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Gemini 1.5 Pro vs Shieldstral 1.0 (3B)

Gemini 1.5 Pro and Shieldstral 1.0 (3B) are closely matched at 12.0 and -2.4 on the LLM Stats Score.

Google · Mistral AI · Updated for 2026

Which is better?

Gemini 1.5 Pro and Shieldstral 1.0 (3B) are closely matched on the overall LLM Stats Score at 12.0 and -2.4.

In the 1 individual benchmarks reported for both models, Gemini 1.5 Pro wins 1; this is a narrower head-to-head signal than the composite indexes.

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

Choose Gemini 1.5 Pro

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

Choose Shieldstral 1.0 (3B)

  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 1.5 Pro
Google
Shieldstral 1.0 (3B)
Mistral AI
Core performance indexes
LLM Stats Score
12.0
#255
-2.4
#338
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$2.50 / M
— / M
Output price
$10.00 / M
— / M
Context window
2,097,152
—

Individual benchmarks

23 reported for Gemini 1.5 Pro · 1 for Shieldstral 1.0 (3B)

1 shared

Gemini 1.5 Pro outperforms in 1 benchmarks (XSTest), while Shieldstral 1.0 (3B) is better at 0 benchmarks.

Gemini 1.5 Pro significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Gemini 1.5 Pro specifies input context (2,097,152 tokens). Only Gemini 1.5 Pro specifies output context (8,192 tokens).

Google
Gemini 1.5 Pro
Input2,097,152 tokens
Output8,192 tokens
Mistral AI
Shieldstral 1.0 (3B)
Input- tokens
Output- tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 1.5 Pro and Shieldstral 1.0 (3B) support multimodal inputs.

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

Gemini 1.5 Pro

Text
Images
Audio
Video

Shieldstral 1.0 (3B)

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 1.5 Pro is licensed under a proprietary license, while Shieldstral 1.0 (3B) uses Apache 2.0.

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

Gemini 1.5 Pro

Proprietary

Closed source

Shieldstral 1.0 (3B)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 1.5 Pro was released on 2024-05-01, while Shieldstral 1.0 (3B) was released on 2026-08-04.

Shieldstral 1.0 (3B) is 28 months newer than Gemini 1.5 Pro.

Gemini 1.5 Pro

May 1, 2024

2.4 years ago

Shieldstral 1.0 (3B)

Aug 4, 2026

1 months ago

2.3yr newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Pro has a documented knowledge cutoff of 2023-11-01, while Shieldstral 1.0 (3B)'s cutoff date is not specified.

We can confirm Gemini 1.5 Pro's training data extends to 2023-11-01, but cannot make a direct comparison without Shieldstral 1.0 (3B)'s cutoff date.

Gemini 1.5 Pro

Nov 2023

Shieldstral 1.0 (3B)

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 1.5 Pro and Shieldstral 1.0 (3B) side-by-side, then vote on the output you prefer.

Gemini 1.5 Pro
✓ Preferred
Shieldstral 1.0 (3B)
Open in Playground

FAQ

Common questions about Gemini 1.5 Pro vs Shieldstral 1.0 (3B).

Which is better, Gemini 1.5 Pro or Shieldstral 1.0 (3B)?

Gemini 1.5 Pro and Shieldstral 1.0 (3B) are closely matched on the LLM Stats Score at 12.0 and -2.4. Gemini 1.5 Pro is made by Google and Shieldstral 1.0 (3B) is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 1.5 Pro compare to Shieldstral 1.0 (3B) in benchmarks?

Gemini 1.5 Pro scores XSTest: 98.8%, FLEURS: 93.3%, HellaSwag: 93.3%, GSM8k: 90.8%, BIG-Bench Hard: 89.2%. Shieldstral 1.0 (3B) scores XSTest: 94.6%.

What are the context window sizes for Gemini 1.5 Pro and Shieldstral 1.0 (3B)?

Gemini 1.5 Pro supports 2.1M tokens and Shieldstral 1.0 (3B) 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 Gemini 1.5 Pro and Shieldstral 1.0 (3B)?

Key differences include LLM Stats Score (12.0 vs -2.4), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 1.5 Pro and Shieldstral 1.0 (3B)?

Gemini 1.5 Pro is developed by Google and Shieldstral 1.0 (3B) is developed by Mistral AI.

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