Pro

Feb 19, 2026

3 months ago

2mo newer
Min istral 3 (3B Reasoning 2512)

Dec 4, 2025

6 months ago

Knowledge Cutoff

When training data ends

Gemini 3.1 Pro has a documented knowledge cutoff of 2025-01-31, while Min istral 3 (3B Reasoning 2512)'s cutoff date is not specified.

We can confirm Gemini 3.1 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Min istral 3 (3B Reasoning 2512)'s cutoff date.

Gemini 3.1 Pro

Jan 2025

Min istral 3 (3B Reasoning 2512)

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Provider Availability

Gemini 3.1 Pro is available from Google. Min istral 3 (3B Reasoning 2512) is available from Mistral AI.

Gemini 3.1 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

Min istral 3 (3B Reasoning 2512)

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.10/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,048,576 tokens)
Higher GPQA score (94.3% vs 53.4%)
Mistral AI
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3.1 Pro
Mistral AI
Min istral 3 (3B Reasoning 2512)

FAQ

Common questions about Gemini 3.1 Pro vs Min istral 3 (3B Reasoning 2512).

Which is better, Gemini 3.1 Pro or Min istral 3 (3B Reasoning 2512)?

Gemini 3.1 Pro significantly outperforms across most benchmarks. Gemini 3.1 Pro is made by Google and Min istral 3 (3B Reasoning 2512) is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3.1 Pro compare to Min istral 3 (3B Reasoning 2512) in benchmarks?

Gemini 3.1 Pro scores t2-bench: 99.3%, LiveCodeBench Pro: 96.2%, GPQA: 94.3%, MMMLU: 92.6%, BrowseComp: 85.9%. Min istral 3 (3B Reasoning 2512) scores AIME 2024: 77.5%, AIME 2025: 72.1%, LiveCodeBench: 54.8%, GPQA: 53.4%.

Is Gemini 3.1 Pro cheaper than Min istral 3 (3B Reasoning 2512)?

Min istral 3 (3B Reasoning 2512) is 25.0x cheaper for input tokens. Gemini 3.1 Pro costs $2.50/M input and $15.00/M output via google. Min istral 3 (3B Reasoning 2512) costs $0.10/M input and $0.10/M output via mistral.

What are the context window sizes for Gemini 3.1 Pro and Min istral 3 (3B Reasoning 2512)?

Gemini 3.1 Pro supports 1.0M tokens and Min istral 3 (3B Reasoning 2512) supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.1 Pro and Min istral 3 (3B Reasoning 2512)?

Key differences include context window (1.0M vs 131K), input pricing ($2.50 vs $0.10/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.1 Pro and Min istral 3 (3B Reasoning 2512)?

Gemini 3.1 Pro is developed by Google and Min istral 3 (3B Reasoning 2512) is developed by Mistral AI.

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