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Mistral Large 3 (675B Base) vs Mistral Large 3 (675B Instruct 2512)

Both models are evenly matched across the benchmarks.

Mistral AI · Mistral AI · Updated for 2026

Which is better?

Mistral Large 3 (675B Base) outperforms in 0 benchmarks, while Mistral Large 3 (675B Instruct 2512) is better at 0 benchmarks. Both models are evenly matched across the benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Mistral Large 3 (675B Base)

  • you are already invested in the Mistral AI ecosystem

Choose Mistral Large 3 (675B Instruct 2512)

  • you want the strongest raw capability — it leads on 5 of 5 shared benchmarks

At a glance

The differences that matter most.

Mistral Large 3 (675B Base)
Mistral AI
Mistral Large 3 (675B Instruct 2512)
Mistral AI
Benchmark wins
0 of 5
5 of 5
Input price
— / M
$0.50 / M
Output price
— / M
$1.50 / M
Context window
—
262,100
Released
Dec 2025
Dec 2025
License
Apache 2.0
Apache 2.0

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Mistral Large 3 (675B Base) outperforms in 0 benchmarks, while Mistral Large 3 (675B Instruct 2512) is better at 0 benchmarks.

Both models are evenly matched across the benchmarks.

Mon Aug 24 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Model Size

Parameter count comparison

0.0M diff

Mistral Large 3 (675B Instruct 2512) has 0.0B more parameters than Mistral Large 3 (675B Base), making it 0.0% larger.

Mistral AI
Mistral Large 3 (675B Base)
675.0Bparameters
Mistral AI
Mistral Large 3 (675B Instruct 2512)
675.0Bparameters
675.0B
Mistral Large 3 (675B Base)
675.0B
Mistral Large 3 (675B Instruct 2512)

Context Window

Maximum input and output token capacity

Only Mistral Large 3 (675B Instruct 2512) specifies input context (262,100 tokens). Only Mistral Large 3 (675B Instruct 2512) specifies output context (262,100 tokens).

Mistral AI
Mistral Large 3 (675B Base)
Input- tokens
Output- tokens
Mistral AI
Mistral Large 3 (675B Instruct 2512)
Input262,100 tokens
Output262,100 tokens
Mon Aug 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

Mistral Large 3 (675B Base)

Text
Images
Audio
Video

Mistral Large 3 (675B Instruct 2512)

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

Mistral Large 3 (675B Base)

Apache 2.0

Open weights

Mistral Large 3 (675B Instruct 2512)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Both models were released on 2025-12-04.

They likely represent similar generations of model development.

Mistral Large 3 (675B Base)

Dec 4, 2025

8 months ago

Mistral Large 3 (675B Instruct 2512)

Dec 4, 2025

8 months ago

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→

Judge for yourself.

Run your own prompts against Mistral Large 3 (675B Base) and Mistral Large 3 (675B Instruct 2512) side-by-side, then vote on the output you prefer.

Mistral Large 3 (675B Base)
✓ Preferred
Mistral Large 3 (675B Instruct 2512)
Open in Playground

FAQ

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

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

Both models are evenly matched across the benchmarks. Mistral Large 3 (675B Base) is made by Mistral AI 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 Mistral Large 3 (675B Base) compare to Mistral Large 3 (675B Instruct 2512) in benchmarks?

Mistral Large 3 (675B Base) scores MMMLU: 85.5%, AMC_2022_23: 52.0%, GPQA: 43.9%, LiveCodeBench: 34.4%, SimpleQA: 23.8%. Mistral Large 3 (675B Instruct 2512) scores MMMLU: 85.5%, AMC_2022_23: 52.0%, GPQA: 43.9%, LiveCodeBench: 34.4%, SimpleQA: 23.8%.

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

Mistral Large 3 (675B Base) supports an unknown number of 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.

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