Model Comparison

Gemini 3 Flash vs Mistral Large 3 (675B Instruct 2512)Which is better in 2026?

Gemini 3 Flash significantly outperforms across most benchmarks. Mistral Large 3 (675B Instruct 2512) is 1.5x cheaper per token.

Verdict: Gemini 3 Flash vs Mistral Large 3 (675B Instruct 2512) — which is better?

Gemini 3 Flash (by Google) and Mistral Large 3 (675B Instruct 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 Flash outperforms in 3 benchmarks (GPQA, MMMLU, SimpleQA), while Mistral Large 3 (675B Instruct 2512) is better at 0 benchmarks. Gemini 3 Flash significantly outperforms across most benchmarks.

On price, Mistral Large 3 (675B Instruct 2512) is roughly 1.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3 Flash also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 3 Flash if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Dec 2025

Choose Mistral Large 3 (675B Instruct 2512) if…

  • cost matters — it's about 1.5x 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

3 benchmarks

Gemini 3 Flash outperforms in 3 benchmarks (GPQA, MMMLU, SimpleQA), while Mistral Large 3 (675B Instruct 2512) is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Mistral Large 3 (675B Instruct 2512) costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) costs the same as Mistral Large 3 (675B Instruct 2512) ($0.50/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 2.0x more expensive than Mistral Large 3 (675B Instruct 2512) ($1.50/1M tokens).

In conclusion, Gemini 3 Flash is more expensive than Mistral Large 3 (675B Instruct 2512).*

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

Lowest available price from all providers
Sun Jun 07 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Mistral AI
Mistral Large 3 (675B Instruct 2512)
Input tokens$0.50
Output tokens$1.50
Best providerMistral
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3 Flash accepts 1,000,000 input tokens compared to Mistral Large 3 (675B Instruct 2512)'s 262,100 tokens. Mistral Large 3 (675B Instruct 2512) can generate longer responses up to 262,100 tokens, while Gemini 3 Flash is limited to 65,536 tokens.

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Mistral AI
Mistral Large 3 (675B Instruct 2512)
Input262,100 tokens
Output262,100 tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and Mistral Large 3 (675B Instruct 2512) support multimodal inputs.

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

Gemini 3 Flash

Text
Images
Audio
Video

Mistral Large 3 (675B Instruct 2512)

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3 Flash is licensed under a proprietary license, while Mistral Large 3 (675B Instruct 2512) uses Apache 2.0.

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

Gemini 3 Flash

Proprietary

Closed source

Mistral Large 3 (675B Instruct 2512)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Mistral Large 3 (675B Instruct 2512) was released on 2025-12-04.

Gemini 3 Flash is 0 month newer than Mistral Large 3 (675B Instruct 2512).

Gemini 3 Flash

Dec 17, 2025

5 months ago

1w newer
Mistral Large 3 (675B Instruct 2512)

Dec 4, 2025

6 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while Mistral Large 3 (675B Instruct 2512)'s cutoff date is not specified.

We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without Mistral Large 3 (675B Instruct 2512)'s cutoff date.

Gemini 3 Flash

Jan 2025

Mistral Large 3 (675B Instruct 2512)

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Provider Availability

Gemini 3 Flash is available from Google. Mistral Large 3 (675B Instruct 2512) is available from Mistral AI.

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M

Mistral Large 3 (675B Instruct 2512)

mistral logo
Mistral
Input Price:Input: $0.50/1MOutput Price:Output: $1.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,000,000 tokens)
Higher GPQA score (90.4% vs 43.9%)
Higher MMMLU score (91.8% vs 85.5%)
Higher SimpleQA score (68.7% vs 23.8%)
Mistral AI
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
Mistral AI
Mistral Large 3 (675B Instruct 2512)

FAQ

Common questions about Gemini 3 Flash vs Mistral Large 3 (675B Instruct 2512).

Which is better, Gemini 3 Flash or Mistral Large 3 (675B Instruct 2512)?

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and Mistral Large 3 (675B Instruct 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 Flash compare to Mistral Large 3 (675B Instruct 2512) in benchmarks?

Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. Mistral Large 3 (675B Instruct 2512) scores MMMLU: 85.5%, AMC_2022_23: 52.0%, GPQA: 43.9%, LiveCodeBench: 34.4%, SimpleQA: 23.8%.

Is Gemini 3 Flash cheaper than Mistral Large 3 (675B Instruct 2512)?

Both models cost $0.50 per million input tokens.

What are the context window sizes for Gemini 3 Flash and Mistral Large 3 (675B Instruct 2512)?

Gemini 3 Flash supports 1.0M tokens and Mistral Large 3 (675B Instruct 2512) supports 262K 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 Flash and Mistral Large 3 (675B Instruct 2512)?

Key differences include context window (1.0M vs 262K), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Flash and Mistral Large 3 (675B Instruct 2512)?

Gemini 3 Flash is developed by Google and Mistral Large 3 (675B Instruct 2512) is developed by Mistral AI.

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