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Grok 4.6 vs Mistral Large 3 (675B Instruct 2512)

Comparing Grok 4.6 and Mistral Large 3 (675B Instruct 2512) across benchmarks, pricing, and capabilities.

xAI · Mistral AI · Updated for 2026

Which is better?

Grok 4.6 and Mistral Large 3 (675B Instruct 2512) trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Mistral Large 3 (675B Instruct 2512) is roughly 4.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok 4.6 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Grok 4.6

  • you process long inputs — it offers a 500,000 token context window
  • you want the most recent training data — it shipped Aug 2026

Choose Mistral Large 3 (675B Instruct 2512)

  • cost matters — it's about 4.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok 4.6
xAI
Mistral Large 3 (675B Instruct 2512)
Mistral AI
Benchmark wins
—
—
Input price
$2.00 / M
$0.50 / M
Output price
$6.00 / M
$1.50 / M
Context window
500,000
262,100
Released
Aug 2026
Dec 2025
License
Proprietary
Apache 2.0

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok 4.6 and Mistral Large 3 (675B Instruct 2512)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

Mistral Large 3 (675B Instruct 2512) costs less

For input processing, Grok 4.6 ($2.00/1M tokens) is 4.0x more expensive than Mistral Large 3 (675B Instruct 2512) ($0.50/1M tokens).

For output processing, Grok 4.6 ($6.00/1M tokens) is 4.0x more expensive than Mistral Large 3 (675B Instruct 2512) ($1.50/1M tokens).

In conclusion, Grok 4.6 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
Mon Aug 24 2026 • llm-stats.com
xAI
Grok 4.6
Input tokens$2.00
Output tokens$6.00
Best providerxAI
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

Grok 4.6 accepts 500,000 input tokens compared to Mistral Large 3 (675B Instruct 2512)'s 262,100 tokens. Only Mistral Large 3 (675B Instruct 2512) specifies output context (262,100 tokens).

xAI
Grok 4.6
Input500,000 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 Grok 4.6 and Mistral Large 3 (675B Instruct 2512) support multimodal inputs.

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

Grok 4.6

Text
Images
Audio
Video

Mistral Large 3 (675B Instruct 2512)

Text
Images
Audio
Video

License

Usage and distribution terms

Grok 4.6 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.

Grok 4.6

Proprietary

Closed source

Mistral Large 3 (675B Instruct 2512)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok 4.6 was released on 2026-08-12, while Mistral Large 3 (675B Instruct 2512) was released on 2025-12-04.

Grok 4.6 is 8 months newer than Mistral Large 3 (675B Instruct 2512).

Grok 4.6

Aug 12, 2026

1 weeks ago

8mo newer
Mistral Large 3 (675B Instruct 2512)

Dec 4, 2025

8 months ago

Knowledge Cutoff

When training data ends

Grok 4.6 has a documented knowledge cutoff of 2026-02-01, while Mistral Large 3 (675B Instruct 2512)'s cutoff date is not specified.

We can confirm Grok 4.6's training data extends to 2026-02-01, but cannot make a direct comparison without Mistral Large 3 (675B Instruct 2512)'s cutoff date.

Grok 4.6

Feb 2026

Mistral Large 3 (675B Instruct 2512)

—

Provider Availability

Grok 4.6 is available from xAI. Mistral Large 3 (675B Instruct 2512) is available from Mistral AI.

Grok 4.6

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M

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→

Judge for yourself.

Run your own prompts against Grok 4.6 and Mistral Large 3 (675B Instruct 2512) side-by-side, then vote on the output you prefer.

Grok 4.6
✓ Preferred
Mistral Large 3 (675B Instruct 2512)
Open in Playground

FAQ

Common questions about Grok 4.6 vs Mistral Large 3 (675B Instruct 2512).

Which is better, Grok 4.6 or Mistral Large 3 (675B Instruct 2512)?

Grok 4.6 (xAI) and Mistral Large 3 (675B Instruct 2512) (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 4.6 compare to Mistral Large 3 (675B Instruct 2512) in benchmarks?

Grok 4.6 scores CursorBench v3.2: 69.9%, DeepSWE 1.1: 65.9%, FrontierCode: 61.3%, AA-Index: 61.0%, GDPval-AA: 58.4%. 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 Grok 4.6 cheaper than Mistral Large 3 (675B Instruct 2512)?

Mistral Large 3 (675B Instruct 2512) is 4.0x cheaper for input tokens. Grok 4.6 costs $2.00/M input and $6.00/M output via xai. Mistral Large 3 (675B Instruct 2512) costs $0.50/M input and $1.50/M output via mistral.

What are the context window sizes for Grok 4.6 and Mistral Large 3 (675B Instruct 2512)?

Grok 4.6 supports 500K 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 Grok 4.6 and Mistral Large 3 (675B Instruct 2512)?

Key differences include context window (500K vs 262K), input pricing ($2.00 vs $0.50/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.6 and Mistral Large 3 (675B Instruct 2512)?

Grok 4.6 is developed by xAI and Mistral Large 3 (675B Instruct 2512) is developed by Mistral AI.

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